THE QUARTERLY JOURNAL OFMICROSCOPICAL SCIENCE

Joint Editors:C. F. A. PANTIN, Sc.D., F.R.S. JOHN R. BAKER, D.Sc.

Third Series, No. 22Contents of Volume 94, Part 1, March, 1953

BRACHET, J. The Use of Basic Dyes and Ribonuclease for the Cytochemical Detection ofRibonucleic Acid.

KRISHNAN, G. On the Cuticle of the Scorpion Palamneus sviammerdami.Hsu, W. SLANG. The Origin of Proteid Yolk in Drosophila melanogaster.CHAYEN, J. and MH.ES, U. J. The Preservation and Investigation of Plant Mitochondria.BELL, L. G. E. Some Observations on Mouse Spermatids.JOHN, B. The Behaviour of the Nucleus during Spermatogenesis in Fasciola hepatic.OWEN, G. The Shell in the Lamellibranchia.DIETRICH, M. A. A Histological Study of the Development of the Scales of the Largemouth

Black Bass (Micropterus salmoides).NAYLOR, E. J. The Structure of the Cornea as Revealed by Polarized Light.BACSICH, P. and WYBURN, G. M. Formalin-Sensitive Cells in Spinal Ganglia.WIGGLESWORTH, V. B. The Origin of Sensory Neurones in an Insect, Rhodmus prolixus

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VOL. XXXI, NO. 3 . FEBRUARY 1953. 3IS. 6d. NET

DOWT AS P. WILSON. The Settlement of Ophelia bicorms Savigny larvae. The 1951experiments.

D. B. CARLISLE. Notes on the British species of Trididemmtm (Didemnidae, Asci-diacca), with a report of the occurrence of T. mveum (Giard) in the Plymoutharea.

D. T. GAULD and J. E. G. RAYMONT. The respiration of some planktonic copepods.II. The effect of temperature.

H. W. HARVEY. Note on the absorption of organic phosphorus compounds byNitzchia closterium in the dark.

H. W. HARVEY. Synthesis of organic nitrogen and chlorophyll by Nitzchia closterium.

W. R. G. ATKINS. Seasonal variations in the phosphate and silicate content of seawater. VI. 1949 compared with the 1923-25 period.

W. R. G. ATKINS. The seasonal variation in the copper content of sea water.

W. R. G. ATKINS and PAMELA G. JENKINS. Seasonal changes in the phytoplanktonduring the year 1951-52 as indicated by spectrophotometric chlorophyllestimations.

W. R. G. ATKINS and F. J. WARREN. The preservation of fishing nets, trawl twinesand fibre ropes for use in sea water.

J. A. ALLEN. Observations on Nucula turgida Marshall and N. moorei Winckworth.

NORMAN MILLOTT. Observations on the skin pigment and amoebocytes, and theoccurrence of phenolases in the coelomic fluid of Holothuria forskali delle Chiaje.

GRAHAM HOYLE. Spontaneous squirting of an asddian, Phalltaia mammillataCuvier.

J. S. ALEXANDROWICZ. Nervous organs in the pericaridial cavity of the decapodCrustacea.

ROBERT F. HUTTON. Cercaria reesi n.sp., a new furocercous larva from Plymouth.

ABSTRACTS OF MEMOIRS. Recording work done at the Plymouth Laboratory.

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