I N D E X .

Agassiz, Louis, Biographical Note, 90. Agates in Western Australia, 12. Ailsa Craig, Riebeckite from, 265. Ailsyte, Definition of, 266. Alethopteris lonchitica, Occurrence of,

in Carboniferous Beds of Loch Ryan, 111.

Allan, Thomas, Biographical Note on, 84.

American Oil, Production of, 71. Analcime with faces of the cube,

Localities for, 242, VI. Analcime with New Forms, 241. Analyses; Granite (Macadam), 394.

Natural Gas (quoted), 65. Porphyrite (Macadam), 401. Quartz-felsite (Macadam), 410. Rhyolite (Mackie), 460. Sandstones (Mackie), 448.

Andesite of Dumyat, 290. Anglesey, Occurrence of Sillimanite

Gneisses, 230. Anticlinal Theory of Oil Distribution,

60. Apatite in Cheviot Rocks, 402-409. Apophyllite from Cape Colony, 252. Applecross, Intercrossing of Boulders,

38. Volcanic Necks in, 35.

Arran, Notes on the Geology of, 268. Ash Neck at Philpstoun, 477. Australia, Western, Commercial

Minerals, 6. Geological Features of

the Coast of, 174. Goldfields of, 1.

Baku, Production of Oil in, 73. Basalt, Spherulitic, from Skye, 381. BELL, DUGALD, Glaciation of the West

of Scotland, 49. On the Orientation of Boulders,

108. Ben More, Mull, Minerals of, 223. Black Hill, Pentlands, Phenocrysts of

Micropegmatite in Felsite of, 483. Black, Joseph, Biographical Note on,

84. Borehole at Calton Hill, 254.

Borehole at North Berwick, 236. Boue*, Ami, Biographical Note on, 85. Boulder clay at Leith Docks, Origin

of, 315. Boulders, Intercrossing in Applecross,

38. Orientation of, 108.

Bowland Shales, Thickness of, 338. Boylestone Quarry, Barrhead, Anal­

cime of, 241. Bryce, James, Biographical Note on,

93. Bryson, Alexander, Biographical

Note on, 88. BROWN, CAMPBELL, On the Occurrence

of Gasteropods (Platyostomella Scotoburdigalensis) in a Lepidoden­dron from Craigleith Quarry, Edin­burgh, 244.

Buckland, William, Biographical Note on, 91.

Cadell, Henry, Biographical Note on, 93.

CADELL, HENRY M., The New Geo­logical Map of the Edinburgh Dis­trict, 15.

Petroleum and Natural Gas, their Geological History and Pro­duction, 51.

Notes on the Section in the New Haymarket Tunnel, 119.

Note on the Occurrence of Vivianite in an old Lake Bed at Cauldhame, near Linlithgow, 173.

Some Geological Features of the coast of Western Australia, 174.

A Visit to the New Zealand Volcanic Zone, 183.

On an Ash Neck in the Brox­burn Shale Workings at Philpstoun, 477.

Calton Hill, Borehole at, 259. Relation to the Rocks in the

Neighbourhood, 139. CALVERT, A. E., Western Australia

and its Goldfields, 1. Cambrian Rocks of Warwickshire,

231. 497

498 INDEX.

Cambrian Rocks of Merionethshire, 254.

Canisp Feldspars, 494. Canyons, Formation of in Volcanic

Ash, New Zealand, 190. Cape Colony, Apophyllite from, 252. Carbonia: Its Horizons and Condi­

tions of Occurrence in Scotland, 420.

Carboniferous Fossils of Viewforth, Largo, Fife, 488.

— Rocks of Arran, 270. - Rocks in Great Britain, Sub­

divisions of, 332. — Rocks of England and Scot­

land, Correlation of, 361. Caspian Sea, Oil Region of the, 62. Cauldhame, Occurrence of Vivianite

at, 173. Caves : Kent's Cavern, 21.

Mentone, 27. CementBtone Fossils, Occurrence in

Glacial Deposits at Moffat, 233. Chambers, Robert, Biographical Note

on, 94. Cheviot Hills, Petrology, 390. Climate, Feldspars in Sedimentary

Rocks as Indicators of, 443. Climate in Britain as indicated by

the Sandstones, 203. CLOUGH, C. T., and ALFRED HARKER,

On a Coarsely Spherulitic Basalt in Skye, 381.

