INDEX.

PAGR PM.R;I

A Bit of Summer WVork. Burt G American Clhemical Society......32Witlder................... . 4 Anteric.sn Cidlers .... 1....I... 24

Ab)normlal Composition of Mtilk...10..i Aiiierictii Entomologi09cal SocietY....38IAboriginal Potterr, and Stolle I inpie. American Ethnologv ..... .....19

menits.' (1 bk emati).112 .AXieiietkin Jotilrtiti of Microscopy "'. .7Ab)originatl ReniaitI1I the\ilc yo tilt Amnet ktn NleleiAscain

Shtetitn1lotit River..........262 A\meric.1n NI et rol'IC3l SOCIety....52, 27't)Absolute Ilu\ isititlity, .) titi,1 of Atoms Amierican hlierosc;oplcal Sety31

mnd Molecutles. A. l, D ollwar... iSoi -Aniricut Mmnthly MicroscopicalAcademty of Natural Scitences, l111la .. 33,2 JIoutrnalt.17............. 6Academy (of Scitneies, St. Louts..19.. Aniericatn Museuim of Natuiral Ilisttry.A4alth0ci,s/is chwh'A/wra .........56 6i, 77. 223A Case ot DJiftu.e Mkyclitis," (Shaw). 235 American Neurological Association.. 74

Accuiracy in 'Ihlermiomiecers........202 Amierican Olive Oil...........24Acl(l Reaction of Animal TIissues after American -Scientific SOcieties...... 31

lDeath, Th'le Cauises Of......47, i88' Americaxn Society of Civil Engineers- 52Acorns and( their Ger-mination..19...i .\mevrtcan Society of Mecihanical E'ngi.

...............143 tivers......I..........164,Iktinit i,,nAs-my,if/ciutemltt ........ 08 A\mc ictn Sowie-ty of' Microscopitsts. 52,"Actinkisi (Lceds)...........112 7,70, l(u,K) lo 1, 225, 291, 27(, 271.

~~.lau:'p/u~~~~'s .t/..~~,S6 Airci .struss ic Sodei,v ofActotII Of l'etti.ingtig.tate uponl kotas. ..................... 3l7

siuti Cp'nt(le..... .. .....188 Atotoont1la, Alhuntittloidi, Iln kPeatyActiotn,'kThe, ofSunlight on & lass. kilOS. Water .............20, 21

GaIftild ..1...........I2, iSo Aninmotiia, Estimation of, in PotablTeAcuite Myelittis " (Weher) ....... 235 Water...............20, 21

Address to the Readers of SCItNet`. 321 A\mnio-lia, Quantitative Analysis of.... iSo.\dhiesion of tile 'Surttces of E.lectritied A\mlmoniuim Sulphtate as a let tilizer. 48

Metals..............8..S.\ Motlificatiuit of Ilertier's Process furAdttilt riti tits of (C't4fee.....I.... 7 tihe Valtitation of Coal "(Monroe) 1i2Atlttlterti-itoits of S,tttIOill..........17 in: / P,/1 .............. s6, 57Ails miemtent fiit' Sct-tict........ ltt lmet ......i.5

AMriWIl-I ttit oitt tIi 't ';i 8. . 11teb,/:' t--Io...7.... j

gricultur, I )parmet o . 7 Anlsi f w ncet aplso

Agricufltural Meteorology, Observatory lButter...............1T2of..1......... .. 67 Analysts of Water .........13, 20, 66

Agriculutire, On thie l)eficiencies of Mle- O\tav ii,O a Ne-w General Method Of. 280teorological Work in D)ata of Valtie naIikYlidi...............147itt).............167 .\it *\\ )par.tttis for P'huttographting Nat."

A\gricuilture, Slitotl of, utt an htirtrv, ttt:tI 1ii soryV Obijects itl It lIon.NeZ.Ll* ............ 3i 'i,tttII PO.,ititon (Gag9e) .......31

Air.l titi1iil thie 'Sptretgel, All Imptroved .l,ina b"%-a' .......i....... 27Miethod ot Oper aing tite......291 .\tttott, ottprYiv' SOI-Ie RCeent

Air,lrillit the...........77 Anuet ivani Pipers in.........322Alhert Medasl, tite, of the S-ociety of A\natonmv, i"lticepltalie, (otirihtutiots to 73

Arts ................25 1Anmomtv of Fxspress,iotll (itel).... 228Albutetici in tIle Utint, lilidecket's Mc- A\uatov'lv of tite TIonguie in Snakits atid

titotk of IDetect ing........307 tther Reptiles, andt in Ilirdts. C. S.Alcoliol Lamip, Temuperature of th N lutiot ..............234

Ilatute oft tilte.24.. ....... Ancientt Agricuilturail ImulItments ofAlcohoit Ic1.tjtli is, 'Iri istotimlitotn of, Sittit.\\ flitsn.NI.c\...i.s134titittiVittear........... .1A;.niciuttt Iitittivr, Anml,tlsi. of two Sait-

"Altiritlitits ini thte Sitinal CordI in i y. AI\it ihtclosttr" in -itit (lwis),. laJifuipi.....t.....it... 8B A New (oitr ItttIm ,()c ity (1 etlerls) 3321-41(aWhtn Discovered....... . 283 A Niw Freezinlg Nkicrotome"(1I aiies) i112

Altona Observatory............ 9 A New Locality for Amethyvst"Alutuiina, A New Supat f . 2 (Jefk-ris)...... .332...Aluminumii, Llectrified, Adhesive P'ower 'A Ness Locality for Analcite', (Foote) 332

Of .................84 'A New LocalityforEpsontite' (Iewis) 332Amnb/iwpsis.. ....253 "A New%% Locality for Fluorite"(Jefferis) 332

A'e/s I uillem/Sneat:. xgo 'A New Locality for Gy,psum "(Ranid) 332Atmericanl Arch-iology antIi Ethinilogy 711 INNe\\ Locality for Mlulieriti' - Rattif) 332Atticticanl Association for the Adtvance- A Nu\ss Locality fir Siuderite" (I issis). 33-2

ttititt ilf SCietIc. .12, 43. 52, 102-, 1O), -A Nis\\ Locality for Signite 0t\iss 51 332122, .1, ;270, 271, 279, 2,0 'A Ness Nithitul ofit eiiionitratiitg the

Attiericall Astrononmical Work...... o9 TIutoracic Ducet ill nitls (Gage) 319

PAGEA New Mlethod of Preparing Large

Se-ctions. of Nervous Centres forMicroscopical Investigation"~(Ham-ilton).

"A Nesw 33aicoe I2si)Atigutlir Aperture of Mlicroscope Ob-

lictises, ttackhanl) .......8, it6A61if1t11e tind Ntatdtier IDyes, Competition

Btetwsett...............6aA\nimatl tt1"inttit in its Relations to thte

Mitii 00.vM..........267, 280Anitnial Tissues, Acid Reaction of, After

Death ..............47, 188"An Investigation of the Pleachi Yellows"

(Halstvd)..............112"Animal Record of' Science and Indus-

try" (IkIolden) ............ 1Atmn Arbior Observatory.........283innei/I?iui-etP-irohis...........212

.\ Niot ott ltue Zoditacal Uight' (l.xsk) 112Anthracite Coil Fields..88, 89, 98, OooAwtiracite, On lie Origin4o.......303

in//iacite (.Steatit yacht) ........95Antihracitic, knvestigatiotn of, antd F-or.

nul11a for...............79"Anthraix of Fruir T'rees, or the so-called

Fire Mlight of thec Pear, and TIwiggligt of thec Apple Tree," (Burrilk) 112

AnthtropoidtlItititii, A\ Remai.rkabile Petcot-'li.ttit of.............. 25

Antttiio lilg-ical Society tit I'ittii..... 93

itt.2"J~~... .-,Q, JbJ, 2tl0

Atttittlmtl, \ iitnutoini tit',ieMaisro I-tf. . 15

A\nitpatliti It tin,1 lbliik U.xictpiition 4Aln/it,o//es I)t/S'eei. . --. . 4.1,,stc humi/is.......... .4Antitiuitiv,'1w Of NMan in Eastern

Ame~rica, Gjeologfically Considered.1Iet-irs Carvill Ieswis ........9

A Phiysic il TreatOisi on El1ectricity and(Migitetfisiti" (G uridon).......140

A Potsdatm Sanifstone' Ot)itecop) on tile.S. Valley I till of Cfiester V'alley"(Lewsis).332...........

Apparatus tise(i in t'hotographingi i33

croscopiCAl OijeCtS (\VeIIS)....112Ap);r1it of (imone on tie Evapora-

tioni of Variiius UIilidS .......272,\pipltittioiii of tleit itiiitopisone to thie

Sminu if fite- Nitisis liking PlustceAttitltitttticttofit(4 ClictteSigitia Offtc r., 24

\iiuttutu liiiNess Ytink ............ 95

Ar'/,nia /.JnHi............32-1-orhiipsiri............32Ari.................145

Ar-bz1czdr............... 143Arre//i z'e/,aris .............l;i-hiotidaris ..............147Archaxoloey and Ethinology. American. 7A\rcha.eology,' Vermiont. Reflations of the,

to thi it oif tlitt AtIjucinIt StaItes.....174.1,:h o/, 'ti I.. ............

.41, hi s/rAAlassi.-ii.... ........235.l,s/:liis/tr.l,eieri,,itilr..........235

334 INDEX.

"Architecture and Mechanism of the Bact!erium 'uycoderma........... 12British Association for the AdvancementHuman Brain" (Spitzka)...... 176 Bascaniox constriclor, Voracity of., .. Si of Science. z88o......... .1o,71

"Arctic America, Natural History of Bausch and Lomb, 'Microscopes of....z62 "British Diatomaceae " (Smith).....2(Kumlien) ."........... 5 Bedford Catalogue" TIhe.......213 "British 'r'hought.s and Thinikers"

Arctic Winter, the Duration Of......314 Bee, Th'le Enrdocraniurn and Maxillary (Morris) ..............

Arcimurus, Spectrqm of..........259 Suspensoriunm of thec.1..... 36 Broca, D)r. Plaul, Death of. .. .......9

Argyll, thie Duke of. Note by, on the Beer, Detectioni of IPicric Acid in 226 tlromiine, Use of,in the Analysis of theFourith State of Miatter .......33 Bteet Sap.) OritZanistns in'..........1 Sulphides .............20

Aridl................. is135Beavior of Carbonic Acid with Ness- Brottie, Electritied, Adheiive P"ower of. 84Arit?is, c ................236 ler's Reagenit and Aninoniar... . 296 Itrouizite in Ileekiamnite.........9"Arrangement of the Families of Fish. Belgian Diatoms, A SVtIopSiS Of....... 23 Brorsen's Comet, Period Of............ 258

es" (Gill)......................... 308 Belt TIelephonie. Thei........... i Brush Dynamino-M\achinie, The..... i-jo, 3Artemnis, Whien Discovered......... 283 Belug~z ca/oedon............. 215 Buffalo tMicroscpicad Club)........10Articuilate Language. Discovery of the Bdenefactions, Educational, in the Unit. Building Stones, Capability of, fLr

Seat Of ...............93 ed States............. 292 Standing Hleat...........254Artificial Diamonds ........... 22 Bernardinite ..............89 Bunsen flIamie, maximum TremperatureArtificial M-ineral Water, Constitution Bernardinite, Its Nature and Origin, Of .................2

of.x~ .i..;........... 39 J. 'M. Silliman........... 8x Bunsen's Plile................... 92Ascaris m,nric idcs ...........303 Blddu/lphia TIuome;'ii.................,. 222 IButter, Aintnunt of, in Mil . 2Ascococcus lihtrothii...............,.... 12 hlicka's Cotniet, Period of ........258 Butter, Ancientit Analysis of Two Satti-"A Short Course in Qunlitative Chemi- Bitnocular E've-piece. A New .......... 284 ;.ltSOft............................ 12

cal Analysis " (Appleton) . 212 Biological Society of Plaris ........5 Baitter from an Egyptian lIomb.....12"A Simple and Expeditious Mie-th-od -of Biology, 1I)efinition Of......... . 312 lutterflie:i. Broodis of...........3

Investigating all the D)ivision Errors Biird F'urniture. J. B3. Hiolder....6i, 223 Butterflies, F"os!!il............4of a Meridian Circle " (Rogers).... III Biird Plerchies and Stands..........6

"A Simple Device for P'rojectitig V'ibra- Biirds. Anatomy of the Tongue in....234tions of a Liquid Filmn without Birds. Instrumiental Substitute for Sing-a lens " (Carhiart)..........112 ing In. ............2

Assoctation of Geologists, and Natural- Birds, The Greene Smiith Collection Of, 52. 77ists, Transactions of the...... ~B4irds. T'he Mcchanism of the Flight 01. 23 Codu/us pantdionis............235

Asterias Tanneri ............235 Birds,T'Ihe Maximilian Collection of. 6t, 223 Caffeine ................75Asteroid Discovered by Pleters......317 Birds of North Amertica. TIhe Elliott Calcite.................9Asteroids, List of thie, Discovered by Collectioni of........... 6t, 22'-I ?J'.endfuiz q!4ticna.is................... . 307

Ilrof. Jamnes, C. Watson....... 283 Bisninitli, Occurrence of.........228 (dli .rpo A-m.'rizu........... .26.4Astero/zmp4r. concinna................... 222 Bi'smuthti Thermno-E'lectric Power of... iso C'.lli.oS10Md 141i,dii.................... 2345

Atrnph.zlus B'uchii.................. 222 Bisulphide of Casrbon, Value of. in MIi- talscin............. 1

Astigmatism in theEyes of Microscopists 8 Bitumninouis Coal Bleds.......... 89, 93. Too Cat/ocePhaius VitUhinUS......... 215Astronomers, 't'he Education of "Black " Expedition.................. 4 Calortme:ert(Rosetti) ..........2

Young ............ ............ 82, io02 "Black Knot of P~lum and Cherry "Callotte DiaphraRm ".... 2...24Astronomical 'Memnoranda .....263. 295, 330 tIrees (FaIrlow).............. ... , "Cambota" ((Callichthys asper).....317Astronomtical Observation, Method of Black Snake, Bazscaznion constrictor, Vo- Canada Balsami for Mounting Diatoms. 29

E.ncouraRing..................... 295 racity of ................. 51 Canes. Sugar. Grown in the UnitedAstronmclOsrain,Muti Blood ('orpuscles, lI uma,Pssblt States............................ 78

Sites for.......................... 152 of Identifying..................... 20 Canids'., Mtocene..................... 3403Astronomtcal Observatory, Mt. Hanitl- Blood, Fresh. Difficulty in MNounting.. 248 C'apella................................ 284

ton as a Site for an................ 158 Blood. Human, Chararcteristic Distinc- Capillarity. Nature of................. xi6Astrononiical Record, Dreyer's ........ 77 nion Bietween, and 'That of Other L'a//ichthkvs tspprcr.................... 317'Astronoimical 'Work, Ame'rican ...... 8o, go Animals ..............296 Carbon. Conibustton of, at Low Tfem-_Astronomical Work at the P'aris Obser- "Blow-pipe Analysis " (Ross)......... 47 peratureci.........................9

vatory............................ 82 Blow-pipe. Electrical, of 'M. Jatnin... 328 Carbon, Presence of the Vapor of, .inAstronomy, Address oni, by Asaph Ilfall. 123 B6decker's Method of Detecting Albu- the 'Solar Atmosphiere....... 2o7Astronomy in the Unitedi States........ 25 mien tn the Urine................. 307 Carbonic Acidl. Behiavior of, with Ness-Aste hytida ..............247 Bolide, A F"inc........................ 236 ler's Reag-ent and Ammionia....... 9AsWoks'j.a ................247 "1Bonie Caves of P3ennsylvania" (Leidy) 332 Carbonic Acid Gas in the Air, Effect of,"A Supplement to the Article on Cal- Bori.c Acid, Complex Acids Contain- upon CrOPS..............1

carcous Crystals in Atnphibia. by ing ................ 30 "Carcinological Notes, II.. Revision ofP-rof. Bolton, 'Trinity College" Boro:-Deci-Tti'ngstic Acid and Its So- thie Ce/isimns" (Kingslev)........ 332(Gage)..4............ 3I9 (1jul11I Salts........................ 272" Carcinologi al Notes, Ill.. Revision

Atacamutc, Researches on.............. 260 I Boro-MolybdieAcid...........307 of thie Genus. Ocypoda,- (Kingslev) 332Attics, Birain Of........... 2,39lloro-'Tung'stic Acid. ......... 0 Carcmniological Notes, IV., SynopsisA4thor, 'When Discovred............... 283 Botanical Gardens -it Anitwerp......... 23 of trie (irapsida, " (Kingsley) ...... 332Atmosphere, Height of................ 84 Botanical M.\icroscopic.d -Slides of Jas. Lartizst,'r ............ ........... ... 144Atmospheric Electricity .............91, 272I \' Queen & Co ..........248 ('r. ...............3o6Atomis atidI 'Molecules, On the Absolsite .Botanical Siocietv Of Lotidots0"......34 ('rc .P .i..2.......... 17

Invisibility of ..................... i150 " Botaniy for Ifigh Schools and Col- Carperter. 1)r.. Visit o1, to Amierica.... 7Audiphione, A iNewv. by Thomas leges" (Bessey)...........248 ('arys Adibra..............264

F"letclher ..............43 B3otany of MNanhattan Square.......... 320 (Cassidlsils ............................ 144August 1Perseids, ig8o. The. Edwin F'. B/othrwiicldr,s...................... 147 ('assioPe te'/ral-ona ..................... 101

Sawyer ........................... 1533 Brachiopods, Observations on the.2..51 Cassiopeids .......................... 134Aulacodiscus crix..................... 222~llralie's, 'Tychio. New Star ............. 274 "Cataloguec of the Diatomace.-e" (Flab-Aurora and Zodiacal Light of 'May 2, 1Brain atnd Spinal CordI of the Iguana. 73 isa)............. 2

2877. On the. Henry C. Lewvis.... i;i Bain. A\nthropoid, A Remarkable Ple- "Catalo-iieof theDipteraof the UnitedAuporaz, Whien D)iscovered283 culiarity Of..2.; States" OtnSce)B11A Useful Culture-Cell " (Sternberg).. 17bi "Brain F'ag".......................... 8C~atulpa bi,-nonioides ................... 223Avicula speciosa .. -..........io Brain, Function of the................ 225('//sS'cz.2Avicu/o,pecten/fragi'is ..........Igo Brain, I Ium.mn....................... 25 C'atdpl'.~US .....,...................... 144

Brain, Humian, Architecture and M.%e- Cat, 'I'lie Brain of the ..........4...449chanisni of............2.... 76 Cauise of the Acidi Reaction of Animal

Brain, Human, Tfhe Study of the.... 4 'l'issues aftmcr D)eath..x... -. 88Brain. Icitiiyopsidlian. TFhe Objects and Cause of die Variations of the Fixed

Methods ot a Study of the-.....2,; t'Ioints of Thiermnometers ......... 224Bacilluis amylobacter..... x62 Braini of the Chimpatnzee......25. 329 Causes which Deterimine the Progres-Bacillariai paradoxa. H. L. Smit.... 7! Brain of the Orang Outang... 23, 326. 329 sive 'Movemient of Storms. EliasBacteria. Factors in the "Epizootic IBrain. Trhe, of the Orang. H. C. C'hap- Loot11sii...............328

Die~ ............. 178 man ............................. 326 Cave:i in Japan. Edward S. Miorse..... 163Bactervia, Formation of Vinegar by..... I22 Brake, Magnetic Railway.............. 12 (i-'bus. Brain of.............329Bacteria, Influence of thec Galvanic Cur- Brnul,M. ntelekn ytts 5Cell, A Nm"v. for Opaque Objects ... 2.09

rent Oll .......................... 224 Brnci e ll,IltrosOe fte. 143 ('ells for Microscopical Preparations. .7Baicteria. l're-setict' of, hit the Air....... 77 llrc.ik-f.i9 ls .h~'........... 75.. 'en/ours.s,al... ....................... 9

Blactcria. 't'le Cause of thig "1 Yello ~" lfrnus............. 145. 1411 147 Cm.titr.I Ammimri-,t, l'Apedtttoti to. Ut'iderof the Pecach Tlree................. 292 Illritisli As-sociatioti for Electrical Science 2.11I I ChiariiN..y....................' 47

INDEX. 335

Central Park Muiseum .........St Coffee, Improved Mlethiod of Roasting.. 76 Cyanogen, Spectrum of........ xoSCepheids................154 Coke of Petroleumi, IProducts Contained C6iUiM MacMidatuMM........... 4

&erateduis................322 in...................3o7, Cc/reusaigusticollis.r..........38Cerrari: hyaloramae .305........ o Coleoptera Found in Wools.... 320Cy-casteI ................146Cetksopilhecus. lbrain of . -6328. 329 Coleoptera, 'Monstrosities Observed in.- 38 cy.i,a, Spectrum fof ........ 2;9Crebellum of the Orang ard Ctim. Coleoptera, Organ of Smell in......320 C)gm11s .1.............. 36

panzce.327, 330 (ollyrites .............. 44 .... li'23Cerebral Fissures of the Domestic Cat, Colophoniiimn, lPr,-ducts of the Distiilla- I L;Int4ulia ca/ceo/a...........23J5

,Pe/is domnestiri. Burt G. W'ilder... -4 tion of-...............247, C)'noretha/us Braiti Of........328 329Cerebr'al Localizations" (liroca) .... 93 Color Blinidnes .............214 Cv',wodictis................17

