CONTENTS 
CONTENTS OF No. 257, N.S., December, 1920. 
MEMOIRS : 
The Structure of certain Chromosomes and the Mechanism of their 
Division, By Arrauur Bottes Les, Hon, F.R.M.S. ae 
Plates 1-2) 
On the Pharyngeal or ‘Saligeny Gland a the Rercehgroeat: Dy D. 
Kern, Sc.D., Beit Memorial Research Fellow. From the Quick 
Laboratory, University of Cambridge. (With Plate 3 and 7 Text- 
figures) 
Some Bieeretipas on Goad ese end eee ae in the 
Gecko (Hemidactylus flaviviridis, Riippel), with Notes 
on the Tails of Sphenodon and Pygopus. By W. N. F. WoopLaAnD, 
D.Se. (Lond.), Indian Educational Service, Senior Professor of 
Zoology, Mee Central Copeee Allahabad, India, ee: 6 Text- 
figures) 
On the Bionomies at Meweto ment * Ly gocerus fentacet 
manus, Kieffer, and Lygocerus cameroni, Kieffer, (Procto- 
trypoidea- Ceraphronidae) parasites of Aphidius (Braconidae). 
By Maup D. Havinanp, Fellow of Newnham College. wee 
18 Text-figures) 
On the Terrestrial Plbcavians fron te islands of Mawcitins aad 
Rodrigues ; with a Note upon the Canal connecting the Female 
Genital Organ with the Intestine. By Tox1o KapuraklI, Zoological 
Laboratory, The Museums, See bbe Plate 4 and 6 Text- 
figures) 
Gonospora ng Meat n. Sp., a teens inhabiting ite egg ae 
Arenicola, By Epwin S. Goopricu, F.B.S., and H. L. M. Prxett 
Goopricu, D.Sc. (With Plates 5-6) . A 
CONTENTS OF No. 258, N.S., March, 1921. 
MEMOIRS : 
The Eye of Peripatus. By Wittram J. Daxty, Derby Professor of 
Zoology, University of Liverpool; late Professor of Biology in the 
University of Western Australia, (With Plate 7 and 3 Text-figures) 
On the Development of Cucumaria echinata v, Maren- 
zeller, By Hrrosu1 OHSHIMA, oe Plates 8, 9, and 11 Text- 
figures) 
Observations on the Bratovan eranlia in nokictenk mopsis Rion 
Desn. Part III. Pseudo-trichonympha pristina, By D. Warp 
Cutter, M.A. Cantab. (With Plate 10 and 8 Text-figures) . ; 
The Cytoplasmic Inclusions of the Germ-Cells, Part IX. On the 
Origin of the Golgi Apparatus on the Middle-piece of the Ripe 
Sperm of Cavia, and the Development of the Acrosome. By 
J. BRonté GATENBY, B.A., B.Sc., D.Phil. (Oxon.), Lecturer in 
Cytology, University College, London, and Senior Demy, Magdalen 
College, Oxford; and J. H. Woopcer, B.Sc, (Lond.), Assistant in 
Zoology and Comparative Anatomy, University ese London. 
(With Plates 11, 12, and 2 Text-figures) E 
Further Studies on Restitution-bodies and free Tissue: Galtune in 
Sycon. By Junttan 8, Huxtey, (With Plates 13 and 14) 
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