Coulin Forest, Ross-shire, Valley Moraines in, 145.

Copper Mines of Little Namaqualand,

Copper Production of Namaqualand, 31.

Western Australia, 5. Craigleith, Occurrence of Gasteropods

in Lepidodendron stem at, 244. .Cretaceous Fossils of Moreseat, Aber­

deenshire, 277. Croll, Jame", Biographical Note on,

98. CrolTs Glacial Theory, 77. Cunningham, R. J'. Hay, Biographi­

cal Note on, 86. CURRIE,. JAMES, Notes on a Visit to

the Copper Mines of Little Nama­qualand, 30.

On an Iona Erratic, containing Withamite, 115.

The Minerals of the Tertiary Eruptive Rocks of Ben More, Mull, 223.

On Apophyllite from Cape Colony, 252.

Note on the Feldspars of Canisp, 494.

Darwin, Charles, Biographical Note on, 86.

Davidson, Thomas, Biographical Note on, 96.

DAVIS, PROF. W. M., Note on CrolPs Glacial Theory, 77.

Desert Conditions in Britain, 203. Devonian Period in Britain, Suggested

Desert Conditions, 219. Suggested

. Glacial Conditions, 461. Dumyat, Ochils, Hypersthene-Ande-

site of, 290. Dykes and Sills of the Cheviot Hills,

397. Edinburgh Geological Society, Foun­

dation of, 91. Edinburgh, The New Geological Map,

15, Earthquake, Hereford, of December

17, 1896, Enstatite in Cheviot Rocks, 392, 396,

409. (Hypersthene) of Dumyat, 291.

Erratic in Iona containing Withamite, 115.

Erratics in Applecross, 40. in Boulder Clay at Leith, 314.

n e a r Inverness, 417.

Feldspars of Canisp, 494. Similar Orientation of Ortho­

clase and Albite crystals, 495. Relative susceptibility to de­

cay, 447, 494. Degradation under humid and

arid conditions, 206. In Sedimentary Rocks as In­

dicators of the Conditions of Con­temporaneous Climate, 443.

Felsophyre of the Cheviot Hills, 403. Fleming, John, Biographical Note

on, 87. FLETT, JOHN S., A Hypersthene-

Andesite from Dumyat (Ochils), 290.

On an Ash Neck in the Brox­burn Shale Workings at Philps­toun, 481.

On Phenocrysts of Micropeg­matite, 482.

Forbes, Edward, Biographical Note on, 90.

Forbes, James D., Biographical Note on, 90

Gas, Natural, Composition of, 64. Gasteropods, occurrence in a Lepido­

dendron from Craigleith Quarry, Edinburgh, 244.

•INDEX. 499

Geological Society of Edinburgh, Foundation of, 91.

Glacial Deposits near Moffat, Note on the occurrence of Limestone Nodules containing Cementstone Fossils in, 233.

Striation in S. W. Ross, 39, Theory, Note on Croll's, 77.

Glaciation of the West of Scotland, 49.

Gneiss, Sillimanite, in Anglesey, 230. Goldfields of Western Australia, 1. Goldfield, Sutherland, Notes on the,

100. GOODCHILD, J. G., Some of the Modes

of Origin of Oil Shales, with Re­marks upon the Geological History of some other Hydrocarbon Com­pounds, 121.

Notes on the Minerals of the Hilderston Silver Mines, Linlith­gow, 201.

Desert Conditions in Britain, 203.

• Remarks upon a Recent Boring for Water at North Berwick, 236.

Notes on a Borehole through the Rocks of the Calton Hill, 259.

Geological Notes on the Ex­cavations at the Leith Dock Exten sion,1897, 312.

Dr Heddle and his Geological Work, 317.

Granite of Arran, 274. Age of, 276.

of the Cheviots, 390. • Analyses of, 394.

Granophyre of the Cheviots, 404, GREENLY, E., A Triassic Land-Sur­

face, 45. Notes on the Sutherland Gold-

field, 100. On the occurrence of Silli­

manite Gneisses in Central Anglesey, 230.

Incipient Metamorphism in the Harirech Grits, 254

The Hereford Earthquake of December 17, 1896, considered in relation to Geological Structure in t)te Bangor-Anglesey Region, 469.

Greenock, Lord, Biographical Note on, 86.

Greensand Fossils from Drift Beds at Moreseat, Cruden, E. Aberdeen­shire, 277.