Cerebro-Spinial Nervous Systemi, Plan Color lBlindiness, On. B. Joy Jeffries.. 197 - C;~phodeiia ampulli...........of the...............134 1 Color G!ow ..............67 Ciphosoarn...............144

Cer tin Miodifications unidergone by Colorinmetric Determiinationi of Chlorine LvCPricwrdites dlugISta ..........290Glass ...............307 in llotasiium lbromiide........331 Crpi-icardites Catskillensis ........290

CertAin Properties of 'Mixturts of Color, Theic of Flowvers......... 306 L)'nine, WhIen Discovered...283. 305. 318MXethivl Cvyanide st ith C'ommron Al- Coks/enan. itf'le/.38...........colhol and( Meihvlic Alcohiol.....88 Comiet, Di)scovery of a, bv MI. Penniule,

'h.i//enger Expeditior.IlThe ... 97 Peclifile] I)ec. i6, i88o...... 297'Chinileon Th'le TIongu1e Of thle....234 Comiet I:, is'so.............259

Chimpanzee, Conipara ive Anatomyi of IComiets, New..........258, 297, 330 Danburite ...............96tile.......... ........302 Comet, Theli New Peidc258 aniell He ...............92

Chting,! of Serpentinite into Qjtiartz Cotinitg of A\ge, of lthe Origin of Species 15 D)'Arrest's Comect, Period Of.......258( .......i........33. 'Coimparativ e Anatomyv as it Part of Dtwna tiy .Afe .Wl

Chltaactet stie I)ieton1 ltIt liii.32

the Nicdical Cirticuetiim '(\lc) 112 Darwne....32 . lre R Wl

IIII ilod1 aid thit c, titlt-lAc\iiI. '' Cot¾ttiaat ive A\tiatottly ot title('ti chrill D).uenpourt Ac.itlnmy of Nattimal Sciences i9itta.1................296 (Xinvohtition-i " ( Ilroca) .......93 1)a\+k Striuis ..............hitactetis of Somte Nrw Spvtit-i of .('oIt atA'na.m.toti\s' Sonme Rvcvnt I )va brn 0)lserva,ory .6..qo, t6S, 318

'oihost' tc'' ftaYt.u......79 'Ittt'ri~I'ltt I'.t14't ill........ 32 1licinmpos,itiont ot Stilt' Organici Coni.-Clitan, till it1a,Ill Sailt\ trom I )ISIn- Coitthi-i Ilive SoltblitiV of I &atd Ihilos. potMtidS by l-ine 1US)t........272teiiiit ttRo Ielci llt 4' lt ttuAt-'tt.ui iln I lhiti.Aet-tic 1)eep Set Sotinihings, andit thet Relation

Chemtical Const ttitit S ittof t,'' #/u Auiidl............... 188 ot NIi-i iscopie Al gai to ID) ep) SeaI -sii'uiii.11............331 ('0ott1-itirv e /.Zo"gcY.......... 21 Atitiital ILife. II. L. Smnithi.... . i6i

Cht ticAel D)ccomtpo,tion incited by a Conihitetition betmeini the Aniiniie titid IDetieienceis, oti thte, of NleteorologicalCold I'htii Strounttt F-loating C ni a Ma,dder IDyes. A. S. Matcrae.,... 62 \V'ork in D).ta of Valtie to Agricul.W\IIl.II(m ILiqud" MUtt).......293 Comiplex Acidls containing lioric Acidl.. 307 tuire, atid Means for supplying

ChemliCall In1'LS tig-tiOtu-- inl thle Ilolt- Compound, A\, of 'Titanitim 'Tetrai- tieni. WVillianm MckNMitrie ..... 67m1iati Centr ul1 MNo1tainiis..... 307 chiloridle and( Ac-tvle Choie i88 I)eflection of a Constant Current of

Chemiciial llhilo~opll y (Co k"-)....79 Conmpound ot 'l'itaniittn 'I etra-diloride Electricity hb' a Magnet.......164ChenCeal S(en-tV Of f~'loti)l......20 atid( hlbophorotis P'roto-chl-tide 07Dfomig Idotvc31

Clii ,iiisttt, I)cintitiion of.......... o Cotngress of OpIhtliduitlolgiStS......52 D)egennera'ion. Aifre ~ Wallace.......63CI-iciistry, A\gziitiltur.il. I73 (II,/dus ............ ...... 1.44 )citonstratiun of Capillary CirculationC'ht'iidistrv Its all .\iI att.)( 'Im iyis. i (.'onso"isafiot of FEtcrgy, 113, 237, 2.4.4, 263 in MnIo. I). (.X IIa\xhurst......62

Svcnet-. NI. ( Oss v . 1.19 Conserstiotottif I'iurgy, IPriority In tlie Departtineto 1f A\gticnlitire ........78(tiijinIIt,I-itili of Illt'..' 2.5, 3.16 3.' I)iscostry itt thit' t'tiwipile uff...... 203 lh)iprsi-vd Tisle inlA1I..\n....a...120hut line, 55 iii tests itt .~~~~~~~jo7 Culltisi tiiol.i ot thlt Sil-utS(I uahn tsiii',s,i't,liI)atrt.31

C'Iii nill~da/il'1isi............. 0 aittl of Authogmis ( ulmtitt, MIalvers 188 I )testiiition itf a New Cm ustecean,(1ihorahummmiiiin ti'td at Chl(it \Vorkis. 307 Cotititittimi ot itie NaphithtaIits aihdutIr iitilht-pur Sihturiuin of G orgia,Chloiu-ie Ont s, 'Iti eiictithn oh .... jigi ihti-ir )vriislaives. 1'. Rivurdihut andt switti Renarks uipoii ( airumene C'lim.('hIo tiles it( Camtpholir, 'Ihtie....... 272 h. N'i't tug. ( Irinshit imtoby NI. /,tui '' (Vogdes).332...l'hlorudle o4 IIhaitittittil..........12 hlituijtit nil 'T. Tottunehc).....323 'Deset ipt ion f a New S4I-' S of (Cat

(Chtirhite, I vIcir ili lindnu (. in) IPotable Contrnibititots to) I'nephll.hc Anti,timv. ostomis (Clihus,',mus Crpha) from the\Viir.,,....................... 21 I'. C. SpitIik.a I)73' 235. (I1) 25! ('olor.tdo Riser (Ioitcktingion). ..332

Cl II iiit' itli,olssl ittol It nimuiuldhe, t ilori. (Xolriiiiit olit' to N\it tOls ittu,\1 litnal IDIc.'eit4ttill oh i iinew Sptitus it Ileuuji.11litti inc 11dittitI.tit (it..,....,3,I) Ilihuitiiy '' (Sltiilokt) ,.......... 23. ktrl/eiv tut Atil .ask u.' (ILockingticil) 332

t'hihtutti;hvht11,NIttl (It tor thue Retetition (i iii l111iwtits i I',,yihiwqi>1K ivtr 'I -iip"'14il (it Nv\v Sithsi iiititt Aii y.oh, ili PItCh am l Vigiu1hihi's......134 ii11i).............. 235 lie A\ cus",''( Iat wr ),- . 112

('ietcas a I lru'aktfa.t Iluseragf'. 75 Cttiveicmil Seth' ititit Apparitus It Dvscm it ion itt i ua! suitipwed toC/aud-Si's i/ida...............I0 Gus A\itahvsis ' ( Nhor-y) .......112 lie N-vw, t-roni thec Islanid of NIomea'"Chiroiititium Seuquichihoride of a 1'ersis- C0-0Irtri oin iii Science .........30 ( .tman............. 3tenit (Greeni Color ..........26o Cu-oidinates, Probilems in \Vatson's. -..--154 D)escuiption oif Somie Mlonstrosities ob-

Chiromnite mttar Radnlor, Pai.,` (,- nil). 332 Cope, I1'rot. Eudward D ., 'I'lue Bilhio. servedl in North Amierican Coleop.Churomittlihtogrt1phty ..........24 graphy Ot ..............21! ttera, 1 lorace 1'. las ne ......: 38

(idird.143, ~~~~~~~~~~147Copper, litiinadlhsooia Desilvt-izrtztion of Leu':Ad by the ZincC'i/,iris ...............145, 14oiutiuon of, in the Ainmiat Sysu 39 Process, J. E. Stoddart.316....Ciiler Mlaking in mIAgland........ 24 Copper Electrifiedl, Adhesisve P'ower of. 84 D)esmnostichua........144, 145. 146. 147('ticlintluiti Obisersaory.......I, 13, 10-2 Ceippem," Occurrence utf.......227, 319 )esptr'z EIectiro-Nlotor, 'I'he.....92, 170O'bi1/1s i/iii/,1itIs............ 267 (ohppr Plaiting.on Ztnec........ . cjG6 Detecttomi of I loney Sophiisticated withCisi litvotn, Noti's oni (I lonigh). 20. (ordthah Obisirs,atory..........259 Stairchi Sugar.331

CI.asstlicaitiomt, 'I'le, of Scit-nece. Samn. C1t-1(',,...............136, 178 D)et'ection of Picric Acid lint Beer... 296tich F'lering . )31! Courpora sitriauta, Fuimcieions of the.....115 lIeterntinatuon. of' the Comnpa,aivse Di._

CIas~ifc,iuio of hu Irotiiat Eleckel)176 Corniim ) "ire . 0,24 iiensions of Ultimate Mfolecult's;(11/pru/hia ele~,-ins............ 6 ('osiodisci ....... ....23 antI I)ediictions of the SpecificCl-Ioisius, EIeeitro-DN-ntamnic IAsVw of.. 140 (Cscinodis,i, quicik say' U_ Obtaining... io Properties of Substances. WV. N.(:,MIV, 'I'rue, in so-eallech Clayt Soils . .307 C('siuldiStIu i"ts ............222 Ncrtonl............ill, 139Clocks, 'Theory of A\eidental Err.'rs of.. 116 C(tsinttis/iis st Ii,e//.n..........222 I)etermination of the Routtne Tfime(I'mw,ne, XX'lien D)iscsverd....h ... 283 Cosniogomti\ D)et'llitiomi Of. 312 of .Iupitcr. fromi Variations of the('rp'atsei'.................4i. l//(4us sto/iui ............87, I00 RIlc SpI-ot tinl 1879-80, wvith the Phy'.Gp.ihd...4..47..'...i'i...i........a . 34 sical Chiaractcr atidi Ctianges of the

Col,h. W. Slhcifetr.....(1) 88, (II) til ("'mmaS TY71'i'i..............307 Shot.' Inritclhtim)......... IllC().itI (;s.I" thuic iof tiw Inthtalatioam of. 1('. i irt;'i'athemluuauu ....... -(t) D)e:ermim.ttion of ilit' Value of onle Rev..-h ...........i...n i .. 1 ~jc ................u othu ii of a NI ivromuet r SCmAy.W.. 282ob hi, (ketirrueunctti if .... .....2.17 '('I) tI Pi Il IitihI' '.........23j I lterumiiii.-i tihu0uiOf 1rca hiy Souhiumi 1fly-

....u.....i...........t..(). tisi Ilui ..... p( biillt otu. ........................IRS

Cit 'thin-mlit of Fxptntisluti, ttv I letut, ot 'uuuimtt'ih.t..S.it'... iii661 hiitt iu 11titrnitu Crysials, with1N It-itt .........

t. .....8. Cupihirhmtlt SitIt'is Il MI iuiv-sottt. N. II. lutiuu'icd Suit tees ..........88Co-ithietimt of AI'pmsiuMi uof G.i!S )Ii. \Wiiicltt'th..............197 leVico's I tiuuet ............258

tI)itS. I-_ IL. NicItohs airul A. XV. Ctimrrt'nits, 0iu, lrotlutieed by F"rictioni of Ilesvilhi 'uirnaci, 'I'lie..........31SWhui'-emr ..............135 I1n\o Conidtictimigt 'Sibthsnces.119eIx Utevonian lInst:cts, 'The, of New Itruns.I 'a /ela/ir/...............97 Cuttle F'hshi as Itood...........68 stick ................292Cotfee, Comaposition of, antI E'ffect upon Cyanidie of l'otassiumit, F~ornuiula for Dewv, Amount of D)eposit of, [)uring a

tIn.- Ilumnian S-'),stc'n.........75 Miking...............12 year ................71

336 INDEX.

Diadematide.~....... 143, Y47 EchimajiMus........$1..... 14g Embryology ..............97DiademeoPsida ............. i4b Iichinarachnim~s........... 145 Enimet County Meteorite, i879. J. Law-Diamonds, Artificial....1 EA it'i ...............147, 148 rence Smith............ 9Diaphana C//triculus) gemma.......235 Echjinida'............... . 17 mPelrum ni-rum ............87

Diahoe,he.................I4 Echini. Extinct ............142 E.ncephalic Anatomy. Contiibutions to. 73Diastase, Action of .... .......12 Ec-hi,,obrissus............146. 1481 Encke's Comet ...........126. 2;8Diatornacece, Quick WVay of Securing. xo I:chinwcardiumn.............3451 nt

Diatomacea.: vs. Desmidiacece ......7 &h,.nd.44, 147 Endocranium, The, and Maxillary Sus-14I)iatomaceous Earth, The Richmond. 222 t-chinoci:rmus............. i44, 143 pensoriuin of the Bee. GeorgeDiatoms, Belgiain, A Synopsis0o.....23 Fc oraa971 Macloskie............112. 136Dicyecnzida ............... 9 Eehinolantius ..............45! Energy. Nature of ............ iDhidimopriumn ..............6 E-iw, ..a....15 Energy, Radiant, Definition of..... 4

Djifferential Calc;ilus " (Biyerly).....79 ktchino,nceti-dwe............143 4 Enerey. TIransformation cf......i6, 238Difflturiz confstrieta ............A5chi,nonida.................14 E.nglisli Clianrel, G~eological ChangesDi),~/u-hxi corona ...........145..i...the.36

Lq/.~,'ii lobofn/1............. . 3_6, Ech'n4thuri, ..4...:47..............303Diq/ia,.,ia prrifiiEe~Ihinlus................3143 Enlstltite ill P.ckhiamite .........9Diffraction, Simple 'Method of Observ- 1ldi~on Lighit, TIhe ............ 8 E-'pidemiics arid Contagious D)istaa,es,

tig .. ...319 Edisoni's E:lectro Dynamo-Machine.... I0 Origin of..............tioBDiffusion, Th,and the Plhysiological Ed.t' abrtr .oi Eioe In OIlht!ei1it.- (l-e\ i-).... 332

Condition of Copper in hie hluman iEdison's 1'elephone........... IIEpitht;niwi................23Systemi...... ..........319 E:els, EgVgs of .............io "Ep;sziotic " Enrdemie of i38o......177

I)igestion. Natuire of.......... i14: Effiet of Age on the Quality of Iron. . 224 ls iMneaW.erTh,oMioir283Dilatation and Compressibility of Gases E'Effects of Certain Driigsin Inicreasing lqu.................153

utider Strong I'tes.;~ure........247 or Dinuiiini.hing Red Bllood Corpuis Aridzni, ............... 9Dimensions ot the Birain and Spina.l cles," (Cuitter) ...........Bi Errors of Refraction in thte Fyci of Mic-Cord in Somec E'xtinct R ptiles " Effects of the Respiratory movements roscopists. Johin (7. Morgin.... 8

('Marsh) ...... ........288 on the P'ulmonary Circulation' Eskars of Maine, 'I lie ..........151IDiniorphic [lowers in hlcustoniia' (B3owditch) .............8i Esquimaux, 'I'lhe, of Cumberland Sountd

Meh).............332 Eflect, uipon Crops, of Carbonic Acid.1)..,.......o..... 21Dinamawba mncrabilis ........... 6 Ga., in the Air ...........12 E/lerqtnusla ... .......... 97DionoadMUSCplh .............21I Eggs of Eels ........o.....1 Ethniology., Amnerican .......9...iDione, When Discovered ........283 E'ggs Of the Extinct Great Auk.....69 I'tlioio-og, American Archxologv and(. 7Diplocidar-is ...............43 Elasinobranch Fishes'" (Foster)....97 E'tlinology Fragmentary Notes on ilha'DihPlothrv,s Ar-che-i ............ 6 F/c,Irr.................9 E.,kiiiioofCuinherland Sound. Ludti-Diptera,'Organ of Stmall in .......320 Eluctric il IBlowpipe of M. Jamiin.. 328 'sc uutn. I I) 0,(I)2Discina /0)de/isis.............19I E tr`icil Conductibility of Gases,' 'Ethnology of Africa, IiIu,trated by aDiscina /runcdtz ......9....... 0 (Ilittorfl .............. 8 large Mianuscript Map "(1Ilickmro're) 112Discajdea................144 'Elcetr!icil E.xpanston, Laws of......12o EFthyi Nitrate, Rtduictionof, by Alcohol. 3(7

Discovriesn the ammot, ~\'yn- Elcti ial Furnace, l)r. Siemiens'. 3t5. Ethyl1 Oxide, compound of, and Tima-dlot, and( L.uray' Caves," (Ilovey) ... Iii2 EIlectiuclsInldic.stor, for Steamn Boilers. 906 niumti TIetruiclhorile.... .... 30-7Iisoy s Near L'ste, Italy...... 6 1i.tric il Insiects.Eul..gy..on........cpEi I l(Jicrv li l:Discussion of thec Iheitiomiena, observ. lect:it il Raulroa~s........... ..5 ' 15.iyei.............. .31,27

ech in Colinpariiui, thet N)cpctrumtt of IHcti.it c hlututtunEF,un.e',c, When I)Stcovercd...... 23the I .ght fromtheilcLimbs %irlh thtat I Ii. ir city A\tincstshlleri......... 9I1`vo!tiiioii, Deihitiitict "f.......3 s5), 310of the 'Cenitre ot the Solar Disk,'' I Iiciricitvas tosser.. Francis R.Uptoni.. 5 Esolu11tionl of Loc otutikat. iii Amteric.u .. 33(Hastings) .............iii I ccttricits' ,Origin ofEI ltono 'i.uii lntv c.

Disease-s Caused by Fungi," (Farlow) 8i El cciric its lolar, Development of, by bin) ................Distingoust trg Species of Pa.Pulus P re-,s`re, in flemihiiedral Crystals,.. x88, Es-ollitilu of spfc,r............138

arid .7z(./ans t)y the Youing Naked I lectricits, Polar, in the hlentihedral II E'x7iminationof Fodder.." (Storer) .... 81Branches," (Ieal))..1.......I12 Crvstaswi.sith Inclined Surfaces. .. 260 E-xeter 'Sound ..............

