CONTENTS. 
CONTENTS OF No. 193, N.S., OCTOBER, 1905. 
MEMOIRS: 
Notes on the Structure and the Development of the Elephant’s 
Placenta. By Ricwarp 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 Biology in the Medical School of Guy’s pee 
(With Plates 1—5) 
The Development, Structure, anil Maealininey a the Seale in 
some Teleostean Fish. By H. W. Marerr Tims, King’s 
College, Cambridge. (With Plate 6) 
On the Propagation, Structure, and Classification of the Panily 
Spheromide. By H. J. Hansen, Ph.D., F.M.L.S. (With 
Plate 7) . 
The Descriptive aeatome “ai the. Brain sind Granta Nemes af 
Bdellostoma Dombeyi. By Junta Worruineton, Walnut 
Hills, Cincinnati, Ohio. (With Plates 8—11) ; 
The Ontogenetic Stages represented by the Sas ila Bpstaconel 
By H. Leieuron Kesteven 
The Development of the Corpus Luteum: a meee By opera 
H. A. Marswatt, M.A., D.Se., Carnegie Fellow, University of 
Edinburgh : 
The Lime-forming Layer of the Madeencreran Boley: By ees 
M. Ocitviz Gorvoy, D.Sc., Ph.D., ¥.L.S. : 
Pseudospora Volvocis, ici oe By MurieL Ronee. 
Zoological Laboratory, University of Glasgow. (With Plate 12) 
CONTENTS OF No. 194, N.S., NOVEMBER, 1905. 
MEMOIRS : 
Studies in Spicule Formation. By W. WoopLanp, University 
College, London. (Pari I, Plates 13—15; Part I, Plates 16, 
17; Part III, Plates 18, 19) 
The Digestive Organs of the Alcyonaria a thee Helavion to dis 
Mesogleal Cell Plexus. By Epitn M. Pratr, D.Sc. Vict. 
(With Plates 20—22) ; : 
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