GUNN, W. , Notes on the Geology of the Isle of Arran, 268.

Notes on the correlation of the Lower Carboniferous Rocks of Eng­land and Scotland, 361.

Hall, Sir James, Biographical Note on, 83.

HARKER, ALFRED, and C. T. CLOUGH, On a Coarsely Spherulitic ('* Vario-litic") Basalt in Skye, 381.

Harlech Grits, Incipient Metamor­phism, 254.

Hay market, New Tunnel, 119. HEDDLE, PROF. M. F., On Analcime

with New Forms, 241. On the Crystalline Forms of

Riebeckito. 265. The Minerals of the Storr,

328. Heddie, Prof., M.F., Obituary Notice,

317. HENDERSON, JOHN, On the Calton Hill

and its relation to the Rocks in the Neighbourhood, 139.

Hibbert, Samuel, Biographical Note on, 84.

Hilderston Silver Mines, 201. HIND, D R WHEELTON, The Subdivi­

sions of the Carboniferous Series in Great Britain, and some of their European Equivalents, 332.

Hlinik, Hungary, Phenocrysts of Mic­ropegmatite in Liparite from, 482.

Home, David Milne, Biographical Note on, 92.

HORNB, J., On Two Volcanic Necks in Applecross, Ross-shire, 35.

The Intercrossing of Boulders in the Applecross Mountains, 38.

Note on the occurrence of Alethopteris lonchitica in the Car­boniferous Beds of Loch Ryan, 111,

- Note on a Band of Fossilferous Ironstone in the Cambrian Rocks of West Ross-shire, 113.

Obituary Notice of Hugh Miller, 132.

On the Relation of Valley Moraines to Underlying Strata in Coulin Forest, Ross-shire, 145.

Howarth, Sir Henry H., Flood Theory of, 21.

Hutton, James, Biographical Note on, 82.

Hyalithes Sandstones from Nuneaton, 231.

Hypersthene-Andesite from Dumyat (Ochils), 290.

Intercrossing of Boulders in the Apple-cross Mountains, 38.

Iona, Occurrence of Withamite in a boulder at, 115.

Ironstone, Fossiliferous in the Cam­brian Rocks of West Ross-shire, 113.

500 INDEX.

Jamesoo, Robert, Biographical Note on, 84.

Jardine, Sir William, Biographical Note on, 89.

JOHNSTONE, JOHN T., Note on the Occurrence of Limestone Nodules containing Cementstone Fossils in Glacial Deposits near Moffat, 233.

JONES, PROF. T. RUPERT, JAMES W. KIRKBY, and D R JOHN YOUNG, On Carbonia : its Horizons and Condi­tions of Occurrence in Scotland especially in Fife, 420.

Kent's Cavern, 21. Kimberley, Cape Colony, Apophyllite

from, 252. KIRKBY, JAMES W., PROF. T. RUPERT

JONES, and D R JOHN YOUNG, On Carbonia: its Horizons and Con­ditions of Occurrence in Scotland, especially in Fife, 420.

On the Occurrence of. Car­boniferous Limestone Fossils at Viewforth, near Largo, Fife, 488.

Kitchen Midden at Port Nolloth, Namaqualand, 31.

Kugel structure in Dumyat Ande-site, 293.

KYNASTON, HERBERT, Contributions to the Petrology of the Cheviot Hills, 390.

Land-Surface, A Triassic, Biographi­cal note on, 45.

LAPWORTH, PROF. CHARLES, Note on Cambrian Hyolithes Sandstones from Nuneaton, 231.

Lauder, Sir Thomas Dick, Biographi­cal note on, 89.

Leith Dock Extension, 1897, Geologi­cal Notes on, 312.

Lepidodendron Stem, Occurrence of Gasteropods in, 244.

Occurrence of Ostracoda in, 422.

Loch Scridain, Minerals of, Volcanic Rocks of, 226.

Logan, Sir William R., Biographical Note on, 86.

Lycopodites in the Old Red Sandstone of Scotland, 379, 371, 368.

Lyell, Sir Charles, Biographical Note on, 92.

Lyon, George, Biographical Note on, 93.

Macculloch, John, Biographical Note on, 89.

MACKIE, W . , The Sands and Sand­stones of Eastern Moray, 148.

MACKIE, W. , On the Laws that govern the Rounding of Particles of Sand, 298.