Distribution of ttie Humian Race, Gto- I 1cctriuits 'I'ic E.arth as a Condutctor IKxpens.e of Repairing a Suilmatine Ca-logecal anid Geographical ......19 of ......... ...... .8 be.................. 53

Distribuition, TIhei, of 'l'ime. Leonard IElectricity 'Tranismission of Motton 'by. ii E'xt'eritisunts ('oncerning thte Spitit, o"fWaldo ...............277 1E"cticicity, Watt r ,vts as a Source of. 84 Coal..' tClavto) ..........275

D-lines" Spectra ;Are they l)ue to Icctric IL'mp, E-dison's....... 277 Experimient.. ott thec Strengthi of Yr.ilowWater? WV.A. Ross........48 Electric La'mp, New Form of, (Charles Plin'e. R. 1H. T hutrston.......75

Doris comp/t .....23............rt). Ii Experitnitrnts withi l'ola izedI Ilatinuntil.Dorocidaris ..............143 I1ctttic Iaimp of Foticault andt Serrin. 43 adlI.uit.IDo Shirk Sss aloss' ther Young? Burt E11cc ric ILimp of Mr. Sus an..... 36 Experiment ss idh Vapors._

G. W%'Itder .............236 P1Icciric 1 iLamp (Reyiiier) .91.......Double Stars, Obzervatnon of...... 63 1' 1ectric Ia'ops of L.ontin andi Sin'ti11-7s. 45Drediging Cruise, Report of thie, of the~ 1EIccrirc LInamps of M. TIchiikolcff.:-45U. S. Steaituer, IB/ake', Durinig the I' Icctruc I.ight, Citucial 'Test of thec, itn

Summiier of i88o...334 h.otsdlonl.. .............5Dreyer's Astrotiomical Record......77 Electric L.ightitsg, Plersonal DangerDraosivw /on., ifolid..........264. 263 Coltmnecr Wdlwh...........314 Faradhay's Obse'rsvations on SilveringDraS0h'/ 25''EcieI.ghi Its 1Irodluclion and Gas1Dry Moutnts " for the Microscz)pe, Use" r(L'rthasrt)..........72 Fasting (Dr. TIanner).......9...i

II. L. Silltilth......... 20, (II) 741 El-ctr-ic Motors., their D)urabihity asI atyAcdsCotaitied in Oils, 'MethodD)ry 'Mounts., Methiodh of Ireparinig. 214. A\ctual Reutrin ini Work .332.... . ot I) termininisi....271Duiisi.tic Realism ... ........312 Electric P'heinuu'niton, A Curious.7..2 Fatty 'Matters, P'urifitcation and RefiitsingDurution, Theli, of thie .rctic Wintuer. F . Electrie l'ilt', A Ness', (Rt ~iiit r).... 84, 91 of..................i88

Schssistka.~~.....314t .elctriticdI Metals, Adhesion of the Stiz- Fy's(oet2423D)ycs, Atmiltne and Madder...... 0.2 lce.. oif...............84 i.e. and 1/t. in, vacuao, 'Thermo-ElectricD)ynantso-EIlectric Currenit, aidn( on Cer- E-Iluctro-D)snaiici.s, (Law of 'Chautsitis.). 140 ll1eciro.Motis e lPosver of......3i50

lain Nhet_'aus to Ini)provt itsSt1eatdineSS 221 Electro.\Ifaglu'fic Rick D)rill.......32-0 Feeling anud Feunctiots as IV'ictors is Ilio.Dynamno-Nlachinses ...........170 Ehlectro-Motitvu' Forcet of the lhruihi l)y- tutu11 D)ev'elptnent. Lester F'. W~ard 210Dysasleridwe..... .........145 itamio-Electric Machiise. lbICsiry Fc'hiuh.u, MIioceise..........d 303LDysc/hirius g/abu/asis.40 M(.rron......304 eIi.sdI,nes/iea., Cerebral Fis.sures f...4

'elcc'ro-Motc,r, anr Inmproved.......170 F'rrisscnt.siion, Rapid Alcoholic.....224IEItctro-.Motors :'I'lseir Ploswer andI Re- l'erruc Gall..te anrI Ferric OxaI.t:e, On a

turn. I1. Ilospitthier ..10......3 Solutioni of, as a Re.tgeist fur theElemsetstary' I 'lane ant(I SpIhierical Gco- wttantitatise.Atsaly-is ot A\mmsonias. Itgo

uiietry "(W\heeher)..........77 Ferldizer, Aisimoisitim Stuhph ite as. a. .. 48Ea,rth's Figure, Secular Changes in the. 83 It"lk'sesso tmbyhg"(afu) 97I'u/'.144517l';arth, Inductise Action of, on the Moon 247 A/h'dlers Pi/tf..............41 Fieuld W5ork by Amtiseurs. Ellvis IlurthunEarthsqjuakes amsd Volcanic P'lsenonmena. i19 I-'.ephanutt C.slf, Mob'e of Stuckitsig of thie. io Walsworthi.............198E.arthlsuu ukes, Arnnti-l Statistics of.39..i Elephastt, Yuotng rchndia ........322 F'ilar, ' in the protosc.s of ttue Nlo'.qtiito 1oEarthsl''ie, as a Coisdtuctor of E'lectric. 1ItJtpharP Jtp Afliu-nls. 2 12 Finse It slide, A. EdAs its 1'. S,swyer. ..236

ity..................o8 Ehduc stiori ot V'otun- Astrotiomiers. .82, 102 F'ire~-llghst, 'Ilice so.cah.ed, of the l'ear,Eccentricity of the Earth's Orbit....96 Embhryological D)evelopmienst.3..... 42 anl thie T1wig-Blhght, of the Apple

&hinanthidw. ~~~~~~~144,147 Eisibryologie desSalitionid&e" (Vogt) .142 Tree...z...6... ....

INDEX. 337

Fislh as Food ......... ...... ,102' rence of Certaini, in Geological Hlogg. Dr. Jabez, on B?acillariafairadoxa- 7Fislhcs, New IMethol of 'Mounting Tfe Iimne................172 Ildas/er ...............146, 148

Skins *f ..............235 Geological l'henomienon in Sicily....42 Ilolect'ipus ............... 144Fishies, So ' -adfref .--- -36 Gcology of Eastern Massachu'setts, 1lA'/ttr'ihius ..............290Fish, Onl thl( ~ ve Valuei of.....233 (Crosby).............. 6 Ilma/.snipus ..............144Fissures, C ' of thle IDolies.i Ca, Geretw Observatory ........ Ii/1mOn/lthU$2

I-lelisit,o...........49 GeC,ephemetsi..............292 I/,wn,i,we, NVhlen IDiscovered..... 283Flamties, 'Itemiperatuire Of.........24 Gernman Associaitioni for the Advaince- Ilorological Laboratory of Y'Ale COllege 36Fli.ght of IBirds, Theory of the......23 niient of Scienlce..........109g Itorse, lFossilDLiscovervof ThecRemiainsFloating Movemient, of Blirds in thie Air. 23! Glacial E'pochi, 'Iihe ........ 172 ofaa........ ........153Floral P,tirts, Reversion in....... 31 ls,Cran oiiain ner- llowgate. Polar Exp)edition....85,zoo, 214Flora of North Americs1," (Gray).g.79 ,one by ..............307 llutdsoni's Straits, Eskimo of .......21,5

Flowers, 'I'he Color of........ 306 Glass, Observattions on Silvering.... 19' Hlumian lblocd Corpuscles, Possibility ofF!uid 'Mounts, Use of Wax Cells in Glass, Simple 'Method, of Perforating Idtentifving .............o

Connection with White Zinc Cc- by the Electric Spark ........I I llumian Ra'ce, Ge~ological and Geograph-mentfor . ~~~~......... i6i Glass, 'I'lhe A~ction of Suinlight on....i8o ical LDistribution of the .......19

FIv 'rap,- Thle: Its F-irst Discovery. 21 Glass, Variation in the Co-clfiicient orf /i liu.4Food, New Sources of. \V. N. Locking- ExPan'ion ( ............247~-1Il)urfidizion of Lilies,' (P'arkmanj.. 8r

toll...... 11,111- ..681 Gold, Flectrified, Adhesive lPowtr of... 84' mJ1"ro,eduse.... ..........34hood of the I squtinataux.8....7, 100, Io' GohIl, Occuirrence of ..........227; I h ciene ConiventionI and Exhibition. . 2t4Foratnen of 'Montio ...........203 ;WPh)0IGpi a...............222 IIv.tit,)t's, Brain Of ...........327Fos~sil lhtitteiflies............. 4 G(;Ofh"llpJll 11..... ........23 Ilylogeny. D)efinition Of........ 3I2

Fo-sil (?) Casts in Saindstone," (C ir G,1'mCi/uis .............143, 145 Ilr'?sonvzo'i." ....254deLal.332(no/wh.............lli3.21 1\nmnoptera, Orga-n of Smein . 2

Fos~sil I )inocerata, in the E. I.us (jorillti, llrarn of thle.........326,330', I lypochilorint', and the Coniditions of itscomn at P'ritice:otn, N. j,(I hil) ...112 (!,orijLi, Comparative Anatomy of tlhe. 3-)2 Origin in lllatits...........272

Fossil lhorse, Discovery' of the Reniains (r~ammd'ti................68of a .................53! Granmme Dynaono-Machine.... .92. 170, 172

Fossil Insects and P'lanits on M.\az.n Gjrammne's NMa-iieto-Electric 'Machine. 103Cieck, Ilreservatioti if .1.... 63 Grdss, Nuttitive Valtic of, in Various

Foihiergill Gold M'sIdal of the Socit ty of Stages of Growith..........12Arts................. (iravitatinig Trap. Sigsbee's......314

Fouir Lectures oni Static Eli etnic Iii- G r.i ity, A\cceleration (huie to the Force of 90 Ichtibvopliagy..............7detcioi," (GorduntiI. )re'stii OlierItor . 29 t1h/ksi/,,, (offI xluey).........251

Footi eeti WV,eks in P't \sics,' (Stcele) 212 Griffiti's (hfrtr of AXnituial Classifica- clelitVhtipsidian Braiii, TeObjects anidorin d~~~~~~~~~~~slatter,Thie, I~~~~~~~~~~~~~~~~~~~~ion (1 ritftiin).2..6....t........of.a 25Foi-tFornifi ter'Ile, tnty, Ray- 0ehd-ofaStudy' Of the......21

nlotldI Rogeri............20') Gi ffitthi Clol of' NIT\CcOsco y.....70, 1(y) / /isua.0,322Fouirth 'State of 'Matter,\........-2 tGrilfuhi A\s .irI, 'I'lie, to) C. M Voree. 103 li/or"i.303..............Footrtli State of 'Matter. Di-ke of AriI~ll 3.3 Gtoss Antaotomy of the lirtini of the I1'iuana, Btrain anti Spinal Cordt Of thle. 73Fourth IState of Matter: A Refutation; D)otmestiic ('at.' (Wilder) ..... I4 I//ll(1M .11411//i/,u...........21

.11. Poloj. (TIratisl.tetd by Gustatvo Grow~tf, as a Fuinctioni of Cells I mport.mnice, as P'lanit Food, of IheGilaser) ....Mu.t.8 Nitrogen in Vugetable Mo-uld,"

-Fres,h Wa.ter Rhtizopods of Nor.h ('//i/'/c1 Soe)B.\merica,(Icidy) .~~~~~~ ('ivadus/ e'/ctIrituSs.......... Improsedi Eiectro-Motor, An, 'I'heo-

l'resf Water Sponges of F.iirioount ~~~G~ri of the Cerebral Suirface ......2 dore WViesenudanver ..........0lark,'(Potts) .332 Itproved Mlethod, Ar., of Opteratingp the

Friction of Lubtricatitig Oils. C. J~. 11.SpeglArP p.OdnN\Voodlbury...........III, 155 Imrooed.Mocp t g 293Friedlerichi Molir's Life atid Works. Imroeh i rscp Sue . 9

George XV. Rachel. 242 Hemin, Crystals of . 235~~~~~~~~~~~~~~~imiprove-d M crototnie, Ani. WillardFrog Spawvn.2..a..ey's.Comt.258....i....18

F,us/u/z: sa.con:cz.284 fllc'sColit ...............2,8Itnl)ro\teil T1he'rtno-E'lcctric Apparatus.FilstllI SIA01161............... 84I l.ulo, Solar, A Perfect ....... 19I R. It. Ridout ............1h11o/i/-u,11s.............3() I handbcok of Systematic Urin'a'ry "Improved Vertical Clanip for the T'el-FiticUt1,'oZ//oS'tie Eig.tt 7,iI 216u Analvy.i-,, (hientical anti Microsclp- eScOpt"s of the 'ihlicodlo.ites amid( Mer-

lotltiotsotheEpigotts inI )e.ualcd,' (Dlerus.32 idhiun Instrunients,'' Ibavisntitirio atid Ihlionationi (X\Valtoiin... 8t Hartwig's Comtet.......... 214, 283 Iniprovenment. An, in a MicroscopeFungtis Growinog tipotn Glass...... 1') Ilrsi'sCmm 'I'li, Sp,ectrttn Of.... 233 Stige. Carl -Seil'-r ...1.....62Ftiigouis 1D)eposit. in Acidl. Ph'losphoric. I harv.ard College Observattory, i, 00, Imprtoetment of the 'Missis iippi River.DI................. lo1 6, 2(3,Wc4 X. 11. BIlih0on............232hue errol.' (ii ill) . ~~...... I ,t vaim d tui\s ,'rit v, O rigt~inal \\ oirk it 71 t.tilseu ..to........Fuirgti-ootite, New ocalit ...of ..I.

Further Notes on thet Polliniationt o'o hetIfe;iiittPoucedant Natureof.t8 b23 'bIicttuiht.'I Alittitorfe as Plantst,tt.Yucca, antI oni I9-,inuba andI/i'.l, loit-lidcetzity MIroieiaiitd atul," f~it') ........ofSex...I.'iti1,'C. V. Riley ..1........ 12, 136' l)ngte'Iig Ionan See,' \Vtrl)1(T'io\\ ridge)........... III lncttvits i-tictcs foit 'i ilgc

Hca,te~, W\hicti IDiseoveretl. ..283 lott if V'iew. of 'I[lie Suhtstimu-Ile! ar's Fornitili lPreservativ e Fluid) 233 ti uuiof Amy~lie. Alcohiol hor E'therIIlkueri, WVhetn Dicovered........283 in St'is's 1'rt,, ess for thie Dete.tionII'-ii.l/il h,,- i.......... ........ 26o) of NMorpfine ............224

Gah'ct'nwr.303 hheliot.raltht, 'I lie, for ~Military PuirpoSes. 22 ''Incrtistatioiti forrmuel in Pipes used

Garnect Mistaken for Corunumtut." /1-4,1/s su-te/iicois...41 Indian Br, adh, or TruckAlioc, 12. (0, 72, 262(Canrdeza) .............332 /ci/r.........144, 145, 146, 147 ltudiAi 'ts. ''l'le...................17

Gises, IDilatatioun antd Cotmpressibitity Ilelnciti./ti/...............147 1Indi.1n ((rtin, F"ermntted, A Poisonotisot, uideiitr Stronig P'resstmres .....247 1/m"o1 ~.1........43 lt'ioittet Of .............235

G.Ist's, Measurviucit of' thte Ilcat of li cmiry, ,lottcphi, ultlg%v Ott, A. M Indithiito Dee............ 02

CosIlumisation.Ilsotif.twsn.2- 1

I a's1mi'127I~.t ut titgteLttin ~ 8

GasIlunuiiatio, II stot i of Ntt's in. 25 /1,va, WhVleiI)iscoui treif .............. 2.811 mlithuutice, if mtuiprature o)n thet iiitrinG.is Solutiions, Oni thet Co-t,flicien of I Irbart tirm of tC.ol. Stel hiem TI. OlneCY. 3u/( bitii n of Sit's in thit-ir Solutimtin.. i88

EXi).uiisititi of......... 135 // .................. 331 tinuthitoe of the Gailvanic Cuirretit oniGastric Jluiice, I`ffect of, oni l'tyaliime and Ileshel i \ih.uu1 .ife md \VourkIlcri.4

I)i,ist.u~~~~~~.....12 tf'..........331 . Itffitiaui Floitud in Freshi Ponld, Cant-Gaitigaimi, I. .1., l)eaarhi oUf . 3t........./....//3/..........................' 143 iig..............11[2, 212G'1ctesee Sli .. ...-- .-.I9ten19//'......../u.../...... 235 'Iiitjimici-ts ( onermrinhg the loulttnce ofGritrsis, 'ft,of CertAin Ifroni Orcs, 'I' '' lItlt' NIt.igif)ing I'tmetrs, '(Mohore) 170 L ghit itt tile I'iuip.tgatiotu of saonTI'

tSlugcarvllaitil... g....... .ml.I.fist.'.f 2ot- HI" .i..i..N.t..tt..........tut..i...J7 ttit~ (t u (f itel . 287t ioi oftheI luutimi Rte . 1~ ,1 lik'sNI utirIo... of or..8....... iet,'leIfvoin fNwiriGeological l'henon'..na. '[hsvRectir-FjoIlog.rt.i..ot.nd......ick.292

338 INDEX.

Inscts, Iniurious, Two New Methods LaIasi'.'iillkus............... 322 Macacus, Brain Of-.......328, 3nof Fighting.............212 Lawa~xlda'................144 Mackerel, TIhe Spanish, Its ArtificialInstantaneous Photography, en Ballain. Lq4wn~,unm...............145 P'ropitgation . '---..:::.. 21

Paul l..emarets ...........94. awis...............lotps.0 Madder D)yes. Aniline andl...Instinct, Animal, in Its relations to the Ldu.ruuncula 15iscatoris............. 6 aXilmsaI um~...........16

Mind of Man. 26, 280 La l.umire EI.'ctriqu......36, 45 Magnetic Apparatus. True, of MInstrumental Substitute for Singinig in I.amed/aria jPrllucidz..............235 Edardl...............307

Birds..............a..2 Lanmllibranchas, 'The .......... 3 Magnetic D)isturhances .........173Intensity of Certain IPhlenomiena of A. iamna tunciada (or spA/lanvanii)....231i 1 Magneltite Markings in Miuscovite.'

mosplheric E'lectricity Observedi in Lamps, the El'.ectric, of M. 'I'chikoleff. 4.5 (Lewis)...............332the North of the Sahara.......271 Lamnftiriis mocia'dea .....222 'Magnetization. Influience of. on theT'ic

International Congress of Anthropolugy Land F'orniaing on our Globe,, Th`e I,.Iw niacity of Iron ............ 63ard lPrehistoric Archa.ology.....77 of .................. 155. Magnct. Th'le, in Medicine. P1. R~ichtt

International Copyright........ 201 Land Snails. On thie. of thle 1kaI&o,.oc (T'ranslated by Th'los. It. Colundhia) 59Intimate Structuire, On thet, of Certain l'teriud. .1. WV. DJ.iwsn..n......136 Manganese Ilydrate, oni some Causes

Mineral Veinis. lBenjamini SillintanIl. 289 LangUAsgeS, '11lw, of the Iroqutois. Mlrs. whiich) hindler or Facilitate the [lie-Introduiction to Cryptogamous lto.- E. A. S!Pith..............137 cipit.ation of, by Ammonia,.........29

aniy. (Farlow)........... 79 Language. Th'le Zoq(ue ................ 19 MaInginese. Occturrence Of .......227Introduction to the Studyl) of the Imo. li,. l'aa:.taMno h ae,' e .By

tuary Customis :attionqilith North l.rits.4A/hods ..............215 DI)WkinS'...............286Am. Indians,'' (\'arrowv) ........ 176 Law According to whichl thec Metals atl M.nUAd Of Itloep)ipe Atal'lYSiS.''(lRoss) 237

Introdutctioni to thie Santdy of S1ign terOe on o rna o h Manual of II salrauilic Mining for 'leLanguage Anmong the Northi Am, Sturface of the ICarthi. Richard. Owen. 226 uise of tlie l'ra;ic:al Miner." (V.anInd'ans," (MXailery)').........176 Law. D)efinition of a ........3(x), 313 Wag.'na'n).............140

Investigation, An, of thie Vibrationis L.aw of Listing ............9Mgni- of hatf AlkaliT'rade. Inluingt(iiiof Pllates VibrAted at thec Centre. Law, Th'le, of Land F'oriming ont our the 'Manuifacture of Sulphuric Acid,T1hom:as R. hl.aker .......... 98 Globe. Richard OWenl.....112, 155 Sodliutm Suilpdhate and Bleaching

lo, Wheat DiscoveredI......... 305 Lead. D)esilveriz.ation of, by the Zinc Il'ow(ler." (L.o'na.aI.....,.......... 7Iodide of P'otassiumt, l'repara~tion of, by Plroce-ss.............. 316 'Manual of thje \'crwbratcs. of the

Liebig's Methoid.......... 28 Lead. El1ectrified, Adliesive IPowa-rof ... 84 Nortlherni Uiiiteal States." (.J1crilan). 272Iodine, Preparation Of Ashies of Sea Lea'_!, Occuirrence of ..........228 Manuf.ictre oft !1'.autitiuus Butter in the

Weed, for the- l-xtraction Of.....307 'L.ecture ILxp)Crimvr'nts for the D)irect Lnitedi States ........... 9Iowa Academyi of Sciences...... 308 D)etermnin.aition of '1'lie Ve.locity of Mantifaciutre. o)t Ihoslplioric Acid.... 307Irishi Bog Btutter. Anialysii of......... 12 Soundi(.' (Anttmoiny).............~. illI .h.~'rtz ,eldlosdz...........235Ironi, EI.'ctnhtcd, A\dhes.ive Pouwer of.. 84 .Lectuire P'hotophone................... 3)4t Ia.lI,r,arit rtea/1iS ............235Iron, Inflaience of Magnetization on the leadunt paiustre ......................,. 101 Mal.arie )MedIuz;e......................, 64

'Tenacity of...................... 63 "Le-As R~ights of Chiildrien." (Gov't \Marni'ge Amiong thie E'.squinmatux....87Iron MNiines of Ore Ilill, Conn., and' 3CI)O...... ....,.........,......... 152 lI;:IrS ...............1.I&9 263

Vicinity, anid the Making of l'ig le"umtintwwi.....Mar......cirui..of .259Iron," (Stearns) . 112 ~~~~~Lehman's Caluric Engine. Cost of, per Narst an iWter- Plants, Rsi.uv

Iron Ores,'IThe, of thie Brandon 1'eriod. IIouir ................84 l'o%er a)f ..............12IlenryCarvill Lewis . 164 ~~Leibnitz, a Btronze Staitie of. at L('ip) 'I'M.alieniatia'al Tables." (Ileirce).

Iroquois. 'I'hie L.angu.ages of' thie.. 137 zig... . 7 Miathesis, D)etini'tion of .........312Islanrl of Montreaul, T'hz2. Williami BoLyd. 242 .irh'co ............../os. 1 Maiter, .a F'ouirhi s-t"t Of.....32. 33. 58Island of Reil in the Brain of the Orang Ilcunialds, thie November, 188o......294 Matter, a '' M\ode of Motion.".. ..34

anid Chimpanizee ........327, 329 I.epe'1s'I/. tUbT'oli............235, Maxill iry Suspenlsoriuim, '1'hie, of thelsth ini enerz'is .............222 LepdudpterA. Orgatn of Smiell in .... 320 Bece. .......136Isurvfiis dekayi .............236 Lrpi./oshe'.t7:Maximua an Niiiu 'liik-Prdctn

leporis, 3 .............,......'......... 152 Machine. W\illiamt lerl itt 66Lein'eMush i................. 4 Ma\imliliati Collecoamn of B1irdS, Th...223

-is,lcai .............216 Mean Raitio. 'Ihbe, or Oxs -en to Nitro-Lewc'(a'?i.......................,..... 63 geim1 inl thle Attlousphiere. E,. W.

