CONTENTS OF No. 193.—New Series. 
MEMOIRS: 
PAGE 
Notes on the Structure and the Development of the Elephant’s 
Placenta. By RicHarp Assneton, M.A., Lecturer on Biology in 
the Medical School of Guy’s Hospital, University of London; and 
Tuomas G. Stevens, M.D., Demonstrator and Assistant Lecturer 
on Biglogy in the Medical School of Sai pee (With 
Plates 1=5):. ‘ : z : ; : ; 1 
The Development, Structure, and Morphology of the Scales in some 
Teleostean Fish. By H. W. Maretr Trims (King’s College, 
Cambridge). (With Plate’ 6) : : 3 : ; ; a etog 
On the Propagation, Structure, and Classification of the shee 
Spheromide. By H. J. Hansen, Ph.D., F.M.L.S. (With Plate ¥7) 69 
The Descriptive Anatomy of the Brain and Cranial Nerves of Bdel- 
lostoma Dombeyi. By Jutta Wortuineton, Walnut Hills, Cincin- 
nati, Ohio. (With Plates’8—T1) <*)-. .. 9 -.) --3) ee 
The Ontogenetic Stages represented by the Gastropod Protoconch. 
By H. Letenvon Kesteven ; ; : : : . . 183 
The Development of the Corpus Luteum: a Review. By Francis 
H. A. Marsnatt, M.A., D.Se., Carnegie Fellow, University of 
Edinburgh ; : ; : : > ee 
The Lime-forming Layer of the Madreporarian Polyp. By Marta M. 
OcitviE Gorpon, D.Sc., Ph.D., F.L.S. s ‘ .. 208 
Pseudospora Volvocis, Cienkowski. By Muriet Rosertson, Zoo- 
logical Laboratory, University of Glasgow. (With Plate™12) 
