CONTENTS OF No. 202.-New Series. 



MEMOIRS 



PAGE 



The Origin and Nature of tlie Green Cells of Convoluta ro scoff- 

 en sis. By Pkedebick Keeble, M.A., Sc.D., University College, 

 Reading, and T. W. Gamble, D.Sc., Manchester University. 

 (With Plates 13 and U) . . . . . 167 



On the Development of the Plumes in Buds of Cephalodiscus. 

 By W. G. RiDEWOOD, D.Sc, Lecturer on Biology at St. Mary's 

 Medical School, University of London. (With 11 Text-figures) . 221 



On the Structure of Enigma senigmatica, Chemnitz; a Contribu- 

 tion to our Knowledge of the Anomiacea. By Gilbert C. Bolene, 

 M.A., D.Sc, F.L.S., Fellow of Merton College; Linacre Professor 

 of Comparative Anatomy in the University of Oxford. (With 

 Plates 15—17, and 2 Text-figures) . . . .253 



On the Chromatin Masses of Piroplasma bigemiuum (Babesia 

 bo vis), the Parasite of Texas Cattle-Fever. By H. B. Fantham, 

 B.ScLoud., A.R.C.S., University College, London, and St. Mary's 

 Hospital Medical School. (With Plate IS, and U Text-figures) . 297 



The Skin, Hair, and Reproductive Organs of Notoryctes. Contribu- 

 tions to our Knowledge of the Anatomy of Notoryctes typhlops, 

 Stirling. — Parts IV and V. By Georgina Sweet, D.Sc, Mel- 

 bourne University. (With Plates 19 and 20, and a Text-figure) . 325 



Parorchis acanthus, the Type of anew Genus of Trematodes. By 

 William Nicoll, M.A., B.Sc, Gatty Marine Laboratory, St. 

 Andrews. (With Plate 21) . . . .345 