J ablochkoff's Candles......... io Leurmocerr. tor/uz.:............i6u Murley...............166elly.Fisht, On A New, of the Order 'Le Spectre Normal du Soleil "(A\iig- MeaSurmet On..tthel,yof..Radiant.....r-'1'rachomedusa!, living in Fresh str6mt).27.......S..I........n....y . 218

Water.E.Ray Lankes'er . 1~~esser S pottedI Wood peck-"r. 'IheIC....24 Medllciit(, Sch'ools of, inl thle Unlief:Johins Hop)kins University, Fellowships 40kiWho/m.o Sae.9

at the ...............29 L.ick Observatory, 'I'he.....122. 152, i;8, 'Medicinle, 'Irhie 'Magniet in .......59Joule's F'ormula........,............ 10 . if'e Plreserver, Chemical. (Brown).. 6o Meditum Po)wer Objectives, Relatioin of,

IIJourtial de IPharimacie"............... 36 L.ife Question, Some Mod:_rn Aspiecti it' Micro-Bi1ology..........1i60-.1ournal fuir l'ratktische Chitmie". 47 ,of 'I'hie........ .. ... ..... 112 .l,'ddusw ............,.................. 44.7uewa, 'When Discovered......,....... 283 ILighit, Nature of..:-::,: ......, .1 .IIeus,oe cr.:spedoh...................... .34Jupiter, Diamieters of the l"our Satellites Ligt.Not o the Odiaca . io lu;,Ma ne.........,..,.......,6

of......................... 165 i.Lighit. on the Elffects of Mixing White, Medusa', Fresh Watter, P'hysiologyJupiter: Miotion of Spots on his Sur- withi Colore-d..............,....... 8t1 of thle................64

face, E. E-. Barnard.............. 293 Light, 'Ihle Eudison.......,............ i8i Mvdi,'s;, NakedI yI-.y1........64. 65Jupiter, Observation of. 165, 189, 236, igahit, 'I'lie Vehocity Of...........,..... 262 .Ielli/zA.............................. 143iti.,,m', /ucidum .............,....... 169 .hfeloni,'ida'.147

..'WYl..t.... ili9'Liim lra,n......................2358, 263 Li/iou, .lli......i.318...l............ 23

Jupiter's Satellittes, NakedI Eye Observa. Lm. Function of, in thae Life af l'l.liats 307 ''M-naccanitie and 'l'ihle fromi Mary-lion of one of..........,.~.,........ 295. Linos odium Victoria, A IlIydroid Mcedii. lasttd," (.Jcff'ris).................. 332

Jup)iter,Setu of....,,..25 sa oif Fresh swater. George .1. All. Meningo-Cephalitis." (Biannister) ... 235

Shiowing Evidtence of hntrin-sic Li4o:coaekca .u Alereuri'...........,................... 6I .igh fromthat 'l:unt....,,,., , 83LIi11,'s/.i.d/.ilo/.i.a.......,....,.... ..... 19'i Mercuriial 'Ihlit rinomieters, Rise of thetigitefro,theahte Spoanton.......,... 294 I.rigia' Thle .J:apanese'......,........ I ero-poitit in ................,. .... 188

.iiuuuu'.a m SociuY, 'I'lit ................. 44t hu'rg.inser. 'f'lue Red-bre.usted......267ILitjiidhs, Iha Supu'rfici.tl Visciuhity. of. 298 ...............ihu... .....207Love.t'r 'Ilthu Giycogi'ttic Fuinction of theLl. u)3 .l'P' .........................,...... 9Loc:atu'hi amp, 'Temtperatuare oh the 1Mtrcs'v, Stibi-Hailwaay' uiuulu'tr tte.......

Kames, The,. or Eskars of Mlaine. I"h:auuue Of tile............,,..... 24 *eptel/,'pd .'......,.... ............'..' Y33George HI. Stone....,,........,.. 112, 1 Locomiotive.s, '1)li0 Evolution of, in Nhcetallouhietapy.............59

Kikkerton Islanduls............,.........'86, Atuierica............... ,,...,3 Metals,; Co-ehl'4citint of Expanision of. byKnowledge, Definiition Of....... 312 Longicorn Bteetles, a Listof22 I hcat.................... 84

Loripes leoIS..............235 Metals, Electrified, Adhetsion of thte Sur."Los Ca-nills, New Mexico, An Area f.uces of...............,........... 84

of Recent Eruptive Rocks with 'Mitt- Meteor, A Remarkable ...,........... 22, 191eral Veinis." (Sillimnan) .......... 112 Mheteorite, 'IIt '1Emmett County."

Laboratory Manual." (Wilder and Lot'ilc//a Vhti/eavzesii.......,.......... 235 I 1879).9............. 92Gage) ........................319, 330 Luibricating Oils. F"riction of.......155 Meteorological Work, On thle D)e-

(Gag),.,............,.....319Lycpodi,i ri2nculture, and Means for SupplyiiLactose, Amount of, in Ml......12 I.yre it, Spectrumof.......... 259 Thcim..........,................. 167

INDEX. 339

Meteors, Acrolites and Falling Stars. 'Motion. Definition of......... 238 " Note on the TurquieLocalities of(Pi'pson)............. 153 'Motion, Theli 'Transmiission of, by El'.ec- Los Cerilios," (Sillinman) . 112

'IMethods in utse at the Observatory, at iricity...............it Note oni the Z.odi.acal Lighit. Henry Car-Yale for the Verification of 't'her- 'Motogra h1, 'Ihle..t39 vill Lewis ..............8omoinetters. and TIesting or T ime Motors, Reative Cot0,ie or 84 Note upon the Re-lations of thie OneontaPlieces.' (Watldo) .......... i Mounds. T1'ie, of Illinois. Willianm anid Montrose Sanidstones of Van-

Metihod of Determining the Fatty Acitls McA\dams............ 138 uxemi. anid thecir Relations to thie('ontained in Oil.......... .271~ Mouintain Sites for Astroitomicazl Ob,ser-; S.tndstones of thec Catskill Moun-

Mettric S\ stemi, P'lea for thie, in Micro- vatories. Ormionid Stone....15S2, 158 tains. Jamies Hall .........290S;C0PY.5..............~ 2 Mount I ai.nitton as ai Siit' for ani A\strun- Not"'. on .Iarositr.'' ( Koenig)..... 3

NIttie 5) steml, 'Ihei.......I....84 oniuic i Ob'.erv.ltorv......... I ;J, t;8 'NoeonteayaLkeSrGar.MeIr,itte etw/rai u... ..38 MNioututig i.tonis;, N~%v MettiilotM.'. 2~ ((;i 4e) ......... .....319MI ca V'einls, Strulctore ot, in Nurthi Card)- NtIoutiuq FIi est Wood, Ditfitiell iii.. 2 I~8'NutLstt m thle Ileltitiv and I listk.ry oif

bola ................138 Mouinting Ma tetritls Carl Sciler.. tot the Sh.matoo or Sbus nlee Indi.ns.'Mi~~~~raster. .......146. 147 Mounting O '.tque Objects. NMetlicd f3 Ib c.0

.l/jcnsacci.xy~~~~~~~18 Moulnt!'- D)rv, for thie Micro!M.'ope.26, 74j Note'. WIi the Japacnese I'iiliiioiit'rl5.Mlicromieter Screw. IDeterminiation of Mufoor ci, jin/lloides.36 Edwvard S. MIor,e ..........154

thi,: Valuec of one Revolution of a. ... 282 Multipttle Spectra. .1. NormanIi 1,eIk- Notes oni the Srtructure. D'evelopment.Micromnt-trv and Microlmeters ....... yer....... (I) 27, (II) 104, (1II) 218 anid Plosition, of a (Supposed) Un-Microphysiotogy," A Lecture on.....1i89) Mlusia itunesth:'.10 T described Flagellate lnfusoritom. J.

Microsope,n Impoved . II. Mu'~cle, Cause ol'thie Conitractioni of. ... 113 I.Fite.6Hiillock ............... 62 Mlushiroonis as Food ..........68 Noveimbler L.eonids, i88o, The. E.dwin

Microscope, 1 D)rv Mo)unts " for.... 74 MlIi-,derma t-.Ci............12 F. -sasi}er .............294Microscope, New Gi iltitli Clubt lPortableitt12 .1/i/i/ta .................72 A'uckdd,'r!d................145Mlicro.cop)e Sitage, An lI proved.t.62 .lh'ric'a cerifia .............264 --Numnerieal .\pertute'' of Micro,scopes 29NIicriiscope, A\ New Stooli( for......257 M\ itt'. out F'olk-lote of itt,' IroqIuois." NtiieVleoFIs,Ote.X.0M\iL roscope, A Warni Stige for.....221 (Smithil) 1.2 At\atttr ..............233NIt,rom-opes, IBinocutiur ..........p Nutritive Value of Gr.ss in Various

Microsc(lpie', Failt ~v 'oust rutChon of Si.igesof ('rowth ..........12Micros.copic Examinaiiioon, IThe, of WVrit- A'uwa,, Wl'hit'i Discove'red...... 283

inigs for thet D)etection of Forgery.C. NI. Vor-Ce.............I X

Nl'icroscopic Studies in Central -I"lor-ida.'' (-Merritnan):..1....... 2 laphithalines, and 'I'heir D)erivative's.

Microscopical Chientistry ........193 Onl the Constitution ot the......323Microscopical Club), 1tffalo ....... 0o Aariumedusa ...........34, 44. 45Micro.cotpic.il Coltectionis in Florida. National Acadlemy of Sciences. .83. 237, Obevnw.1...............65

C. C. Mlerriniani..........263 262, 283, 325 Observation 'Made on a Group of RaysMIicros._-opic;il IDetiniitoti,Vaitieo(f Iltisot- Natiotial MIicroscopical Conigress. 21w22; inl tile Solar Spectrum........224

phude ot Carboninl.29 Na'ioii.s Mltviseu, '['lie .........8; Observations on Brirchiopods. EdwardMlicro'.copical Iiv'i tinoIlivna Natural Fineiiiies oif thie 'l'eh'egr.iph. 1i2u S. 'Morse .151...........

Yellow Fever.' (-Sternberg)....112 Naoiir.il Orders ot 1lih.'in0g.-inious ,-Oherv.sioni' oti Japianesel Brachtio-Microscopy, P'lea for the Metric Systemi Plaits and their Special Morphiolog. psoda." (Mlorse)...........112

it) ................2 ical ( Lis'.iticaiiun, etc." (Gray). 79' Observatiotns oilMouint lCtna.` (Lang-NI icrotomei, A New. 'T. .1. Htut ritl.1..62 INatural Setectioti......... . .... 287 lcy) .1........52

Nlterototiuc,An Itiuproved \'illard 'Natittkire (T'rykt lios A. XW. Blrgger) 32 Observations of Sonic ecnHalI luties ................187' .VZ41'iCu/.................23 stormis in Northi Carolina.- (Itlake). 112

NI d%iifry amtiotg the E's(liiu.iraix oh Vavircal. hrra..............222 01)Ob,crvafions Oil the Tetnuperature andCunibtwrl.nd Sotund. 217 Near R.oio of Oxygetn to 'Nitrogcen in C'hetmical Chiaracter of Mystic Lake,

NI ilk, Abnormiul C omposition c-f..1..2 . thec Atmosphere.'' (Mlorley) ........ 112 Mass'" (Nicholsi)..........112NIilk, Cluentiical Constituti., off.31..N.bula.../.... t6 ( )lservatories in it.' United States..... 90MiIk. 't'est, A New Optical .295.... -N.'lbul.s in Orion, Oil I'lhot-r-gratphing 1i'~304 Obscrvastories of iIItidsoii, Ohiio.....INIinceral Veills, Certain, Ott thie Intitmtate Ncblit. ill the Pletiades. 'Ih'll....... 9 Obst-rratory ( f Georgetowni, D. C . I

Structureof.289 ~~~~~~~Nebtular I I ypo)theis, 'thle ........172 Obevaoy. 'Fl'h, E'.iablishimentoanMlincral WVater, Artificial, Constitution Ncbulu NewPvlaneiitary .........136! for AstronomiclI D)iscover'y.....1i8

ot an ..1...39 VfeMIJ. WtVshen D)iscovcred....... 21i3 Observatory of ilie [art of R~o.se.....9NlMinerat \Vater, 'I lie E'psomn, of Mli'.- 1.Aie/lune..1............67, 263 Observ,aory of thie Oliio State Univer-Nisouri............... 2`5 Nu.rvouis System. I'lan of the Cerebro sity ................90!sinral Wax :A A'esum,. NIM. lienja- "pinai...............134 Ot'servatory of the 1'lhiladclphia. lfighl

illiti.26N ri ous ".s steni, Fuitiction of the.114School..I~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-vosSytm,Fnciofh....14:..........Afinerz,,, When D)iscov'ered ...... 283 Nuiiropteri, Organ ot Smtell in tile. r..30 bevtr fte est l'oiiit MilitaryMnljor P'lanets.' (Skiniterl ......283 Nessark City WV.,er, Anlaly)sis of thie. . .. 66 \caitr-ily ............. IMlintite Anatomy 01 the I lum)an Lnr- News ( mipanion, to y lornacis. S. WV. ;Occtirre'nce of Ozotie on Evaporation of

yiix.' (Steiler) .11......... 2 Hut illi taill..............31ii D)iff.'rent ILiqidjiil..1.......97Mississippi River, Imiprosemenet of the. 232 New neti Pile. etir . i Occtirrenice- of 't'in at WVinslosw. Me. C.MIock Suit'..............19 '' NessI'kirni of Inj'tctiiilg Aspp8-,ito'..' II. Iiltclucock..........112. 257

lA/c, :.:.........I....235 JSsubi ........... (U,/as/ler h/ipidus ...........235NI. hr, Friedlericti, liis. i.fe and \Works 242 Ness t eiernu MNl'loitl of A\nalysi'i, On a. Oe//zenI761.36.1/a'irl................. 1.47 \Woh ti ,ilit'.....8........../. / '1 17(081. SPectiuto of .......178NIol.'cutes, Oil tIn'- Absolute lInvisihiilitv Ness 0Iitithit ( llit Portabile Niucroscope. ..../..... .144

ot.150..................t....l.1.......... 62 OiiiosSit-' .University, 'Il'ie Ob~ervaloryMIol'cules, UlItimate De)termiillation Of INesw P'sr ioiic (.oiet, 'Ilthe... 25$ si..................

the Conipi;uratusve D)iniensiins of. .. 39Nesw Planteary Netitila'. Ii. ( . Ilekerinig 136 ,Ohini's ILawvs. 129NIollyhiaswks,' Mlechanisml of thle Flight New Rc'.ults in tile tnilz,atioii oh Solar IOils.. Friction oh ILutbricatiing........... 155

Of.................23 lie-It............... 27! Olive Oil. Amterican ..........24Mlonads, NMode of Reproductioni ill..... 57 Nesw Species of Mlollusca and Echino- 1Otisinc in 1'eckluamiiiite.........92NMonistic Realisiti............312 dcriliata ..... .........235 Oni a F"ormii of Vacuum 'Tube forSpec-Mouno-Hromated. D)iplsenyl.tnethlane, Ac- Ness Sy intliesi' ot IDiniethiyl-acrylic Acid 27 troscopic \Work " (Wriglit)........ iii

tion of, tip(on Anlnuiotia....... 3(7 Newv 'tk Academly'ofSciences, 275, 286, 293 "On a Jluratssic Sand(i" (Lesvis)........ 332Monographic Revisioni oh the E'uro- New York Aqluariumi.......... 25' On a New Fucoidal Pllanit from the

peanT'lriThloptera.-. (MNlcachlani). 8o NewYssork Fiushuery Comminission......02 'Irtiu's ''( Lesvs)...........332Mtonsirositius Obisersed in NorthA.ineri- Nickel, Occurr-eilce Of. ...........227 ''Oil in EXfohlated 'I ale." (I.e% is.).. . 332

can Colt.optera.38N.. iIdsiohN uele(a L . Ed ''LO Pectuli.sr Stratification in Gneiss"NMontreal, 'kItei IslandOif........242i ward D) Copic............303 (Ratd)...........................332

Muontrose Sarti(stonies, Oii thie Relattions I" A //117 ''On a Probable P'seuodo-niorphism ofof the Oneonta andI.........290: Nitrogen. E'.stinliationl of in I'ot,ble Gutninute and Uraniotile after Uratn-

NMuen, Motiomi of, as ettectud by the Vstikrs.............. 2!1 tutut" (F"oote).................. 332'Sun's A\ttraetioni..........89 Nitrogen, 'Ilie NMcai Rati,ouf Oxygeni to, 'Oni a Sotituon of I"erric G;allate anidNtorrisoumObsers'.utory~tie\tljopjlj- ............... 390I iite toslr. i66 l erric Oxalate as a Reagent for

3Ion/an/.:...............1441Az- ch'e/i.a................23 Qtuantitative Analysis of Ailimionia"Ntortuary Customs. 'I'lie, Amtong the iNorthuuuiiherland Itiler ........ . 85 (wi'hster)........................ 112

Northi American Indians.1..... 76 "Note on 1'huiladetlphite-A New Mmi- "Oti Comiets and Ultra-NeptunianMlosqiuitos, Infection from . 10 er.sh (Lesvis). 332 lhaes'(Frs)

340 INDEX.

On Condensers for Currents tof Ihigh "Origin anti Nature of Intelecua Phlosphiorescent Lighitinig........24Potenitial " (Blirker).........288 Property " (Sliuler). 8o Phosphoric Acidi, Manufacture ul.... 307

On Currents l'rodtitcedi by Friction he- '' Oii1'iu itid Sliecvs~ion 01 F'eldl(hL Phosphorous i'roto-chllride, Comipotindtween Condutcting Suibstancei, nnd (C'Opt)...............112 g of, and 't'itaniutmn I etra-chloride... 307on a New Formn of Tlelephone Re- "Origini of Species, Cunming of Age of I'hotophone, Application of ithe, to theoceiver. 3aimes illythe ......... 9 thle..................s Study of thic Noises ''takinig Platce

On D)endrites (Lewis)........332 iOrioiois, 1IRigel) .191......... oni the Surface of thec Sun......3Oneonta arid Miontrose Sandstonies of Orioiuis, ).......9......... thllotophione, Lecture .304....

Vanruxeiir. Note upon the Relations Orionis, 1 ................295 Photophone, 'Ilie. Aleainder G. ?ell. oof the ........... 290 Orionlis, L and C.............283 ilhotophione, 'I'hei1cBll...112, 121, 130,

"On Large Sphierice from Cnada Oilis n a............12177, 320.

(Foote).332...r.o.....r..and......5232lPotograplhic Images, Inversion in....to8Onosmodium- Viri,inianum........264 Orion, Photograph of the Nebula ini.. 223 Plhotographl, On a,ofJupiter's Spectrum."1On Phitiadelphite, S.Nv'(eIs) 3 Orion, Thie Great Nebuila in.......29~5Av`(Lws 32Showing Evidence of Intrinsic LightOn Photographing the Nebula in Orion. Ori/ihotai-us..............322 fromi that Planet. IHenry I)raper. 8

Hecnry D)raper.........3i 04 /loceras (Subulatum ?)..........I Photogriph, On a, of the 'Nebutla inisOn Plhotographiing thie Spectra of iti 0ihoii'/ibe.........971 Orion."...............304

Stairs arnd l'lamrirs'" (Draper)....83 Or/hW.e'r,, Organt of Smiell in......320 Photography, lrn~tantuinecus,cni brlu//. 94On Ranidite " (Rand) .........332 ...........iiniiiiiti..222 P)1,/1turS l'cnn'i'/;1'aia.C.........222On Serpentine in Btucks Co , P1a.' Otto l.ang (aitS En gmne, 'I'he Cost of Ph.'/nrnSpi/s.............222

(lewis).332 rI~~~~~~~~~~~~~~~~tle, rt-r hor84 /1h I'lo. t',i ...............23,On Siderophtyibte, a News Mitieral '' IOxygen,Thle Mean Ratiouof, to Nitiogen~ PO'H lomera ('ongrt-.s, The, ill Spa11i .. 235

(L-e% is)...............332 in thie A\tmiosphlere . 101 I'hi'//.ci:a, SuIjphide of Carbon aridOn Some Causbes whichI hindi.'r or F".- Oysters as F'00d1............68 Suht)ho-c.trb nate of Puoabsitini

Cilita'te rhie Precip)it Lion Of Man17- Uzurne, Occurrence of, on Evaporationigi it.47............ganteIe hlyivrart' liv A1\iii`1onial....2963 of Diit'trent Liquiids.. .....197I/'/Ac.,liei Winged........ 194

Ott thie Bryin Maa r t a~vel (ei).332 PiI.................154"Ott tielt. ',a'iiirs atid "itIiI to Iii. 1k' hel/i//mi,pa...........30

tMittis trin( hit ( eitami Variet ivs o-f ltihN omttietiat tire, Sonie Neededlt,tiil.irt (Sot It) .............. a9t t haogiin in d Ii'iits to....238

of thet U totcd Stat' arid4 Me\io'' /P.itI lbsIi..,.... t..t. 7i itt.8"On the Conistituitiort ott thle TI.ra'14. i/i./ /,/.i8,21 it i I11t h(t.ns trM'ua

of Antimony'" (Clarke) . tt2 111. chni,1 ...................... 144. 147 viorget .1. onint.....................11On the Developmniit of 1.imnn: minior' P'nlLUtlghnladlil~cu h'e- licric Acid, l)euection ot, in litr...... 2(46

(lBarbeck) ........332 op)tietit. Alexander Agassiz...... 142 phusm,ndnr............................2On the Di.coverv of the lifltiiiillc Phaontological Reseairches. Ihenry S. P/mti.i...............32Gas frotai Coats" (Webster) .... 275 \Villianis ....................... (1) 190 PIeI , Ak Nesws Eectric (Res%nier) ..84. 91

On the Ellipticity of the lFarthi as, D)e I '/"piiser14 lilosity as aler.utological Ilih-nonienon. 1duiced frotai Pendutiutii Experimienits" P,lla z,,.ic Period, on Land Snails of the 136 Pilosity, l'hys.iological................. 318(l'rirce).2~~~~~~~~~~~~~~~~8/Pa/isi ................................ 317 Pi"id..............264. 265"OnIte Histyc fores........ki.i.... 28 I'alisiiiider WVood, Re-.in of............ x83 ,~...i.............

