CONTENTS OF No. CII.— New Series. 



MEMOIRS: 



PAGE 



The Development of the Mole (Talpa Euro pea), the Ovarian Ovum, 

 and Segmentation of the Ovum. By Walter Heape, M.A., De- 

 monstrator of Animal Morphology in the University of Cambridge. 

 (With Plate XI) 157 



The Development of the Cape Species of Peripatus. By Adam 

 Sedgwick, M.A., Fellow of Trinity College, Cambridge. Part 

 II. (With Plates XII, XIII and XIV) . . . .175 



Studies on Earthworms. By William Blaxland Benham, B.Sc, 

 Demonstrator in the Zoological Laboratory of University College, 

 London (With Plates XV, XVI, and XVI iw) . . .213 



The Official Refutation of Dr. Robert Koch's Theory of Cholera and 

 Commas ........ 303 



