CONTENTS OF No. 187.-New Series. 



MEMOIRS : 



PAGE 



Oil the Anatomy aud Uevelopment of Distomuni cirrigerum, v. 

 Baer. By Ernest Warren, D.Sc, Assistant Professor of Zoology, 

 University College, London. (Willi Plates^k^26) . . .273 



Studies in the Retina. Part VI. — The Continuity of the Nerves 

 throu','h the Vertebrate Retina. By H. M. Bernard, M.A.Cantab, 

 (From the Zoojogical Laboratories of the Royal College of Science.) 

 (With Plates'^27-^'29) . .303 



The Bionomics of Convoluta roscoffensis, with Special Reference 

 to its Green Cells. By F. W. Gamble, D.Sc, Owens College, 

 Manchester; and Frederick Keeble, M.A., University College, 

 Reading. (With Platesl30 and^l) 363 



Trypanosoma in Birds in India. By W. Hanxa, M.B., D.P.H., 

 Liverpool. (With Piate'^2) 433 



On the Modification of the Eye Peduncles in Crabs of the Genus 

 Cymononms. By E. Ray Lankesteh, M.A., LL.D., F.R.S., 

 Director of the Natural History Departments of the British Museum. 

 (With Plates''33 ancf 34) 439 