On the 1(1('ntitv of the Ascend(itig Plro- 03PPdut,Plrzd,Eprmnssu.~ litcier Iltt'le............ (66cess of thie Astragaluis in Blirds withi I:.i/i 1ir............P.2 latnetary Nebula'. New...... . .... 136the Iiiterrnedlium " (Morse).....322 P'''artlax of a C'en/anri" (Elkini)....259 P'nanets bi.,cosvered by Prof. J. C. WVat-

On the Limits of Visibility wtitli the Paris O)ltservatorv .......102. 20o, 29; son ....................,.......... 305Microscope (Dohbear) ........... I112 asiminu/mspunc/a/us...........38 [lan of the Ceribro-Spinal Nervous

On thie Measuremientofl'ilmneAngle Psutent ILaws. On, As a Means for thle Sv'stenm. S. V. Clevetnger. .112, 134. 235(Lewsis)..............332 A\dvsnicement of Scieiice. B. S. Hec- Planinrbi. h'v7is................... 138On the Nees-ity for a New I)ep.r- d~~~~(rick ............................. i66 Pl1anoibis, T1ranisfurri.atirn of (1) 138. (111) "A

ture in Spectrumt Anatly sis '' (Lock- Ileckiaririie, A\n.dysis of. (Snniith) ...... 92 Plants. Fossil, oni Mazoni Crer k. Plrrst r-

"On the Nervous Sy'steml " (SitaWi... 228 ['chan,Rmtrabe la Xtr- Planits, Insectivoroui.. I. 17On the Origini oh Aiihiracite. TI. Snt'rry pouli itrauni........................ 25 "1 Plaster of Paris a. an, In;jectim;g M,ss"

flulut............................. 303 1ed/c u/zriS........................ 87, 217 (Gage)...............319On the Origin of the Coral Reef:, of P'enrages for Scientists................ 153 IPlatinumt amid Palladium, hlohariztd, E'x-the Yuca~ttant and Florida Banks' ''s,.............................. 223 peiint s it...........I

(AgaISSis) ......................... 283 It/)m.in's /a/nsr/ri.s................ .... 17 Platinum, Chilorid" of..........12On thle Miusical Ptitchi at Ilresent ins 1'ePeetration 01 ObjectfiVeS: Is it a lie- lIaztinunii, Elhectrihir.h. A\dhuesiv'e I'ow erUse in Bloston anid Vichir.iy " (Cross feet or ani Adva'.tmage (Vorce)... .. i60 of................................ 84and Miller) ....................... 112 Pci/ riiii .......~....I...........,..... 147 Phaintiutr Occtinrence of.............. 227

On the Refractive Inidex of IMetailic Pcn/r1,imi/is............................ £9 Platinumn, '['lie Suilphto-cyanide of. of V.Silver " (WVright)' ................. iii Peracer-as ina4/orhinuis ................ 65 'Marcagno-........1.... 83

On the Specific Refraction and( I)isper- P'lrai-eyas snperci/iosus ................ 65 hIcla fortihe Me-tric Systemn in Mi. ros-sion of Isomieric Bodies" (Glad- herchues, Butd. and Stanuds............. 6i copy. R. hi. Ward .............52. 225stone)............................. 3071 Perforation of Zinc Cisternis andi Corro- Plebi'&mis tig'/ish......................... 32

On thie St'ar List of Abuil Hassanis" sionil of Lead P-ipes by Water...... 296 P/'eiad'e ............ .152. 283

On the 'Structure of the Oraing Otitang. P1e,'ipneusis.......................... 146 l'li'thy.,niogratph, Theli.....115H. C. Chiapnman. 302, 322. 326, 329, 332 lthirkitus S),stem, 'Mr. Blramss'ell oni the.. 95 1/'ms5m '";../.i............... 29

On the 'Superficithl Vnscidit y of I .qutids. P'lermneaont Microscopical I1revara. I'/,uroni 4inw,o Qui-ck Method of SeLUririg 10J. Plateaui. ('Translated by thec M\ar- tions of Amnphiibian Bllood'' ((rg') 1'/u'nsi"'ma i 'irmni'n............... 222chiioness Clara Lanza)........298 1,39//.,it,, Iiii,,.,........ 235

On the 'Tnimber Line of li ghi Moun- " lritane'nt 'Microscopical Prepara- /n /r:C41ipent'ri .........235Ontology. Definiition Of................ 312 Pertaangatnaie of Plotash, Use of, to De- Poisonouis Produict, A, of F"'rmenttdOpaqlue Objects. A New Cell for...... 209 tetmnaie Organic 'Matter in Water. 21 Indiati Co rn............ 235Opaquie Obijects, Method of Moumiting9. 305 Per~eids, ''The Aug(ust, 188 o...... 153 " Poissons F'os,sihes" (Agas siz)..... 142Optical Properties. 'I'lse, of 'Mixtures of Personal Danger Connectedi withi Elec- ['olar ElIictricity in the Hetmrihedral

Isomorphtous Salts ............... i88 tric i ghuting ............314 Crystals with Inticlined Surfaces.- 260Orang Outanig, Oni Dr. Chapman's Pe'/a/c/siiha............,...... 144. 145, 147 P/irl)is.................274

Paper on thec. I-. C. Spirzk.a ...... 329 Petroleunn, P3rodutcts Contamiied in tlie Pollination of Y'ucca. Notes on..... 130Orang Outang, On the Structure- of Coke Of ..............307 P'Ohychirome I'rinting ..........24

tile...............302, 322 1/hcrira W\hien D)icov'ered.. 283. 305, 3 I3 '/ir.wi',m./umPh/nas.......... 32Orang Ouriti,gIh Brilftn' 5 2. h23'Parvnigeal Respirationt ' (GirHanid). .8x 19/i//mu/4i ih. ,'infinec...../..i.. 40Ores, Chlhoride, '1wReduction of. iig 1'li/ilen' a miis....... /i..... 235 ..o....'or,......'..e (i3Ores, Ironi, of thec Birandon hItriol,..... £64 PI' r./ ........... 1 1 /9o/w i.4Ores, Irout, Ithe Geniesis of Certain... 209 '' l'hiontgra.ntuu''I'lie...........24 P'ortuigal, P'rchistoric Archirulogy of. 77Organic Forms,T1hue Distribution of, on Phionograpihi, 'l'he............139 P/u;mOs'/on's ..............300

the Globe .............234 l'hmononteter, Parolette's.........287 Potash, Permnanganate of, Use of, toOrganic Matter in P3otable Water.... 20 Phoi'nwsnAiMn.... ..........J144 LDetermine the Organic Matter inOrganisms in Beet Sap .1....... 2 P-hosphorence of tie Sea.... 5 Wrater-...............21

INDEX. 341

Potassium Cyanide. Formula for 'Mak- Pyrology and Microscopical Chemnistry. RoyalDnsAcdm ofSene.. 6

ing.................12 .A. Ross.............193 RylM roopclsociety......29, 284,Potato Rot" (Farlow)........ I-'yroxcne................96 Royal Observatory, Greenwich....."Potsdam Sandstone near King of Royal Society, England.. .10, 32, 47, 48, 331

Prussia" (Rand) ..........332 Royal Society of Ncw South Wlales... 71Pottery, Types of ".......... 5 Rude Areillite Implements" (Abbott). 112Pour/talesia' ..............144 Ruhimkorff's lBunsen Pile ........9Practical Value of Science. 'I'. II. Rithmkotff'sCoil ............92

Huxley ............. . 3Quarantine, Efficacy of........ ioB Rusty Gold "..............2"PI-rehiistoric Altars of Whiiteside Queckett Microscopical Club .......,.Io, 31

County, Illinois." (Holbrook).. I12-Prehistoric and Early Types of Japan-

ese Peltery." (Mors)...... 112Preliminary Accounit of a Speciulativechrntcs._and Practical Search for a 'IrTans. 3

Neptunian Planet. 1). P. Todd 167Radiant Energy, On the Measurement Saccu/inia................63Prelimilnar Determnation.P 'ofd..th 7 Of..............,................. 288 Saffron, Adulterations of.............. 307EqutinbtwentheBrtis Ii- Radiant Miatter...................... 58 S.alenij'.......147, 148l:(liiatonbetwen the Brtish mi- Raia forpeto...............,..,,..... 5 zm' az ............,..,..... o

iwrial Standard Yrd and the Metre Raisway Brake, An Electric .., ......$ 12 Salts, AmL,unts uf, in Mliik............. 12of thie Archives,' (Rogers). ....... 1 Raini ('ontamning Org'anic DTheSris,....... 7t S.%ti:rA-rokty ..........,......,....... 6lIrep.ir ition ot A\slis for thelstAttaction R,in WV,ti'rs, Ammonkiacal Contentst Of roS Sandlstone's of The Catskill Mouintains,of1 loui ne froml SCaIVed .... 307 e's:'cu/l,-lIi.......................... 25 Reain fteO;n, n otIiriptrrition ot Ranvicrs. l'icr-o-Car-" R.111. h-no'~t"'- ....... ............... 25i rose Sand-tonecs it) the............ 290

ntt&e.~~~............... 319 Ra' i(l .\lcohltoic F"einiq.nta:io,. ......... 221 S:nIac1 e IcosoidSoit. 2Preservation ot Fo-ssil Insects an(d 1I1itits Raqkide' ....................... 23 zlh/ri.......,...,...2irsoia oit.. 24(

oni Mazon CrL!Lk. .1. W. Pike., .112, i63 Ree' rdl of the Il'rogre%s of Astroinomy Ni--tei va189,s........... 263Pressed Yeast........................ 24 I)uring the Year i879.' Deyr 91 S,uranzdn.', disicus .... .............. 322Primescali,farnieu.........4! "Recuirrenice, 'I'he, of Certain Geologi. Sautian lFootprints in the EllangowanPriority, 'l'he, of ithe late 1I riedeic MIohr cal P"henomiena in Geological Colliery........................... 89in Regard to the Plrinciple of the ''ts, (Rainey)................. I72 Saurotsidz ...............251Conc-ervaution of E'nergy. George Redhouise Observatory .........284 - Sa%-ave and Civilized Ortho&3py."PrbalRariable Star............ 0 Reduction, '[hle, ot Chiloride Ores...,, 119 (W.srd)............................ 286Probbleti VinTWatson'saCo.or.inate.... I Reduction, '1 he, of Ethiyl Nitrate by' Scadzriz 1thz1illw...................... 235

Thomas Hill~ ~ ~~~~~~~~Alohl......................... 3134i .\lcoltotl'ilts .................. 30 aie usrdS40Processes for Determining the Organic AR'ef'iesactio :ei.IShoserfbinle'sEesComet. .2.......... 4,147Plurity of Potab!e \Vaters." (Ti'd)') 20Rfrcin Eroso,nth Eys1 ii/' 4617

Pr/ainsreesecns ........... 137 Microscopists .......... .. 8 SchtuidCIts II)dr.iulic Motor, Cost of,Prodoi.vu vescns ............137 Reg,enerative Gas Furnace.............. 315 pehor8Pro/it yes cie/emcius.................,.. 137 Relation of Vermont Archa.oloizy to Schiools of Science in the United States. 292Pi-ooxis iteriedus .............137 that of thie Adjacent St,ites. George Science, Aitierican Association for thePro/oxues .'pezsinz/us ..1....... 371 II. Perkins ..............174 Advancement Of ..........42Production of Crv.stals of Chromniuml Rctti.rl-able Itistatice of Ascenfing Scienice it Breakfast...........,......,. 75Sesqoiichiloride ofa Persistent Green glivhning"....................... .., 247 Scienice, Co-operation in.30......Color ...............260 Remrnrkat)Ie 'Metenr, A.........1i91 Science, D)eftnitionof...310Products containedin the Coke of Pc- Remarkable Peculiatit of an Anithro- Science in Franice and Gerniany. 311troleun.0 pi Bati .C. Sp-itzka.... . 23 "1 Science Obs,erver......305Plrodutcts of thie Distillationi of C'olophon- '1 Rettarks on PlondI Life.". (I.eidv).... 332 Scietice. Plractical V'alue of.........tern.247 Report of the Cotutni ~~~~~~~~~sionerof Eduica. Scienlce, 'SchcolsN of, in the Uni ted States 291['rogressmade at the Obsm-rvatorv .1 tion. 1S73-('xi/az/.......... . 291 Scieticin-, 'thei .\dvancement of..1.... 9

Harvard College in the Deterniniia- RZeport of the D)redgitng Crutise of the Scietics', [lie (las~-ification of. (1 1tion ohthane iabsluStersCo-ordtaers ii

U. S. Ste itier B/ake, D)uring the Seit neces, 'Ihei Muluual Inte-raction Of tile 821o9 I"ndaniental Sars." Rogers iii . Sumnier of i88o. Alexander Agas- 'Scietttit'ic Journalis,ts of P'aris, Meeting1'rogress of Geological Investigation i................34 efh.3

inNewBrunssvick, 1870-1880." ~ 'Report of the United States Geol, gi- Scientific.Journals, 'F he Va'uic Of-....31(Bie).......................... 112 cal Survey of the T'erii orie-s'".....- 54 ScientiftcSocietics in Amec ica...... 30Progress ouf WV,stern Education in "Report on the Ilistoryo;f dlie Discovery Scdetoiun/it ...............72Chiina and Siam," (Go(vt 1)oc.). 152 of Neptune." (Gould)...,...... I167 Sycute/lndw..............144, 147Promitience of Catbonate of L.ime in Repro(itiction. 'Modes oh, in th Monadis 57 Sea Urchiins, Sea A\nemones, and Sea

SoilWVeater." (Stoter) .......81 Repsolds &. Son, Inisrtruments of....... 166 ('ucteumbirs as foodI.............,.. 68Pronub'a maecula/.i.................. 136, 137i Reptiles, Aniatomy of the Tlotigue in...- 234 Sea Water, '['he Actioni of. on Stibma-Propag,ation of Sound by Light, in 1811 287i Researchies on Biasic Salts and Ata- ritie Cables ............Proper 'Motion of the Group , AC/RI't ca.titte... ........... 260 Section ('titter, A New. (Iluirrill)...... 162

cu/i, 'S Toucanii; and e I!rid,:ni. Resin of Plalikander Wood........ 88 Secuilar Changes In the Earth's Figure. 83E. .1. Stotie....,................... 9 Respiratitve I-ower of Mlarsh and Water Seismloloy ..............19

Propo'-itions in Cosmiical Phys~ics." P-latits ...............12 S';emnopitkcusi ''.'.................. 30(l'eiree).79" Resciltsofa 'Magnetic Suirvey of Setitisf'ction and Callisection .......... 210Pros'doscic-mi, Pr;of'. D'isco'v-eries o-f,-nnear' Missouri.", (Nip?ier) ..1..... 12 ''Srernettine Bielts ot kadnor 'Township,E'ste, Italy........................ 6j Re/icu/i, i, 2.....,,...,,............... 9 LDelawaire ('o." (Rand)....... 3

Prote-in, Antiount of, in Milk......... 12 Reversion in Floral Ilarts. WVilliam Serrin's Regulator............92'ruto)plastn in Living TIL::U....ti6, 117 A. Ituckhiout................:..... 310 Seti'era ............... gProtoplasm, Nature o.......i8,28Rhabdocidaris........... 4 4 'xa 'raitsi alnaAeiP'russian Bllue, Crybtalline............. 307i Rhinsoct-rontidw, a New Genus of...... 65 cana." fMIariindale)...........,... 3_32Psammrechinus ........... ..-........... 144 /shiizocappea ...............17 Sb )rks, Do they Swaullowv their Young ?. 236Pieudo.diad/emata/ed......... 143 "Rhizopods in the Mosses of th- Stim- Saawvano or Shea\ nee Indians, Notes onI'stieto-Neuroptera, Organ of Smnell in miit of Roan 'Mountain, N. C." thie lilentity and IliStory Of........ 202

P. e'udo.A'.phide'w..................... 23 RhiizopodIs. '['lie F"reshi WAater, of Northi Sibt-/li, \Vheni D)icoverec ........283PI., in c-acuo, TIhermo-,Electric Electro- Atnerica........................... 54 i-nwns' D)ynano-NMachitne....... 10 7

Ptoniaines in the Atimial Body.....179 Ricebmotiic Diatomiaceous Earth., rIhe... 222i Sigtsal1 Service, 'rie.............,...... 249Pty dlint' and I)isastase, Action 01....,. 12 Rise of the Zero-Iloiiit in 'Mercurial Stgshee's (Gravitating 'rrap. Alexan-Pulkoswa Observatory ......91, 124, 125~ Tlermiometers,.................... 188 der .Aga-siz..................314Pu/mu1i/wera iii Japan ................. I54 Rissd /ri/.zC/rle's........................ 215 Silver, E!ctrified. Adhesive P'ower of. . 84Peeica,4,ranat"ns ...................... 307 Rocks, Ertiptive. TIhe Structure of. .... 173 Silvering Giass, F-araday's Observations

Peupt ve'/es/a ......................... 136 R(olaendo, T'he Fissure of, in the B1riin Silver, Occurrence Of................... 227I'uiutV.ationi atud Re:finitig of Fatty Mat- of tlie- Orang...................... 326" .Simeia;,zSn/sr.............. -.... 302

ters..,,.......................I88 RosatiIn", Cotistitution of tile Salts of.' rh8 Sittinlc' D);'viCe, A, for T'rojecting the Vi-/Pt:;'m/er.............................. 1441 'Rotutryl l'owvers of Glucose and Grape bain fLqi 1-ilnis without aPI,ururs.............................. I46. Sugar.' (Wiley)................. 112 Lens. If. S. Carhiart ............. i~37

.~re........,...................... 144 Royal.;Astronorniical Society. .83, 91, 96, 213j Simple Mfethod for Determining th"l'yrology." (Ross) ..........47, 237, 247 Royal Botanical Society................ 44 Temporary Illardness of Water... 3

342 INDEX.

Simiple Method oPrfrtgGls Spr/rren,r. i TayBriige I)isaster, T'he........7with the Electric Spark....... it Spores of 'M ouldIs ..7..... ..TIclokoleff* E'lectric Lampoti......

