CONTENTS OF No. 259, N.S., August, 1921. 
MEMOIRS : 
The Proboscis of the Syllidea. Part I. Structure. By W. A. Has- 
WELL, M.A., D.Sc., F.R.S., Emeritus Professor of pele University 
of Sydney. (With Plate 15) ¥ : : 
The Life-history of Melicer dan MOC ‘euentaun m (Sars), 
a Leptomedusan with a theca-less Hydroid Stage, By Prof, JAMEs 
F, Gemini, University College, Dundee. (With Plate 16) 
On the Blood-Vascular System of the Earthworm Pheretima, and 
the Course of. the Circulation in Earthworms, By Karm NARAYAN 
Baut, D.Sc., of the Muir Central College, Allahabad, India, (With 
11 Text- figures) 
The Development of the Ovary sia Gatien Ege oft a panier. 
Anopheles maculipennis, Meig, By A, J. NicHoson, 
M.Se, (Birmingham), (With Plates 17-20) . 
On the Bionomics and Post-Embryonic Development of ses 
Cynipid Hyperparasites of Aphides. By Mavup D, Haviianp, 
Research Fellow of Newnham College. (With 11 Text-figures) 
Notes on the Larval Skeleton of Spatangus purpureus, By 
Hrrosut Ounsuima, Asst, Professor in the Department of Agricul- 
ture, Kyushiu coe University, Fukuoka, Japan, (With 
Plate 21). : ; ; : : : : 
CONTENTS OF No. 260, N.S., November, 1921. 
MEMOIRS : 
On the Classification of Actiniaria, Part Il, Consideration of the whole 
group and its relationships, with special reference to forms not 
treated in Part I. By T, A. SrepHenson, M.Sc., University Panes 
of Wales, Aberystwyth, (With 20 Text- figures) . 5 
The Development of the Sea Anemone Bolocera tuediae (Johnst. ) 
By Prof, JAmMes F, Gemini, University College, Dundee, (With 
Plate 22). 
Observations on the Shave fife ineleas aad its Determine 
By CuristiaAn CHAmpy, Professeur agrégé & la Faculté de Médecine 
de Paris, and H, M, Carteton, Demonstrator in Histology, Uni- 
versity of Oxford, (With Plates 23 and 24 and 11 Text-figures) 
On the calcium carbonate and the calcospherites in the Malpighian 
tubes and the fat body of Dipterous larvae and the ecdysial elimina- 
tion of these products of excretion, By D, Kerry, Sec.D., Beit 
Memorial Research Fellow. (With 5 Text-figures) ; 
The Early Development of the summer egg of a Cladoceran (Simo- 
cephalus vetulus), By H. Granam Cannon, B.A., Demon- 
strator in Zoology, Imperial College of Science, South pecaeeione 
(With Plate 25 and | Text-figure) : 
Studies in Dedifferentiation, I. TDetlifiersanacan salt TURpTON 
in Perophora. By Junttan $8, Huxtrey, New College, Oxford. 
(With Plates 26-28 and 1 Text-figure) : : 
REVIEW, 
‘The Microtomist’s Vade-Mecum ’, by A. BouuEs Les, edited by 
Prof. J. B. GATENBY 
INDEX OF VOLUME 65 
PAGE 
323 
339 
349 
395 
451 
479 
611 
699 
701 