MACKIE, W., The Felspars Present in Sedimentary Rocks as Indicators of the Conditions of Contemporaneous Climate, 443.

MACNAIR, PETER, and JAMES REID, On the Genera Psilophyton, Lyco­podites, Zosterophyllum, and Parka decipiens, 368.

Maol nan Damh, Mull, Minerals of, 223.

Melvin, James, Biographical Notice of, 286.

Mentone, Caves at, 26. Metamorphiem in the Harlech Grits,

Incipient, 254* Micropegmatite, Phenocrysts of, 482. Millerj James/ Biographical Note on,

84. Miller, Hugh, Biographical note on, 88.

Biographical notice of, 132. Minerals associated with Gold, Hau-

raki District, New Zealand, 186. , Commerial, of Western Aus­

tralia, 6. of Ben More, Mull, 223. of Rudha na h-Airde Glaise,

Skye, 253, 331. of the copper-bearing district

of Namaqualand, 33. of the Hilderston Mines, 201. of the Storr, 328.

Minerals— Agate, 227. Albite, 495. Analcime, 226, 227, 241, 330. Annabergite, 202. Apatite, 292. Apophyllite, 227, 252, 328, 329,

331. Augite, 292. Barytes, 201. Bastite, 295. Celadonite, 225, 226 Chabazite, 226. 329, o30. Dolomite, 201. Enstatite, 291, 392, 396, ^09. Epidote, 173, 224, 226. Erythrite, 202. Faroelite, 227, 328. Galena, 202. Gyrolite, 227, 328, 329, 331. Haematite, 226. Heulandite, 225, 330. Hypersthene, 291. Labradorite, 291. Laumontite, 329. Levyne, 330. Mesolite, 227, 328, 330, 331.

INDEX. 501

Minerals— Murchisonite, 267. Niccolite, 202. Olivine. 388. Onyx, 330. Orthoclase, 483, 494. Pectolite, 227, 331. Plynthite, 330. Prasilite, 225. Prehnite, 226. Quartz, 226, 227, 267. Riebeckite, 265. Saponite, 225, 226, 227, 330. Scolecite, 224, 227. Sphserostilbite, 329. Stilbite, 226, 227, 328, 329. Vivianite, 173. Withamite, 115.

MITCHELL, DAVID, TheGreensand Fos­sils from Drift-Beds at Moreseat, Cruden, E. Aberdeenshire, 277.

Moffat, Occurrence of Limestone No­dules, in Glacial Deposits, 233.

Moraines Valley, Relation of, to Un­derlying Strata in Coulin Forest, Ross-shire, 145.

Moreseat, Aberdeenshire, Greensand Fossils of, 277.

Murchison, Sir Roderick I., Bio­graphical Note on, 92.

Murphy, William, Biographical Note on, 93.

Namaqualand, Little, The Copper Mines of, 30.

Neill, Patrick, Biographical Note on, 85.

New Red Sandstone period, Desert Conditions in, 218.

of Arran, 272. New Zealand Volcanic Zone, A visit

to the, 183. Nicol, James, Biographical Note on,

97. Nicol, William, Biographical Note

on, 87. Nossen, Saxony, Phenocrysts of Micro­

pegmatite in Quartz-Porphyry of, 487.

Nuneaton, Cambrian Sandstone of, 231.

Obituary Notices— Prof. M. F. Heddle, 317. James Melvin, 286. Hugh Miller, 132. William Pengelly, 74.

Oilfields, Geographical and Geological distribution, 53, 54.

Oilshales, MODES or ORIGIN OF, 121. of Broxburn, Succession of, 18.

VOL. VIT. PART IV.

Old Edinburgh Geologists, Biographi­cal Notes on, 81.

Old Red Sandstone of Arran, 268. Plants of, 368. Relative age of its Sub­

divisions, 378.

Page, David, Biographical Note on, 92. Parka decipiens in the Old Red Sand­

stone of Scotland, 368, 374, 379. Patterson, Robert, Biographical Note

on, 84. Peach, Charles W . , Biographical Note

on, 95. Pengelly, William, F.R.S., Bio­

graphical Notice of, 74. Permian Period, Desert Sandstones

of, 218. Permian Rocks of Arran, 271. Petroleum and Natural Gas, 51. Petroleum, Composition of, 56. — : — Origin of, 58.

Production of, in America, 71. Production of, in Baku, 73.