Singinig in lirds, Instrunmental Substitute Sptetigel Air-il'titmp. An Imiproved 1lea, Cnimpositon anid tflect of, uponfuor................. 24 Miethiod of Operating the......291 thle hfluntin Systemll.........7

Singular lBehavior of Statnnous Chiloridec Standard Time. Proposed S-diedole oif.. 279~ TM: om't/wla.:..............1withi Potassium Chlotate....... 272 Star, A P~rubabl)e Vattible........317' Telegraph Catble, Submarine, Duration

Srimks.................189 Star, News. lIyelio Wtahles ........274 ol53Sir'ius, Spectrum of............259 Star, NO. 4339, Lalainde.........317, 'l'elegtapliic I)etermiination of Longi-Stimgndi'i................144' State University ot Tlexas ........273~ tudes on the East C03st of SouthSlags. Artificial, h Strutuetre (if.....173 State~Mi croscop11iCal Society Of lilinlois. 257~ Anitrica ..........283Slaughter-Ilouoses, IDisintect ion Of....31 Stature of tht Eso~tmix ....... t..'lEu t'riph. NatuAiEIn-emiies to the. ... 12gSniiell, Organ of, in Iiiei ........... 320 SttolY andtt Vi tvx Mo t ions in Viscoits tt'letgr.ipli, Ih,and IXir-thqpiakes . .. itStititli, NI r. Giretit, I)v;th~l of...1....... ttiFlusld'"Iiil,' (Crai9) n't't''ll g...i...i,.V.soil.14Siliilits0n"ti l1isttlitiOn...... . ,2,N0 3P SIt' 1`ii i gut, 'ts"OI 1, prlit'It or.... f.. ~Ktle tieRt livur, A\ New lotiii of, ji, 11Sniiitlison. NI r. Jaunits, loiilitiries ( on. Sitairiti CI intllt', TIllinritorue of the ltlpit ', thIt' Allit 'ig. tit-e ftitldiis 191

*Stinyth's 'dotlCt tuhitgit . 4181Sictl. Fl. vlt'' fivti, Atlinsis\I t. 1)\'tis it f. b I..l.'l n,.II.i t. ti . it. 9 139*Sotiliyhs Cclesti.ll CyclI.. ......213 Sltel,t' U!t. 01, il, i lNIiili' BtuiltSn.. ... 77 I'...e,,1Put.4.unui, lits.. .......4

,Snails, (Oi ILand, of the l'.il:ozoic 'Sitliar Sixocruni Pi'otog: aphis..3.. 251timne' ii: it..............143P~eriodl...............136 .s','/i,i,ni.................. l4 P17N?iP.'.1U0-us3.145

Snakes, A\natomiy of the 't'tmigoein. 231 .S/itvip,auid.)i Vetuviv uin 'Iliie Cheicuiiil Tmtt.iitl's Coitirt, liwrittid o........258Social Organztio:itn ntI( MItte oif Guv- t o11i~tii t'lis tt..........341 T'lttltI.5\5 Ifi ti It,T e. A. 1 lt'll.. 33

cit-iotti-iti of tilt' Aticitilt Mt-NIi Ca.1 7 St'lii i14ItIo~ is, P iltoSit (tloe to .. ...3 iS I tintwrmittre, ItlitiiviW' of. on tilie D is-Socirt v. 'The, of.tirct aih iit, /Sh /it4bim,U.141....ti...........tin..114 S Is II '1 hvir Solutiuns, tA

WillIiam'1. 1ItIii;itl.;iy. ...... 37 SWitIlls, 'alot's wsitil )titi mine te wFI'tiittt...........I.li.t'..24Sovtltly of AmItiCivtil Th iileritists ., 33J 'iito:i tvivt, Movt'niilt't tt........ ........... .30So-cal lI d I-'re Iligit. 'IIle ot ilie lttitr 8/i:b.i/ IV. .... ................in./A,.uJ

'Tree, antI 'IT ig.Ill gltt of 11 \tl)I-Aple .Iiaii1 .. Ii/Is iiIiIt..~ Ii ttlIii I 'lousiii).. .......3

Sitils, t'hlysico-Chiemtical Atialy sis o!...320 Sooti tilt- ainti Mlorphlotgical IBotany 'uIe nats l Polgr'-11,S 'the, of hil',oaQ a.A 'ric.t of Pih;noitmgttiits Plaiits,'' (1 irv) 79 i iiii antoa' ~lh 1iSol.tr IHeat, U.ttliziitiot Of ........ 247 Sitrutiutre andt Ntiitetclattre if the .:/.ret. httrt ti. W\ilder .......317Solar 'rothi'r.ince, A Remarkabtle 200 Biraini with Sptecial R{eft'rettcee to 'I1eha. iaapi,i....... . .....143, 147Solar Spectrosctpic tjhservalio:is, 1879. that oif the ('at,'' (W\iltdtr). 11ii 'tesxitle FlibiiCs of thie Aticient Inhahi-

S80o..150......s 'Stmictrtre of Atitifiial Sligsa.itl eruptive taints it tht.' NIississippi V\alty. J.Solar Spectrum. Ohsi'r-vattit s Matte cin Rocks. It. C. Stolb\' .173.t...1Iti'.i..t'rsiits.

isIrotp (it' Ri'vs in tltt'........ 24 Shtuchmitittf Nl ta V\it'it it o.iCtt. 'i liiit i 'tn ino h . 1

Suu 'lit oh 1,to lie iti 1rctipltin tt titl ';itiir'I .W .K r I " ..../...i............14 i g)31bolt.sv Of,................... 23 Sit'll.I11 itg, NIotlp t', Af the IClpIti AKSviti tit.' tiltN oit-Itl.t ill'trt t1

QSontekll (iN IIkicroscopic IC iteloui'si ttl at.''' lit Cl iit i'iii 1Ag tthelr Wt gilNvII Ia.' (aitl) .332IP ,% I I t '' Sugur Analsis AtW smipI ori of th i'kll)ptis ' I il-7

Som Nltmlodern Asie \ of6theIAmife ikt)ues- Ii'lid), useditt... ...... tt.n. t J AIlie1 .tct.t 'NIt iln k' (.irrgt.).12

Som e NeetI le iChage tn..... an Atl..il..-Sua,aNe .rcs 1 Ktttc.g. '".teIei. ..a ioscje (A.ttts)Valktiotis to Ilissical No,oettclatute. A. front Molasses .~b''lIt Errors itt a 1' ewItigILshi,Il"nittietIC. l)olliear.~~~~38 So" tr Cr) s~~Teliillegrp Nlatittt.Dictr oh, itt~IAttItr,Itan Sie Niocos

*SIteNess NIti tira Iub.caii% W.'iIt tlillW Sorl\\ttt141rtilt. v.... ..7.... i ( R gittns).MI1010 tJi sct).IVS..............:,332 'Stiklphitrie M\ott, Ioift, Af(let AIon of, tup- ItIt Iti'kI:.eiviio Niclith .'Iiall Whr xIlas

Sottle Nitt i iftisoria Enlotdunrishontalut iii.......ttti......1o aitl 'htiig Oh tlii' K.,tt'ill, Catgs.Micattd C Ranth it ..........S..ltIe . 3322 Sugattitr Anatysis A Dhit rif .on4ii killPNI ili.t's' N Y. ,1(IlIe\ ....... 112

S,onic Roertn Atutricats of1 irs1itt 1 'titt- Si t, hottdtt'uedAti iifEtimtt ingl tIic 21 Tilie ititih selti atCarlitile ).Bar-

tioitit eogeF.1Barker ....it.Oil 11.23 1 tItitIO ttIts. Bejm l .... 24I Educaltitin'alh evi'.erw .........f . 35Soutti eed,Chroagaii c 1', by ligitM itt Stitigatr 'i Atoi,tillw1'rlcssot Atm i,.. o lt I Aectr'it Lirtilr .igastit'ttA itiit7he

tiotisto'theN catueoNum..ncla.u .. 271 frtils' 1 oulitt .... .....of.2) (Ii Er sogl.319wEgis,FricSoiil D\olbartaC.ti...'.ItI.... tat,...2I,' Sunar, Crysta'tcltiSttliza'le ol tI ur... 3o 7 'li'mitAm irisa SailI.g tieM cofscoptsSSiiNew.Mn.r. L.c 258s. '\\"IIiisttl Sut' giI I rI loit ' I I'is)............ goR tryI, Ci..V..ty.. ... 'ss..is) - 33I2

ititith I 'tillagatott,'liar Ii's V~. Sin nc'/.8 Ii s V.ti o'it's.235ltaiisoic I't'i' -l'y.2.1ra II i roitsIl ttfistitlir.. tti... ih......'.. 'tIn' Cit tit til\:nt- K.,/tr,~ss .it N iltcSpasmit Aecttnutu S.tt in. the EyeIs. 212 Scti's 'iit C C Iitti 2 3 1ittk-l N ss i iiits, NIY." 'Julin)....12Jlilicroscopists.8 Sss itt 's I'on~~~~~~etr.\.k ltilt f. .......'8 IleN i ttie(sc s' t .s it) 7

Sop./Recn t Aiis.144.il 1.15m 14 Stil liiitts tnt At.\ioi. o. oil'a 'tte . I2,37 ' 'Ihi Indite Schot ii tCand t er- Barg.SpecivesA1'piato''Y(Sou"h). Wl 23 SsititiigitghulAtcterf iinr'sies .30mca rackNi (Goiht Du......s...-2.152

Spetfictt Properties of Substanc....s, the- Cthmpoztindi/.............z.209 I'l'hll, ic Prensoprists Anfa '..36.....7Soundction aatoo f, the.139l 'Stiviusli, 'I lite Fcisure of, toitl Bri ot 'She i_erls ofSoilrrLi tco., N. C.'Spectra, .On.Multipe..(.).27........0. 218 1 ltae Orang.3t,329 i(Lesseis).

~~, . ( t II)Si'n.'.l,a.222 'I'~~hueIltotndofrv tIinoi" ( MiAdnts)Spcrosc aniNoties,on ciratiot,0 ycotuntyot he serera tltoeo...a.i...28CoitiAittlySa,17.80 .A Sthin, I)onuestp Ca . G7 heNtii f I'INor . 3

.....o............1250 Sy IMo41iiot, the eLganr I)i.tottt j. '' 'Iit'YNeOsVAtiCYof (I.tie\ itoa.. 3SpectroshcoickerS .Tu heso thteSti,it 'ti- I 'u'rt.u) ... iti J mm'ii liiNIroteCuret'KII tall)h

duti tia ProtgtheI )tevao' ofaries 307 'U' 'I'ht'........hurt. tilt. ot ..............ine.itt

SicC irltiyitt........t...............;i...s 2107 Ii,m M t- il rS ti() . . 'Iitl I Itti I' XrIl)II 1ieI.1"I\ittt .75t

Spasmtiti0fA c ota ti i ltil'' Y'I OfS'A it"hcOllt-1.tE_tte arn rdt.....h.s tde0ot ........t3onyShuoss ingEvidette ut Iturinsie "it I' iie n Ilkutt'lIe's itteat . t) 'lin elKstnseS)"tIl .ndeIs C?-in S ItIora,..t...t.fr.nt.t.t...P1anit . 8314 t asi Cnteter \\sns11 7,27sc C s.1

Spe ictriont of'thie, ot.......i.'s.Co..t.. 2839 Y'lviusl , 1)a'Ili F issr An,intas10theOptiif Ili ieal C iicesofSurC ot. eN .C i-Spencer.arlOf,I1tpIch o1 27,on)14. teOrtiAg..icu.......,.a.61529 e " Ls.s.........332

lure.3y!ir C A Taxidcm inmerticCat.............37'I'ih NtileOriif IpCcies" (lihri)....... 2374

INDEX. 343

"Theory of Pri!nifive Demiocracy in thte TrachIiinw'.34 Value of Bisupiphide of Carbon in Mlicro-Alps " (Ross)............112 T'richwnse'ds.'......... 34, 44, 45, scopical Definiition .........29

"'Thflc ekdunicul.tr TIractsof thec Anthro- "Traite~du Microscope," (Van liltrurk) 23 "Vanadium in Il'hilAdelphia Rocks."poid Apes'" (Spitzka)....... 25 IIransformationi of IPlanorbis. Alphteus; (Lewis) ..............332

"4The Pllacenta and Generative Appara- yvaltt..........(1) 138. (II) 196, Vaucheria..............."17tus of the Elephiant'" (Chapnian)... 322 'lrans,-Neptunian Pllanet. Speculation Vapors. Experiment svihh....... 31

"'lThe Probable E'rror of a Single Ob- anid Plractical SeArCh for a ..... i67 Variable Star, A l'rubtbte..........~.. 317servationi at Sea. Deduced from the " Treatise oni Comparative Emnbryol- "'Varia'ions of Animals'aad PliantsOb)seivations of WV. IL. Bacon, ogy," (Blalfouir.) ................... 96 tutdcr D)omestication." (Darwin) 287Cuinard Steanmer, Sty/hia" (Rogers) 112 "Trials of F"ertilizers." (Storer.).... 81 Vai iations o1 the Co-efficient at'Espan-

"The Rt-cuirence of Cert;iin Gto!ogical Tlrichiin,L' in F'ish....................... in sin" Of GlaIs...................... 247Phenomena in Geological 'ile" 'Iricocvhhaluv fiipar...........303 Variations of thie Fixed l'oints of Meicu-(Ramsuy)....................172 7Irifol/uum przte'.i;e .............o rial 'thlermoincteis, &C .......272

"'The Reignx of Law " (Ari.411)..:: ...229 Trig/,i.z Athdiwiha ............13$ Vegetabhle \Wa.x, A lI'.culiar........... s69""[h'l Relation of Medium P'owser Ohi- Tt-'-,no idris. ............ ............ x14 Velocity. The, of Ltght. .......202

jectivi.".toMicro.IBiology-(Laphlitn) i6o TI'iit/hinid/............. 13 Venus.167.263'I'nc Relationship of tie Carhonifer- 'luckiaiot' Nature andi D)i'tuihution of. Venus' Fly [rap ............21

Otis Eiipihuetiia to Living and( I'x- Mrs. MI. .1. 6V'oung)etrn o ..................6Vns.Siciu f259tinct Myvria pods' (Seud(der)....... 288 'Tuckahue, or Indi.in Itread.d ..12, 6o. 72, 262 le''5il318

'Ihlermio-Elctric Apparatus. R<. IIL Ri- Tuockahoc, or Indiain lirtaitt. J. I lowdtd Vernm. s, Ccrebral Gang!lia of........ 13[tloiit..................,............ 8 or. ..... ..... . 262 Vibrations of ILiquid F"imims A Simple

'Therino-Electric Elcectro-Motise ['ow. r. Tuhahzii/................ 17 l),.sice ftr Plrvjectinig thie. without aOnl thec, of- Fe~. anid Pi. ini vicun. C. 'I'uingstic A\nh',diide................... 3071 lt.IIs........,t. .................. 137

A. ~ ~ Iso l'utig',co-lloric Acid . . 2-47 Vihratitons of Pae Vitiratrd at theThermometters, Accur.acy In ......,.... 202 7ur-b,n1ili. RA'i/buni..................... 235 (Centre ....................... 157, 198'Ihlertoniomters, Caiu,!& of thte \'ariation ''T'urkev Red"......................... 62 V'i/oi'n. (Butuyric) ................162, 163

cof tihe Fixed Points of ..........224 ''Turnbull's Itlue "............,...... jo7 \'t'a.l"r,to -f. by IIa.cniei.... 12l'f'lit' Scientific English Readcr "We: 'l'urqItioi'.e, 'I'lie, of New IMexicu. It. Sd- Vinegar, 'l'ratnsformatuot of Alcuholic

sho0Ven) .............. 2961 ..titi.n280 Itiuid into ...................... 84llI'lie SiIsverCountrvof thie Great Southi 'uie's Comet.'ro, .....,.. 258 I'"'s, a, Spectruni Of........ 259

West" (Audersotin)................ 303 T%'[si-Iigl Of theAple 'I'ree . 62 Visual 'Telegraphy..................... 14"'[''he So-called Eincry-Ore front Cliel- Twss Kinids, 'Ihle, of Vivisection : Senfi- Vivisection. Iwo Kinds of............ 210

sea, Iletlici 'Pp.. D)el. Co., Pa.." section and Callisection. Burt G. "Varation Colotiie's for -siklv Schiool(Gentli)...............332 W\ilder........................ ... 2t0 Chiildr.'n." (Gov't D)oc.)...... 152

'['hie Soil Supply of Nitrogon for 'I 'sso Nesw Methods of Fighting Inijuri- Volemiic Ilieo ea Erhqaes and,1I'l.ints (Atwsater)............,... 112 otis, Insects. A. .5. Cook......212 V'ulcan.................270

'Ihli Solar Parallax for Meridian Oh- 'Tychio lirahle's Nesw Star.........274se-rvattoin of Mars in 1877" (East- Types of l'ottery. Edws'ad S. Morse.. 157

'leStilcius of oultritdo as aln tidica. Warner 0Ohscrvafory.................. 330lion -of I titelligtitice '((leeiir)..329 W-tstibUttr Olscs'.1ttorY .............. 283

-'I lie Surface Geology of llIiilad(elpliia Water Attalysis ......... 13. 20. 66atidI Viciniitv," (Lws ...... 332 Ulmic Ma'erias!s Plro(Itictd by die Action ''WV.ter Aitals sis, A Practical 'Treautise

Th''le Sysrtemttiic E-rrors of ilit' Green- of Acids upon)1 Sugar.........319 () the h'xatriitation of P'otahlewicli Right AXscenistiins of Sotitlicrit Ultra-Violet Ratys............307 WVt!er " (WVtnklyn and Chpipmani). 20Stir. Otb.tsethe betssccni8i186 antd ('mbriel ................i63 %%Water AnaIy.cis for Sanitary Itluroo~!c%i831.'' (Roger.).......... i Uiitouriii 'l'itto.. Ori-nornd 'Stotnt......... 13 ssithlihints for thet Interpretationi of

"'I'lie Tertiaryr,Ag.' of thje Iroii Ort's of Vlite,l States Coast Sttrvey .......... 52 Results " (Fratikland)........ 20the Lower 'Siliiriatn Limiestonie Val- United Staites Cornitissiuner of Edu.:a . Water Jetsi a. a Souirce of Electricity 84heys.." (ILewi.) ......112 tiott, Re1 trt of, 1878.........285 WVater, Mlethiod of Deterniitiiniig the

[lie Thleorv of SoundI in its, Relation Uiiltlwd S-tates Fish Comlinissioti, 79' 191. 'I timporary I 1.trdltt"ss of.......331to Mlusic," (Blascrtna)........271 213. 233. 235, 241 Water, Perfor.itiottof Zitic Cisternis and

'Itlie 'Trttiton Gravel atnd its Relation I 'nite(i States Marine Hlospital......52 ('oi rosion i)f L..ad P'ipe-S by.....~.. 296to thie A\ntiqjuity of Nlati"- (L.ewis)., 332 UttiiteI States National Mustuin....... too XV1ater Plattts, Respir.itive l'ouwers of.,. 12

'['lie Valuattiotn ot Intd:go.'' (Nortoni),. 1 ,Utiited States Navail Observatory. t. W,ster Oiisel........................... 267'I'lie Youtt Ccii.' (A\pphetoli). ... 212 90, 152, i53, 250, 277. 279, 305. 318, Water Supply of Cities. IL. C. ILI 11cr-

ihi's.:,XVfienliscsere.,.,........ 283Urited tates Observatories .......9 Watur, Sptcrtrum of.. . . .............. 107T'iaropsis in,diias........,............. 64 iVUtited 'States Signal Service Water. L. stial Atniount ot, itn Mlilk.,. 12'Tital Theoruiy of1 the F"ornus of Unity of Naitttie, '[h.Duke of Argyll. \\'tt~oni 1'rof. Jlatnes C.. I)eathi of..... 270

Comeits,'' (Less is) .,...,..,........- 12 .. (I) i8i. (11) 228, (III) 267, 280 Wa',tsotn. Prof. .1. C. Mtinor I'lattets D)is-'['ide P'redicting ;ACehiiti'......,........ i(i6 Univt'r'sities atid Colleges in the Uniited covete(i by. .283, 305

'l'ime Service of the liarsardI Observa. tUniversities, 'h'hic (Germaiat............. 179 Wseather Ittireati............,........., 249tory...........,,. 8o Unisersity of Te'XaS...........274 WVeiglht, S ixcilic (irisiIty Rattes of Ab-

'['ittie, 'I'tie D)i'tributfioti of........277 ''U anat andI Neptuntian Systettis Iiit-srtit,ati.ptiitofSndTI tue, Uttiforini .................,.. I3. vestigate-d ssithi the 26-in. Equtatorial in g IIc-t, (tf Varirous Ituildittg'lt, Elecctrified. A\dhitsive I~ower of.. 84 of the U. . Nis'. Ohs., X'i'ashing- Stones. Hihratm A. C tittitig....... 254

'liiiitiorth 'ar'iti,'' L.vssis) 332 toti." (Neweottb) ................i5 Wset noiIhrt iCmay'litiniitus Auiriutti., 'I'lue Cause of..,..., I14 'L raitia.'' (Ness Asi,r. jour.)...... 303 'Thle 'Traiistnission of 'l'ime Sigitals'I'm,. Occtiurrctice of ...........227~Uranus .............i65, 167. 263i b............ .................. 13'liii, Occurrence of, at Win7ilow, Me. 237 Urct, Determnination of, by sodiUtnt \Ves,ttihisDinttio if chine ............ 170'li/ania................193 1I lypobtotitlte .................... t88" Whieel hlug" 'I' i................. 5

'I itatiutoTetr.i('hilride, ompoud I Un j,'r'//e ..................... 215. 322 \sVhuite Sp(,'. s lie- on jupI)er. E'. hC.of, aind Iliospiiorotis 1'roto-Chbor- Uric AXcid. F"orinul for................ 79 flartiar, ..................... 294jide ............................... 307. t;rice Mai/otis 71 Spectrum of........ 259 .Wild.' DynaiottoMachine. ..............17

'[obacco Sittoke, 1Iroclucts Extraicted Usefuil and Noxious, Plants. '['J.Ilur- W'tinchut'stur 01 .crvatiOry .............. 2W2fi-ota ................:............ 72 riII............................... 223 'i'ninttckec's Comeit, 'I'lie Period Of...... 258

'['ongue, AXtiatony of thit, in Snakes and Use of Biroinine in thec Atnalysis of Sul- W%ith,drawal of halters by AhoxanderOtlter Rep1tites, and in llid(s.. ..... 234i pliites................2965 Agassiz...............326

'loungui itt Snakes aitd Birds," (Mi- 'Use, 'I'lie, of \Vax Cells itt Connection IlVolla /'ni/e............... ............ 194tiot) ......... .................... 112 ssithlt White! Zitic Ccninent for Fluid WVootdpecker, 'I[he 1,"sser Spotted....24

'l'oothi. litiniat, Sructuire of the.......i. I louns 'iibinI.Xatuly..iz Wol lphants............202Topiz..................96 Utilizaititon of Solar hleAt.......... .... 69 WVritinigs, Mlicroscopte Examnination cf.Tv,redo iaid ................. S U/ricua! is- ........................:... 263 ifor lie [)etection of F"org",ry ........ xbo

'Torrey B3otanicail CIlub, 'Il'le........... 3(t6 XX'yandttote G overnitmettt .1. \V. Posvell. 205Tom-ni"L,..................... WV)andottcs, '[lie. J. WV. lOwellI...... 137

7'o.rpneus/es .............. 45 Vs'aat/n/a .......... 6TIrache,i/i ............................ 714cia:liin.s,........ 87Xeoar.2229

344 INDEX.

Vellow Pine, Experiments on the Zodiacal Light, On thec Aurora and, of Zinc Occurrence of..Streingthof.M .15 -ay 2, 1877 .............. Zinc Process, Desilve'ri'zati'on..of "Lead

Yellows," The, of h'e 'Pe'a'ch"Tr'e'e. 'r Zodiaca! Light, Note on the ...... i8o by the...............J. Burrill........... z62, i91 Zeitschzift fUr Instrumentenkunde"... 2p' Zoology for High Schools and Col.31

YuccaMoh .136 Zinc, Copper Plating on.........96 leges " (Packard) .--::.....306Yucca, Notes on the Pollination of.... 136 Zinc, Electrified, Adhesive Power of.... 84 Zoque Language, The ...... 19

LIST OF AUTHORS.

