iv CONTENTS. 



CONTENTS or No. 187, N.S., DECEMBER, 1903. 

 MEMOIRS : 



PAGE 



On the Anatomy and Development of Distonium eirrigerum, 

 V. Baer. By Ernest Wakren, D.Sc, Assistant Professor of 

 Zoology, University College, London. (With Plates 24—26) . 273 



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

 throuf^ii the Vertebrate Retina. By H. M. Bernard, M.A.Cantab. 

 (From the Zoological Laboratories of the Royal College of 

 Science.) (With Plates 27—29) . . . .303 



Tiie Bionomics of Convoluta roscof fensis, with Special Refer- 

 ence to lis Green Cells, By F. W. Gamble, D.Sc, Owens 

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

 College, Reading. (With Plates 30 and 31) . . . 303 



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

 Liverpool. (With Plate 32) .... . 433 



On the Modiflcation of the Eye Peduncles in Crabs of tiie Genus 

 Cymononius. By E. Ray Lankester, M.A., LL.D., F.R.S., 

 Director of the Natural History Departments of the British 

 Museum. (With Plates 33 and 34) . . . . 439 



CONTENTS OF No. 188, N.S., MARCH, 1904. 

 MEMOIRS : 



On the Dermal Fin-rays of Fishes — Living and Extinct. By 

 Edwin S. Goodrich, M.A., Fellow of Merton College, Oxford. 

 (With Plates 35— 41) 465 



The Structure and Classification of the Arthropoda. By E. Ray 

 Lankester, M.A., LL.D., F.R.S., Director of the Natural His- 

 tory Departments of the British Museum. (With Plate 42) . 523 



Some Problems of Reproduction. — II. By Professor Maecus 

 Hartog, Queen's College, Cork .... 583 



Title, Index, and Contents. 



