CONTENTS OF No. CVI.— New Series. 



MEMOIRS: 



PAGE 



The Developmeut of the Mole (T alp a Europea). Stages E to J. 

 By Walteb Heape, M.A., Resident Superintendent of the Ply- 

 mouth Laboratory of the Marine Biological Association of the 

 United Kingdom. (With Plates XI, XII and XIII) . . 123 



On the Presence and Structure of the Pineal Eye in Lacertilia. By 

 W. Baldwin Spencer, B.A., Fellow of Lincoln College ; Assistant 

 to the Linacre Professor of Human and Comparative Anatomy 

 in the University of Oxford. (With Plates XIV, XV, XVI, XVII, 

 XVIII, XIX and XX) 165 



On the Life-History of Pedicellina. By Sidney P. Hakmer, B.A., 

 B.Sc, Fellow of King's College, Cambridge, and of University Col- 

 lege, London. (With Plates XXI and XXII) . . .239 



Dr. Dohrn's Inquiries into the Evolution of Organs in the Chordata. 

 By J. T. Cunningham, B.A., F.K.S.E. . . . .265 



REVIEW: 



Patten on the Eyes of Molluscs and Arthropods . . . 285 