Phenocrysts of Micropegmatite, 482. Play fair, John, Biographical Note on,

83. Pneumatolytic Action in Mull, 228. Porphyrite of the Cheviots, Analysis

of, 401. Porphyrites of Dumyat, Ochils, 295. Psephicity of Minerals, 302. Psilophyton in the Old Red Sandstone

of Scotland. 368, 369, 378. Psilophyton, Lycopodites, Zosterophyl­

lum, and Parka decipiens, Affinities and Distribution, 368.

Quartz-felsite of Cheviots, Analysis of, 410.

Ramsay, Sir Andrew C , Biographical Note on, 97.

REID, JAMES, and PETER MACNAIR, On the Genera Psilophyton, Lyco­podites, Zosterophyllum and Parka decipiens, 368.

Rhind, William, Biographical Note on, 88.

RICHARDSON, RALPH, Kent's Cavern and Sir Henry H. Howarth's ** Flood *' Theory, 21.

Obituary Notice of William Pengelly, F.R.S., 74.

Old Edinburgh Geologists, 81. Obituary Notice of James

Melvin, F.S.A., Scot., formerly a Vice-President of the Society, 286.

Richardson, Sir John, Biographical Note on, 85.

Riebeckite, Crystalline Forms of, 265. L

502 INDEX.

Hose, Alexander, Biographical Note on, 92.

Rudha na h-Airde Glaise, Skye, Minerals of, 331.

Sand, Laws that Govern the Rounding of Particles of, 298.

Musical, Localities, 31. figured, 210.

and Sandstones in Eastern Moray, 148.

Schists of Arran, 268. Scotland: Geology, Mineralogy, and

Petrology of— Aberdeenshire (Cruden), 277. Argyllshire (Iona), 115.

(Mull), 223. Ayrshire (Gurdy), 440.

(Ailsa Craig), 265. Buteshire (Arran), 268. Dunifriess-shire (Moffat), 233. Edinburgh, 15,119,139, 244, 259,

312, 361, 483. Fife, 17, 420, 488. Haddington (Dunbar), 361.

(North Berwick), 236. Inverness-shire (Skye), 253, 328,

331, 381. (Inverness), 443. (Strathdearn), 417.

Linlithgow, 173, 201, 477, 481. Moray, 148. Renfrewshire (Boylestone), 241. Ross-shire (Achnashellach), 113.

(Applecross), 35, 38. (Coulin Forest), 145.

Stirlingshire (Dumyat), 290. Sutherland (Canisp), 494.

(Kildonan), 100. "Wigtownshire (Loch Ryan), 111.

Sillimanite Gneisses in Anglesey, 230. Silver Mines of Hilderston, 201. Somerset, Triassic Land-Surface in, 45. SOMERVTLLE, J . E., Letter on the

Caves at Mentone (quoted), 26. Somerville, Mary, Biographical Note

on, 94. Spherulitic Basalt from Skye, 381.

Spherulitic Structure, British Locali­ties of Rocks exhibiting, 382.

Storr, Minerals of the, 328. Strathdearn and the Aviemore Rail­

way, Geological Notes on, 416. Sutherland Goldfield, 100.

Tertiary Rocks of Ben More, Mull, 223.

Torosay, Mull, Minerals of, 227. Torridonian Period- in • Britain, Sug­

gested Desert conditions, 220. — Suggested

Glacial conditions, 461. Tourmaline in Cheviot Granite, 408,

393. In Cheviot Granophyre, 404.

Townson, Robert, Biographical Note on, 84.

Triassic Land-Surface, 45. Period, Desert Sandstones of,

218.

Vivianite in an Old Lake Bed at Cauldhame, near Linlithgow, 173.

Volcanic Neck at Philpstoun, 477, 481.

Necks at Applecross, 35.

Walker, John, Biographical Note on, 84.

Western Australia and its Goldfield s, 1. Williams, John, Biographical Note

on, 84. WALLACE, THOMAS D., Geological

Notes on Strathdearn and the Avie­more Railway. Part I., 416.

Wernerian Natural History Society, 85.

YOUNG, D R JOHN, PROP. T. RUPERT JONES, and JAMES W. EJREBY, On Carbonia: its HorizonB and Con­ditions of Occurrence in Scotland, especially in Fife, 420.

Zosterophyllum in the Old Red Sand­stone of Scotland, 379, 372, 368.