CONTENTS 



CONTENTS OF No. 261, N.S., March, 1922. 

 MEMOIRS : PAGE 



The Cj^toplasinic Inclusions of the Germ-Cells : Part X. The Game- 

 togenesis of Saccocirrus. By J. Bronte Gatenby, B.A., D.Phi]., 

 D.Sc., Professor of Zoology and Comparative Anatomy, Trinity 

 College, Dublin. (With Plates 1-t and 1 Text-figure) . ' . ". 1 



On the Development of the ' Enteronephric ' type of Nephridial 

 system found in Indian Earthworms of the genus P h e r e t i m a . 

 By Karm Narayan Bahl, D.Sc, D.Phil. (Merton College, Oxford). 

 (Plates 5-7 and 8 Text-figures) ....... 49 



The Occurrence of Situs inversus among artificially-reared 

 Echinoid Larvae. By Hiroshi Ohshima, Assistant Professor in 

 the Department of Agriculture, Kyushiu Imperial Universitv, 

 Fukuoka, Japan. (With 3 Text-figures) . . . . ". 105 



Note by Professor E. W. MacBride on Mr. H. Ohshima's paper . .140 



The Behaviour of the Golgi bodies during nuclear division, with special 

 reference to Amitosis in Dytiscus marginalis. By Reginald 

 James Ludford, B.Sc, Department of Zoology and C'omparative 

 Anatomy, University College, London. (With 4 Text-figures) . 151 



On the anatomy and affinities of Paludestrina ventrosa, 

 Montague. By Guy C. Robson, B.A. (With 12 Text-figures) .' 15<» 



CONTENTS OF No. 262, N.S., June, 1922. 

 MEMOIRS : 



The Gastric Mucosa. By Robert K. S. Lim. (From the Department 

 of Physiology, Edmburgh University.) (With Plate 8 and 1 Text- 

 figure) . ■ 187 



On the Labral Glands of a Cladoceran (Simocephalus vetulus), 

 with a description of its mode of feeding. By H. Graham Cannon, 

 B.A., Demonstrator in Zoology, Imperial College of Science, South 

 Kensington. (With Plates 9 and 10 and 2 Text-figures) . . . 213 



Surface Tension and Cell-Division. By J. Gray, M.A. (With 9 Text- 

 figures) 235 



On the Classification of Actiniaria : Part III. Definitions connected 

 with the forms dealt with in Part II. By T. A. Stephenson, M.Sc, 

 University College of Wales, Aberystwyth ..... 247 



On the Post-Embryonic Development of certain Chalcids. Hyper- 

 parasites of Aphides, with Remarks on the Bionomics of Hymen- 

 opterous Parasites in General. By Maud D. Haviland, Research 

 Fellow of Newnham College. (With 7 Text-figures) . . . 322 



Animal Chlorophyll : its Relation to Haemoglobin and to other 

 Animal Pigments. By John F. Fulton, Jr., Magdalen College, 

 Oxford .' 339 



