CONTENTS. 
v 
CONTENTS OP No. XCIX, N.S., JULY, 1885. 
MEMOIRS 
PAGE 
On Spermatogenesis in the Rat. By Herbert H. Brown, Uni- 
versity College, London. (With Plates XXII and XXIII) . 343 
A Simplified View of the Histology of the Striped Muscle- Fibre. 
By B. Melland, B.Sc., Platt Physiological Scholar in the Owens 
College, Manchester. (With Plate XXIV) . . . 371 
On the Development of a Freshwater Macrurous Crustacean, Atye- 
phira compress a, De Haan. By Chiyomatsu Ishikawa, 
of the University of Tokio, Japan. (With Plates XXV, XXVI, 
XXVII, XXVIII) 391 
On the Supposed Communication of the Vascular System with 
the Exterior in Pleurobranchus. By Alfred Gibbs Bourne, 
D.Sc. Lond., F.L.S., Assistant Professor of Zoology and Compa- 
rative Anatomy in University College, London. (With Plate 
XXIX) . . . . • . . . .429 
Observations on the Nervous System of Apus. By Paul Pel- 
seneer, B.Sc. (With Plate XXX) .... 433 
Note on the Chemical Composition of the Zoocytium of Ophry- 
dium versatile. By W. D. Halliburton, M.D., B.Sc. Lond., 
Sharpey Physiological Scholar, University College, London . 445 
The Development of Peripatus capensis. By Adam Sedgwick, 
M.A., Fellow of Trinity College, Cambridge. (With Plates 
XXXI and XXXII) 449 
CONTENTS OF No. C, N.S., OCTOBER, 1885. 
MEMOIRS: 
On the Chromatology of the Blood of Some Invertebrates. By C. 
A. Mac Munn, M.A., M.D. (With Plates XXXIII and XXIV) 469 
The Cephalic Appendages of the Gymnosomatous Pteropoda, and 
especially of Clione. Bv Paul Pelseneer, D.Sc., of Brussels. 
(With Plate XXXV) ' 491 