Abbe, Clvln . ........24,alrItleY, E. t11 ..... 224 IBrnyton, A. W...... 272Abbe, E. .....9, 284, Itastialn, HI. Chuarltunt......... 1i8i) ltreatrly, WN. I I . ........6aAbbe, GeorgW'...... .....I1 llitudtlk'llr...... . S.....7 trenitl,1 Frdrc .21Abbott, C. C...........,I 193, a287 ltiiudriiiuiuol, E ........3%60$. . s88 lrewer, WVillianm Ht..........262. 2$4Abbott, H. L.. ............24 Baunigattner..............203 IBrewbter,- David........... 1"09, 247Adams, A. Wellington .........272 Heal1, W. J........z11 liroca, Plaul............. 62, 93Adams, John Quincy.......... I kIale, L.ioiLel S.......31, zi6, 150. z89 liruch,. 0. J...............320Adams, W. Grylls......132. 167, i69, 173: Beck ................257. 305 Brojgger, A. WV.3...........20Ader..................36 Bec(iuerel, A. C... ........ i8i 84 Brooks, WN. K ............. oAgassiz, Alexander, So. zo2, 109, ii, 14!, Beckter.................59 Birooks, WVilliam R ...........284

288, 314, 232. IBeilste-in.................324 Brown. David ............ 333Agassiz, iLous........49,109, 110, I i8 Biell, A. Graham, 14. lo9, III, 121. 123, Blrown, WN. Crowell ......... 6Aigre..................59 130, 166, 177, 200, 295, 304. Blrowne, Arthiur .............328Airy, George B............83. 233 Btell, Charles...............228 Browning, Johin............8,284Aiton, W................21 IBell, J1. G............. . . it, 6z Birog-hamn, Henry ............9oAkin, C. K.......178, 203, 204, 237, 2343 tient d Btu 29l3rhs.5Alexander, Stephen ...........29 ....3.1enedick.......... ..59 Biriike .................gAllaire, Octave ........... :881 Berjarnin,MN ..........a..24 256. 323 1llruish, G. J .......22, 96, i22, 123 262Allen, Berpjamin ...........0:: lBeninet, James L.............. 3c6' lBuckhiout, WVilliam A..........310Allen, Grant ..............82 lBenthiam, G............. . 71, Buge, Softos.............32Allen, Harrison...........112, 332 Berkeley, George ..........230, 260, Bullock, WV. H. .62, 209. 257, 293Allen J. A ................ 7 1crkek'v, MN. J............. 60 Buns"n, R. WN. 13 ....28, 315Allman, George J.........45, 64, i6 Bleinard, Claude ...........3 117ylltirnlhati, S. WN., 91, 122, 152, t,58, 165,Aniagat, E. H .............247 lBert, IPaul ...............117 I187. 2133,250, 318B.Amatc, L ................271 Bertleclot ......z6, i2o, 149, 260, 323, 324 Burql....................50Anip~re .1.............28, I40 btrifllin, 3...............93 Buttterfield, WV. Webster............... 7oAnderson, A. D .............303 Bertrand, Arnmand ..........88, 307 Byorly .................7Andrews, E3. .III IDorzelius, I. J3............30. 332AngstrdmnJ 27, 28, 304, 107, i;o Biesstel, F.W ..........124,125, 28-2Anthioiny,J.'N lit Besemer...............06o Cairns, F. AAppleton, Jolhn . 212 lcss.y, ('harkes k ..........248, 308 (anuiolle, A. 1'. de........... 71Arago....... ....... i8s 128 ljibik6v, N.1A............ 64 Cardvz-i, J.-I............ 332Argelander, F. W.A......125, 2.59, 317 Ilickmore, A. S..............12 Carhart, Hi. S............112, 137Argyll, 'l'he Duke of, 24, 33,99, 8,28 kkel lhmsX . 6Cretr William B...',9 2X44

267, 280. Blidwell, Shiellord ............304 Carlpenlin................271Arlandes, MIarquis d ...........~94 Btird, John ...............123 Cariington, H. B.............. 1Armstrong. W. G............99 Bisclioft......25, 117, 302, 303, 326, 328 iCarus, Karl 6 ..............308Ai terberg, A ............324, 32,5 B.ihop, H. R..............223 Ca.ndih.... ry . 8, 149Atifield, J ..........28, 29, 304, 105' Bissjiger ...............84 Certes.. x o8

Atwater, W.0.112, 233 ~~~~~Btio Brhomo319 Cervera, X'incenzo l''ty296Atwood, H. F..............209) Blzio, Giovanni.............319 Clhamb.rs................213Aubert, I............... 8z fBjerknaes................320 Chiandler, Charles. F........ 262, 284Auchincloss, Hugh ...........223, Bli6rnson ................320 Chiandler, S. C , Jr.......2,58, 259, 305Austin, E. P ..............,1 306 Bl1ack, Joseph .............i8 Channing ...............

Blackford, I-'.G . 7, 236 Chapman, E'rnest I'heophron......20Blackhamn, George E........i6i,i162 (Chapman, Hlenry C.....302, 322, 326, 332

Backhouse.............236, 283 Blake, Clarence J............134 Charcot ................5BWicon, Francis ...........249, 260 Blake, E'li W ..............34. Chlarnay.................47Bacon, WN. H ..............112 Bilake, Homer C ............III Chiester, Aihert H........I.~..6 3051Boyer.........149. 325 Blake, J. R ..1.............2 Chetwynd, Walter ...........lBagley, J. J.1- 60 llakeney, R. N ....... ..... Church,A............... 12Bailev, I.-. W .11............2 Bilaserna, Pietro.............27I Cicnkowski, IL.............12Bailey, W. W....... ......306 Blunt,T. 1.............. 4 lp,W li'iA .......... 6

Bain, Alexander~.............15BytN.H..............320 Clark, Alvan, & Sons, 90, 93, 122, 189,Baird. Spencer F. 18, 85, 127, 241, 235, Bioeck, WX................320 223. 251, 259, 330.

262. 308. 1Boiteatu.................47 Clarke, F. N%........III, 112, 123. 134Baker, I'lsomas R...........157. 398 Bioltoni, M aj............. 222 (.aus,,....,,.........,............... 308Lalfour, Francis M ..........97, 174 Bolzman ...... .1........ 64 Clausius ...............16, 340Ball, J. S..,......................... 331 Biond, William C.....................I CLi.vionJanmes..............275Ballo............... ..323,324 llonney, Thomas G . 31 Cao,Jh..............Ballou, William H.........213. 232 Hoscovich................ 33: Cle'venger. S. V ......112, 134, 235, 329Balsohn............... 307 Bioss, L....... .3........ 22 Clinton, Dewitt .............Bannister. H. M................... ... 235 Iltittger, R................272 Cobhold................10....iBarbeck, William..................... 332: Bouley..................xc8 Coev lu ..................235Barkas............95......'g Bourbo'uze.........94...... Cofein, J. Ht. C............2, 262Barker, George F., 102, 109, 112, 123, Boussaingault, J . 117, 224 Co.hn, F.................224

262, 321, 326. Biouvarcl.............. ............... i67 Colbert . ....,............. ... ... . 6Barlow, Wiliiam H...... ..70. 128, 333 Bowditch, H. P .................. ....8o, Bi Colgate, Robert. .,..................... 223Barnard, Edward E ....223. 293, 294. 318 Bloyle, Robert........,.....,........... 275 Col'u.do, Corona y ...19Barnard, F. A, P... ....288 Bradley, tJames ............123.I24 Colson, MI. A......................... 309Barrett, WV. C............... 10, 70 Bramwell... ,,..........,,.......... : 95 Columnbia, Thomnas B................. 59Barth, Adolphe............ 203 Branner,John C.............!....... 337 Common............... 9

INDEX.

Compte, Auguste ..................... 312Conklin, W. A .....................5t, 202Constable, James M .................. 223Cook, A. J ...................... III. 212Cook, B...................... 276, 277Cot k, Caleb ...................... IIICooke, Josiah P ...................... 79Colicy. L. F:...................... 233Cooper, Oscar H ..................... 273Cope, I.dwar(l D)., 17, III, 112, 141, 211,

262, 272, 288, 303, 308, 325,Cop)rlalld, 11. I....................... 272Copeland,-.li. f*................... 3'5, 317CoPe, . ...Josi.li... 123Cordl.r ... 154Cordiier ... 18Cornleitis ............ 129Coues, IElliott ............ 37, 272, 308, 323Couiloui ....... . 200Cowd(etn . 233Cox, EI 1.. .......... III, II2, 123Crafts, .1. M ... .... 188, 224, 247Cr.iig, I'lioinias.... ..... .... IIICrip. .284Croll, Jaimes ....... .,.... 96Crookes, ...... 32, 34. 58, 59, 200, 247Cross, Clhirlcs R. I12(ross. Richard A.sslitonn -.- -I

Donnelly............. ..... 221Doppler ............... .... 25Dorner, Herman. ................. 330Doty, William D'Oroville.............. i6oDraper, Daniel . ........... 249Draper, Henry...... 83, 90,9!, 96. 189,

223, 284, 304. 325.Draper, John W.,I6, 117,132,262.284, 288l)rex<ll, Joseph W............ 523I)rutmmond .... . ,,D)rever, .1. L. E: ............ 77. 305I)rN-Adilc, .1. . 57I )ubiat go. . , .kI )u C llilluI ... ......... 2)lufott, 11 . . ......... 8s

ID)i6 ing .......... 03, 205D)uluis......51lumontpallier...........'. X%X)unnldll;...... ............ 275D)unkin, Edwin . .................... 331Dunnin-, \V. F . 154, 294Duprc ..300Duvillier, .. . 272

Eads, Jasmes B .......... 233EarIl ........... . .241, 2421E;astnian, .1. R . 1, II2. 122%. %1:3 AlII . . . . . . . . .S.- Jo - .... ., . - . . . . ..... - I - - - w---

Cruiikshank ..............1 28 lEd-ird....... 307

8.............. Is....... I E.dison, TI'solni-s A., 5, IOI. I07,Cuiii1ing, George.............. ...... 119, 121, 150, I53, 164, i66, 177,

Cuinn iugbani, K. ................... IO 200, 277, 287, 320

Curie., .Jaques ............ I83, 260 gu(IeSton....... 223. 262

Curie, Plierre .......1 I88, 260 l;hirenberg. 7

Curric, Donald ............25 E,isuer ..........................I.50Curtis ............306 Ekunina, Marie ..................... 47, I88

Cus ...........133 k, IW........................... 223

Cutter ................. 81 1'Elliott, 1F>. B .......................1 22, I23Cutitiii, Iliram A ................. i6o, 256,,Elli, .\Alexander1..331Cuivier, Ilaron ........... i6, 251 Ellis, John .21

Elsier, .J. 84E(lhs.lrids, WV. if.....,, ... ..,.. II

j)i)n .......i. igbiann, eorge ........

"I ),il..0. ..ii i. .r..2L).l rt,1J. NI ............... . 9.t F A inanotl;ln,M1. (i................ ....

D le)l.. .. .. . .............. . . . . io* ,, *,,*tOIc evc.lll^r**...........................*3213l).ilingcr. 1. ............. 57, 122, 189 Etlieriilge, 1R. 1r. 71

l).Drling. \Villaim ............... 330 Ettinghiaus-n, A.. von .1.......... 64Dana, Jalames 1) ......... 284 At'alls, John ......... , ......... 331

Dattilew.k\.................31. E..... 31 Evarts, llertiianii C ........ 305

Daniell... .......... 13t)D);iniel.sen, 1). C ..................... 320

D.rr, N. W ......... * ...............3i .. .. . . . . . . .... I

I).Arict.274 Fa*ir.lday, Nlichiarl, 33, 84. 113, 129, 130,D).ir%ill, Charles, 15, 71, 117, 130, 172, 133. 17), 20O, 204, 238, 324.

17.1, 260, 287, 322. G .......................

D)au.ite. A........A. . , .,. 31 F.otoss., 0 ....................).1

l)Dalsion, (;eorge ................. 272, 2(0 Fatxoti, W teilr ........................ 3o$

D.isidsln, Hermian, I.................. 235 Fave.e .................. 83, 214

Davis, C. ................. 2, 283 Ft.datrb ....................... 7

Davis, R ..... 5 Cil. .... 330

Diisis, WV. 1I ............ 234 F:ell, George ....... 763,I 62, I63Davy, luliiplirey ............ . 18, 315 Fendler ................. 306Davy, Marie ............ 167 Ferguson. 2

Daskins, X\. Boyd.275, 286 Ferrdl, XWillia .................. I I Ix, i6

Dawbon, J. XV............ 130, 303 Ferris, Charles R .................. I60Daiy ............ I32 Field, Blenjamnin H ................. 223

De II.iry ............ 24S ................... 17

D)ebove ........... .......F........... s l isber, .1. I I ................ i, 162

rank MI ....... 332 Fitill, .John .................S

I)efre-ne, 'I .......1 I Fitz ................. 8Iielaichanal,n ............ ......... 18S 1 .............. 3I6Dela tin ii.,26 Ilnitimarion .31

De Ixe.vcps..oS Fl minsteed, Johin .123D)eloyne .23 Fleck, .296

Deleaulx.1.4 I leiming, Samuel. 311

D)inircis, Pu1. .9.14 Fletcher, Thomas.48Detiiiing, XV. F .236 Flower, XW I .. 5

I)enieft ........................9......23 Floyd, Richard S ......................i8Dpuollilly, R( ................. 323 Fol ................................... 97

)el)oUlilly, 1, ........-.*.*.*.-...- 323 Foud, Fanjas (le St .... ................ I8Desains ....... 82 lFoord, .Johni .......................... 7

De Sit;issure ............ 173 Floote, I:. A .3-. . 132D)escartes .... 230, 280, 298 lForl)es, Geborge ....................... i6ol)esprelz .....1 12, 92, 170 Forbes, S. A .................... iIloev ille, Ste-Claire .........i....... 315 Forcanitiier .......................... 21

)ewar ................. .04, 107, 315 loril, Corydon I ...................... 26IlDewees, Watson W.................... 296 t .......................45, 259, 263Dickin-on, Ilenry Louis............... i8 o%lr, John ......................... 36

Dlie. ...................... 71 Irankland, ........................ 20, 21

*- ofer, .Josepb .................. 123150, Fre, S. ............................. 174

Donders ..................II5FsFreyberg, .......................... I2

345

Friedel, C ....... 07Fries. . 0 a 0 6oFrisby, E ....... 330Fritch ....... 251Fr6lich .......1 140Futchs, C. W ..... .................... i9Funaro, A ....... 307

Gafflild, Thomas ............I. , I8oGage, Sinmon 11 ..............112, 319, 330Galin, Gottlieb ............ 130(; ..illt. . ............. 82

.. .. .. .. .. .. .. .. ...... x28, I ct6(',,lva;ni.......................... 113

t ....l....59.... 59 114G-i;r(la ll . .. ..., .,.,, .* .......- .. 323Gtirtfieldc, 'ho as ..10Garland, . M ................. 8i(arman. ............ ................ 8oGaskell .......... .. 115Giasparin .......... .. I67GatKchet,A. S . ........... 286(Gaudrv ................. 17(Gaugain, J. ............... 31, 114Gauss ..124.2............... 124, 127(Gau icr .. .1........ II7Gay-Lussac .. ......... 244G;tvon.......... 36(;edes...... II7Gegenbauer .......... 251, 308Genth, F. A. Jr ..332(;hrl)er, N . . 3I9Gibbons, I,. N .......... 212Gibbs, Wolcott.. .79, 117, 262, 288, 289, 325Giffard, Henry . .......... 94(iilbcrt, C. H . . ......... 272Gilbert, Davies . ............... i8Gilbert, .. H ............ .-- .... 173(GblerJleeve, 13 ................ 29(;llI, ''lbeod(lote .2......72, 308( illmatn, I)Daniel C ........... 123(;intl, \V . . 307Glkitone, .3. I... 37

~~~~96GIiser, ilstse............ ........... 58(;IlsO11,S. 0 . . i6oGWocker.................256G(imCeb ... ..........2.. 243(Goo(dale, G. L. 1 79, It;oodl:ike, Fitncis.120(;0ooticke, .1- lil . ..................... 275Goodvear, A' .. .............. ItGaordlon, .1. E. II .15, 140 320(ot, .3. I loward . ................2....262GoNt"s(, 1'. ILl 68

Gouldi, it. 2;9G s)ulie'r ....... ..,,. .. . . .. . . . 84Gratbowsky .......2.. .....257Graebe, C .......... ..... .. 323Gr.ihain ........... ...... .... II7Graibe ... I66Gratacap, L. 1'.. 320(Gratiolet ....25, 51, 326, 327Gray, Asa ....... ... 79, I10, IIIGreen, F. . 283Griffin, A. B . . 296Gritfith, E:. H .I62, I63Groby.....5(;rote. A. R ....... ................ IIIG.rover ....... .................. 296Grovc, \N . . 184Groves . . ..... 324Grunow, M. . ......... 23Gtundlach ................ 7-7(Giin.ili.r.. ............... 284(;iisot, A . ............... 2621IIlbirshaw, Irederick ................ 224lia(lelich, W. ...................... 319flaeckel. . 286, 291Ilagan, I. A. .......... 8oflag n....n.. ..... 299

IIlailes, Williard ..... ......112, 187Ilaines, Reubenn........... 332Iabledeman, S. S...........2 88Islle . . 306Hall, Asaph, 2, 90, 91, 102, I09,111, 122,

123, I69. 189, 214, 250, 259, 274. 283,284, 309, 330.

ifall, E. -It.112, I64jH;.ll,Jac ... . 190, 262, 288, 290, 325Hall,J. .290

-

346 INDEX.

Hall, Maxwell ..............jHughes, Samuel ............. e7 Bon .................Halsted, B. D ........... 112 Hume. David ..............6o Le Conte, Jchn............ 284Hammarsten............. 117 Humphrey, WVilliamn..........i6o' Le Conte, Joseph .

Hamilton, David J.187 ~~~~~~Hunt,'r. Sterry.......262, 288. 303, 325 Le Conte, .........C..Hamilton, Willaim ...........260 Hutchinson...............71, Le Duc ................ 6Hammond, 11. H........... x6o, Hutton................i6, x8 "Cee...................276Hiammond, William A........19, 330 Huxley, 'r. II., 3, 20, 31, 50, 5r, 71, LeS.IHlanhach, G6.........9....36,.....4i 189, 247. 230, 302, 308 ,L.eggett, WV. H .............H'inel .7............... 327,. 328, 3 Leids', Joseph .......... 7 54, 33Ha ks, Hi. G..............24Hyatt, Al1 hcus.........138, 196. 308 Lemercier, F. G6.. ...........16

Ilannay ................12 II Natt, ..I.............62, 225 I.esleCy, .1. V%.............. 3r3llansen...............127, 167 hfyde. .1. S ...............94 Lesquereaux .89............gHldnstien, Christopher .........320 L.ethehy ................21llarkness, XXVillia:n ...... IIi 122, 123 Lethufler ...............hlarrington, Oliver ...........223 Ih.;en..................320 L,euret................So, Sthlartinan, WV. 1) ............332 Isel'ii, Adri.en..... 223 Leuwerhavk...............1hiart, C. I................317, lv.v, W. I................. 31 Le Verrier .........82, 96, 167, I&)hlartwig ................214 Lev Itt trier. 320)liarvtey.................20 L.e%v, Albert ..............Hastings, (C. S ............. i Jahichkoff...............46 Le%ssis, Ihenry Carvill, 112, 151, 164, j8o,Hatch,. C. I.............. 162 ,Jackson, Charl,'s T...........122 192, 332.hlaughton ..1...........I13, 114 ,Jacobs. F. 0.............. i6o Lick, .rn.153hlauser, G6...............329 .lahin, hlans ..............272 l):ck-; II. E .141 Iai'iy..................i8 ,Jdmei, TI. P ............... l i.e. Soft ..........I.......320)lII,swxlaunrst, I). C ............162 ,Jarren .......... ...82, 323 T,icbern,,ann .... .........324hlaydtin, F~. V.... -.........54, 3o8 ,Jn.eia,...1.....ig76, 84, 100, 173, 244Hazard, R<. hI............. 65 Jay ...................88 I.Iehrcich ..............114, 117Haz-n.................249 LJdvne, Hiorace F............38 I.lf rd .................6Heard, Edward.............275 .1uffcris, %'-. X.332.......... Linidlcs'..... ............60Hebert.................36 ,Jeffries, B. .Joy ....97...... 24Lindsy..................y.30511fe'kel, Edward.............318 Jenniniigs, Oicar .............5 Lhinneus................. 21He-drick, II. S..............i66, .Jcn,en, P. C.........0.....i .ippmman ....... ........

Hegel .................312 ,Jcrvis, .Johmn B .............35 L.iveing ...... .10.......I4 10lIfinrichi, IPlacidus ...........204 .Iesulp, 'Morris K ............223 Locke, Jolhn..............26Heis ..................317 .Jevonls................99. lid, Lockington, XV. N.... ... ... .. . .....68, 3321 leltmhtoltz. .. .81, 96, 114, 151, 203, 204, 205 .Iulbert .................317 L.ockwood. I). \%I............232hlenicierson, .1. G.. - -43, 112, 123, 257 -.lhinFon .. .............75, 2_i6 Locky-r, .1. Norman, 104, 177, 218, 296. 315I lenntessy................48 Jflnes ..................134 Lcy82lenirot................. oo, .Jord(ln,- David Starr........ 272 Lomnas, J-Tuhn...............72

I ltanry, .Joseih ...........III, i66 Joule, ,Jamn s Plrescott..........2; l.otibard................ 135lierold, ItI. IfI.........i..3 66 .Julien, Alexis A . 1,275 10ong ................. lhlersclit-1. John .1.......83, 247, 318 L.rinltn..................4;hierschel, WVilil'm ..........288, 331 L'otini-. Flhas .......249. 238, 325. 328

hlertwig................. 97K2a3hlorrir............................... 33 1.ohng140Heschli.................329lKeene, R.H11........... .............. 223 Lord, Nath-an \XV............ 6[l-ss..................96 Ke]lerinan, Christopher.........307 Lorillard, Pierre.............47HliLkok, Laurens P ...........313 Kellicott, I)- S .........xo, i6o, I01 L.overing ............79, 110, 114Hidden, WV. E .............120 Kendtrick, HI. L.............303 l .......I........g... 115Higgs, Paget.............. 102 K!r ......... .........133 l.tond, Edward .............84Hilgard, ,Julius E'........284, 288, 326 IKerr; WV. C..............13) J.ptont0t N. 'I..............,1 123Hlilgendorf ...............138 Kierntan, James G ...........235 Luther .................

Hll,, F. C................112 Kaibornie, F. L.............4 Luvani .................9Hill,' tionias........... III 1541 Killebrew, .1. B.............123 .uV.s .................I3Hill, WVill'aati B .............8i .Kiigsley, J. S ...........3o8, 332 Ly (lI, Charles ..........x6, 136. 136Hind, J. R............... 2744Kirat-loIf................2Hiirschi..................115 Kiika&dy...70I lir.st, 'I'homass A\............331 Kirkiin................ 309 M1 hbers, C. F..............112Hlitchicock, C. II..112, 2157, I\jvrullf Tlwodore ...........320 XI ad.tn WV. Ivison...........257

Illatclhcoik,I.............. 164 Kiaprotlh...............IS,io3 MNeat'1re.................IShlitclhcock,.1. R. V.9I'ietti, 1) ..............247. 272 Macla\..251Hitchcock, Romyn .........261, 271 Klein, hermian........... 203, 246i Maeliar ................223Hittorf, \\................ 81Kitobel.................213 Mfacloikie, George .........112. 136Illasiwsitz................203 Kno ...................132 \la-.!rcker.................295Hobbies.................260- Kochi..................II Maegiorani...............59Hodges, I). N............. i5i Kounig, George A ...........332, Magnus, H-ugo .............9

Hedgkinson..............105 Konitiick................325M a )o -, 'Ihto m as............itI offmian, F'rcderlck...........237i Konkoly ................283 Ma.in, .1. F.olIollliLister..............17, 2481i Kowsalew\skv ..............16 MIalsa.uti ................256Hi4stadIter............... 2_6 Krtoeg, .Jtuhius ..........49, 50, 51 Mhane. .. .280

luys................235 Kidhae .................117 MIallery, (Gatrick. ...........175, 203Hiolb.ook, \V. C ............112 Kujiilie.n, Ludwig ........85 10(0, 214 Manes....... . 316Hlodeman, S.-s............112 Kiip-, f,-n................73 Mantgailtf. P. 13. .37l[oldlen, IEIdward S., I, 77, 90, 91, 122, Kurhatow .3.... ..........24 Miann. B.I ...............43

I58, 250. Kiiis ................113, ii6 Marsfield. G. . 31Holder, J.-1I............ 6x, 223 Kiitzing................ 7NMaragluani..... 59Holntus, N ...............9 I Marangoni....36. 298, 299, 300. 301, 302Hookar, .loseph D ... .. .....71, lo9

L-d..................2 arcLagno .V188Hooker, Richard.260......2..Ma.c..ud..C.12Hopall .... ............76 Lad.'rburg .............323, 324 Mlarcy. 113, 114Hopkis ila . .2Lagrange..............124. 127 M1aruet.4Hoppe-Seyler .. 117 Lala dce................317 Markham . ................314Horni.................38 1..itdo(ouzv................59 Nlarouardt............... .325Hornaday, Widiainl T.. 37, 332 Lane. J.1 Homer.............233 Mlarsh, 0. C....17, 113, 262, 288, 322. 326Hlospital'er. .1..............lo103 L ogey. SZ. P .......122, 12,9 288, 325 Mmirsha.!. Johin............-331Hioughi, F. 1..... ........122, I23 L.ai.kcster, E. Ray.........34. 63. 64 NI.artin, IDaniel S . . 223. 275hloughl G;. %\............... i6- Lanza, Clarat..............298 Maitindade, Isam,c C ..--- ----332

hlovey, 11. C.. .~~~~~~~~~~12Lapnani, XV. 6r........x6o, i6t, 176 'M.mcort ...............82. 91iowe,H .............. I10 Laplace......58, 82, I1S, 123, 127, 128 MLi on, Otis 1 ........xi II 202, 203. 286

[toy. P;. R ........11......I2 1. Itiniore, S. A ...........43, mi Nia-ure .................320hluibard.. .2 Lauekert ...............22 . lta .290Ihidbnier.................324 L.avuisier................113 MIatIticci. ....,.... .11Hiuggins, Williaiim..........107, 33I Lealand.................. Ig Matthey, George........... 315

INDEX.- 347

Maury.i~~~~~~~~~~~~~~.12 Nobert...................o5 Quet.........247Mauri, F.~~~~~~~~~~~...307 Noble................. . 59Quetelet ................167MiaudIsley...............I15, 117 iNoebel....... ..........320 IQuincke...............84, 120Miawson, Joseph .3....7.. Noel...................I,M%axwell................ i5a Nordetnskjiild .............

M a y.132 Normant, George I .i64 Rachel. George W.......233, 237. 242M.wall.~~~~~~~~~~~~~234,Norris, .1.A........I......283 Radcliffe ................114

Mayer, A. NI.111, 122 ~~~~~~~~~~NortoniNV. N..........III, 139 Radenhlaus~en..............319Mfaver, Robert J............203 N~tig .323R...............7McAd1,'m1S, WVillian .......112, 134, 138 Ramsey ................172McBride ................. o Rand-, I'hicodore D ...........332McCalla, Albert ............i6o Odling,Williarn.......m.... . 33 Ranivier.................16NlcCook ................. OC....12.R.u..r....VOl3)7MIcCosh................291 Oliver, D)aniel ............ . 331i Ravenrl ................306McD)onald ...............241 Oln..,.St.ph.n.T.306 I Rtrdding, 11. B .............8McFarland. R. WV.90........go 6 Ordway, J. M1..........43, six, 149 IRedding, R. M............. i6iMcMotrtrie, William ..........167' Owen. 0. WV ..10 Redfield, .1. ItI.............332MNIcle1,an, 'I'lionias ......... I, 332 Owen, RichitrA (Tg). 71, 302. 327Res.1K.2Meliii C............... i88 Oweni, Richiard (U. S.).....112, 155, 22-6 Regnault................132Mendoels.ohn,B. ... 2.t Reichairdt, ...............296Mluilclid11,11. C. to( Reitinger................58Nle,n-geot ..........A.26o Packard, A. S., Jr .9.......7,251, 308 Reiiardl.................247Mengslirigglic, Vn der.... 299, 301. 302 Packard, A. S..............io Reolier, W. It.............102Mlcrreim.in, C. C.......70, 112, 22.1, 26(3 P'agct, .1 Ines...... .3....... 31 Re\verdin, I ............. 323

Merz.324.........i............R eyt4 j.r.8.1, 104MIever, Albert .1.......... lit, 2,2 Pale............... 7 RvVnoldi, Elmer R.....o....l0. 262Meyniert. T.............. si Palmer, Edlward..... ........79IR,rW.I. 70)Ndichel,oii, A.A............26:2 Plansch, A ..............25, 51 R .IIohn 1............271Mliddleton................ ..rke .2491 Richards, William ...........72.Mjiles..................249 Plarker..................329 Riclielieu................75Miller, 0................325; Pa'irkes......... ...... . 21 Ricelit, P)................ OMliller, W~illiam 'I...........112 P'arkmian................ 81 Riddell. .1. L...............305Mill, Johni Stuart ..........33, 260 Pa,rk.................. 316 Riddout, R. If .8...........Minot. C. S ..........111, 234, 308 I'Arolette, Mtodestco...........287 Wrii'an.................140Miquitel.77............... lParry, C. C .79....... . 301:ilev, (-. V.......94 112, 122. 136, 2212M ietihell, 0. M............ . Parsonis.................262 Ritmeii'house.............. I

Mirteistrap.~~~~~~~~~~~29.5Paciteur.......12, 77, 84, io8, 162, 163 Ritttr.................. . 841NliiCi11io'rVS..... ......... Payine, William W ...........295 1."ohinl.................306Iov Iler ,\xil..............214 Pleibod\ ................ 21)1 IRocIw%ood, C. G ............19Nlr.................2213 Pcirce. lItenija.sin...........79, 258 R,i)ciliies, X.............. 296

Mutir, Carl .2...........43. 24 1'cirut, c. S ...............288 Rodgers, john............ 2, 169Mohir, Friciderich.......... 203, 237 lYre..M.Rogers, 11L 1)..............89Mohir, Riclhard J .......... Iix, I1cirete, Jolohn ..... .........134 Rogers, I enry Raymnond ........230Moncel1, DIi...............36 ltI'ekpiniii .............. . '320 Rogers, .1.A..............283Mioiriie, Ciharles 1E1......112 I'vilini..........18o Rogers, W,liiamn A........52, 111, 112Nlio(re, AllIe V.(ii11 Ilii' ..14 ogers, Willism It., 1CX9,110, Iii, 209),

NI IC sclgs t.......... li .....mod .................. ~... 2 ,7. 2i.. .....3 6M oi pll .......I'i ., .... .... .... ...............ii

NIor-,M JKd.i\ 5. 11251... . I,.5...3..2 'c rion. ,m o , I)O v.112 i,~j,-8, tt

Mormon,V Her.26,28.04.....io..C I.2 o.s .A....74,19,274NIoseley.q7 I'lon...J.tmn..4, i6 Roth,C.331, A

Moseis, (;Otto A.......... 8j) I'ipcn-1t.153, '. 224..ot.ineryMonwds r S,11 .1151.117:.. Pickering,1 .dw. rd... 8,II 2,16 oir 'lmr e9Mort'llt. '1.72.............. 93 78er, 262 263F.. .31.... 2.22 5 1 Rose, I)e oI .........1913 325Murot,IleniryA......Jr.2889304 leicfre.C.I..... ........2472 Rumord.W ..... 7 8 9,237 238

Moulto.................132 ......t....A.33Nlmiilge, Benjamin I".iii I'lantaniour, Emil.263~~~~'i.I 9

NI mirchisozR.de... k.99.......... 24 I,Pieot1N.. ............12.11) S~1111)ge.83. ......

10,31 1ii ............. 2 Sd'r ledr.0

Ni -rJinies .1r..................... )17 lateau, 202, 20,2598 ti'i.3N.~,I............. . 112 fi'm e .......... .......i... 77 S lerb.C rt....................... 230

Nlurhsoti, Roderick. ........9 2.72 1 ...r ...........3.......211 Saims,N ii.........'........ . 8321Neiietok, W..l mongtdof....... .......2.1 -SIe....i.id..r ................. . 1122N1 eiery,.S.........B ....... . 2569 Poincer..'re..er ..ck..0 . ....i....o Salet ...............r.... 320

Ncwcomh, Simon,91,112, 122158,~~~~~~~~~~~~~~~~~~~~~alern,I................ -i6~~~, 167. 263. 284 lrite~~~~~oksllr........ ................ 1` Sciuc.ele.0Ncwtomi, II..\.... ,. . 262 ~~~~PI'rchor.231 . ...,.,. 6123 SA/tii hoorr.5.......... 96

Nacicthio...' .. ....I.112,o135 I' I'itdl.. ......114 Satdoesing,11.320............IsNichla,\\............ ...m ... I'm1omFiticr.......3407it Seimiii.z8iNtpilcrn 'lhiomies,or.. ....... limti, iu0mili3o ..25 S,"',iiil.114.............263,31

iNi%o'cIf.I............... 04Iij ................... 8, 1 SlMs',le................1.0Niplier, irailcis E.. 112 l'utn.tnm, Mary L. U . . 19 ~~~~~~~~~~~~~~~Sclmriters.256m...... ...

Schuchartt 19 Strasburger ....2 28~Wadsworth, M. 0Schulton ............... 8 Stroh ......... ..ot...... A Wagner ...........Schuster, Arthur.......... 105 Stromeyer ....94......Wait, Charles E. o........ ..

Schwatka, Frederick., . .288 Struve, Otto von ...........91, 259 XValdo, Leonard....... 1, 122, 2o2,Schwendener .......... ...248 Struve, W ...............125 Wale, George ..........o..Scott, Charles 'M............233 Stuart, Robert L............2231 Walker, Francis A...........Scudder, S. H......43, 44, 262, 288. 292 SUlliv'ant, J...............2241f Wallace, Alfred R ...........3Seechi.................129 ISuter, C. R ...............233 XV'alms1ey, WV. H ..........6,Seller, Carl ...........70, 112. i62' Swan ..............28. 36, 314, -Walton, G. L .............Selmi..................179 Swift,James ..........257, 284, 293 'Walworth, Ellen Hardin........Sepilli .59'............... Swift, Le'wis, 90, 9t, 189, 214, 223, 250, Wanklvn, J. Alfred...........Serrin. 251, 259, 330. 'Ward,.lamenrs V............Sestini, F ...............319 Wr,JnesW.........Sexton. L. R ..............6o WVard, Lester F ......112, 203. 2-10',Seymour, Frederic ...........x6o Tait, Lawson.......204, 205, 309. 310; Watsd, R. H....i6o, i6i, 212, 225, 261,Shackelford ..............123 'F'ainter, Sumn.r ........12. 130, 133 WVarner, It. f1............189,Shaler, N. S ..............8o, Tralot, Fox ..............48 Warren.Shiarp.................. 123 TlalImage............... 3i7 Wartha, AShairpless, Isa . 9.296 Tanner ........ ........19 W,evers, F~. 'I..

Sharples, S. P .112, 212 T. nipel . ~~~~~~~~~~~~~~9.258, 2q Watt rs, G. F.1 .

Shiaw, Ale-xander....... ....228 T'enniant, Smithison........... I3eXV'atson, james C..........283,Shaw, J. C...............235 'l'errrl11, A............... x8? WVatt", ,Iames.............Sheafer, P. W............88, 98 IThal6n .................07 Webvr, S. G6............I.Shiepherd. Chiarles ..1......... 'oThenard, M. P .............260 W\eh.aer, Frederic S ....... 3..Sherwood, Andrew...........29'2 'IhIiercelin ...............307 WLh,iter, John.............'Sherwori, Johin H ...........2223 'I'hollon,. L.............224, 307 WAeb%ter, N. 13._..........Shiiinn .J. L ...37 ,'Ihomison, William 1S, 25, 33, 109, 113, W\eidling .......... .....

Short, Sydney H ............i6o 114, xi6, 1i9, z66, 238. Wcisnian...............Siemens, C. William ........22, 1312 T'hompson, El'.izabeth..........44 WVclhavn ...............Siemiens, WVerner ........22, 132, 133 'Ilhinmps.on, Wyville...... 287 Wells, Saniiuci............112,Sigerson................9 Thlorniton............... i8 W\enharn...............Sigshee, C. D.. . 314 Ihuher306 We'rgelanid..............Sillimani, 13......112, 262, 288, 289, 3-25 'I'liturston, Robert H..1....i64. 175, 224 Wershoven, F. G ...........Simon .................13 TIidy, C. MeCymo1tt.........20, 21, 31 \ethlSimnpson, George B...........290 lIiedeMAnn .............25,326 Wetmore, E. C ............Skinnier, Aaron N........283, 318, 331 'rillntaii, S. I..3.............P5 "\e)'l.Skraup, Z. H ..............307 'l'isserandi................82 Wheatland, HienrySloane, Jo'ini..............i6o l'odd, 1). 1' ................7 Whea'stune, CalsSnmileS.................296 'l'olles................. iou \\heeler, A. \\........... 112,Smiley, Charles XV............241 'l'oiter, .).M.... ..... , 202 Wht,W. G6.............Smiith, IrnitinnieAA........11i2, 137 Toittiel, 1'I.....323 Whitney, ILeonard...........

Smitih, (Gerard.51...........S TraijIlI........-....I....30" Wihl.s..............Smiith, Greene .............77 lTreadwsell.............. . 10 Wdi\imn ................Smiithi, Mrs. Greene...........77 Tr'Irul, ................247~\Viesettdanger, 'Flieodore........Smiithi, Hiamiltoni L., 7, 23, 67. 70, 74, lIrimible.................223 \Vgtter, 6;.\.

i6o, x6i, 163, 225, 226. Tripier.................317 WVilder, lBurt G. 4, 49, 5!, 77, 84, XII,Smith, J. Lawrence ........9, 92, 123 Trowbridge, 3John.......io8, iii , 122 112. I4I, 200, 210, 236, 23!, 233. 317.Smith, Lee H..............i6o Tlrowbridge, XV. j)............. 3I9, 322. 330.Smithi, Willoughby...........132 'Trouv6................. ; WVilev. 11. X\\..............Smiithison, Jamies ............i8 TIrtimibull, J. Hamimond........ 26-2 Wkillc'ox, oehSmyth. 213 'l'uke-, H .................5 Williams, Hienry SSorby, II1. C............173-247 'I'ulk.................. 26 Williamson, Alexander \\'........Soret, C ................x88 Trupman.................. 5 Wilson.................Sower by .............34, 44-, 45 FIurtier. 8 Winchell, AXlexander.......303, 318Spaulding. Justin.. 7t) 'ltte,Aler H70, z6a, 162 ..t.h.llN H112Spencer, Hierbert...260, 309, 310, 3II, 313 Tyvndall, Jolin. 96. 1c9. i29,1i84. I89, 2(3 204 Winnecke............214. 283Spenser, Edmunid ...........263 Wirnsor ................Spitzer, F". V272 WVollaston, WV. H............'Spitzka, E. C. 73, 125, 134, 176, 202, perf, T. S ............ ~ Wo\'lf..................

233, 251, 303- Upe\af,olff, A................Spinoza ................i8Up on, Francis R ..... ....., 150 Wolff, E. von ........

Spottswood,William .~~~~~~ ~.pton, \\Xinslcw ..........112, 25'-) ........... I...Sptisod 'ilam ......... 33 Lrba,nitzky ............... 8 XWoo.ry . .H .......

Sprague, WV. 13.............I326 W o ...............SSpringer ....r.........96... ,Woodhouse ..............Staintoni, lHtenry T33I Woodward, J. J...........284Stearns, WV. A.............11i2 Wreden .......... 323Stee-le, .1. D)orman ...........2I2 Valz?.................. 9 Wright, A.X.Stein ................. 94 Van I lemionit............ . i.14 \\Vroblewsky..............StenlhOuse ...............324 V.an Ilitoreik, lHenri........... 23 WVitlner................Stephenson, Gieorge ...........0o Vanl 'ian............36. tfo2 \\'urm,. E'...............Steriiherg, George MI..1...2..1i7I Vanuxemt...........90... X,oWrt.1...7Stephenlsonl. J. \V29 Van Vieck, B. H.............272 Wyman, Jeffries ...........Stevenis, Fredterick XV..........223 Vail Vleck, J. MI............ IStewart, Balf".ur ......09..... o Van WVagenen, T. F...........140Stewsart, Charles .............i Varcune. , ugene.............307 Yarnell, MI..............Stieda........... ...251 Vautelet................ . 396areStillmian, J. M........... 8x, 89 Vaux, WS. S...............122 Y'arrow, H. C.............Stobla, F................307 Vega................... 1.21 Yolltnd ................Stocklasa, J.-----307~V'errill, A. E...............2332'Xoumiatis, E. L ............Stockwell, .John NI........... 8o Vierordt .................. s Youing, C. A.... iii, 122. 150, 259,26Stotddart, .1. L..............319 Vingorou...............x. . rI Yotm,C.nStodder, Chiarle-s.222....................ong.M. .1 .. ...........

Stokes. George G.31Vogdes, Anthonv W .......... 332 Yoing. thlomais ............S'tonle, E...9 223 Vogel.................. 2~3 Y ouigliusband, L...........Stonec, George 1II... .......112, 151 Vo-t.t........ ...... .........2Stonle, Orit"Onld, 13, 77,91, 102, 112, 122, Volta.................. ....... 113

1.,2511, 259. Von A\sten............... ti-,o irticke.Storer, F. II...... .X'.......8 on I lolger .. 03 Ziss...................Stowell, Chlarles li........... 201 Vorak, V. DU................ Z glter................stowell, 'r. It..............330 Vorce. C. NI..........16o, x6i, 193 Zitttel .................Stracliy, Richiard............ ...j31 Vrulik.....I....... . . 326, 3-8 Zollner ................