1V CONTENTS. 
The Development of the Cape Species of Peripatus. By Apam 
Srepewick, M.A., Fellow of Trinity College, Cambridge. Part 
II. (With Plates XII, XIII and XTV) ; , 
Studies on Harthworms. By Witiiam Buaxtanp Brnuaw, B.Sc., 
Demonstrator in the Zoological Laboratory of University College, 
London (With Plates XV, XVI, and XVI dis) ; 
The Official Refutation of Dr. Robert Koch’s Theory of Cholem 
and Commas : : : ; ; 
CONTENTS OF No. CIII, N.S., APRIL, 1886. 
MEMOIRS: 
The Leeches of Japan. By C.O. Wuirman, Ph.D. Part L. (With 
Plates XVII, XVIII, XIX, XX and XXT) : : 
Contributions to the Embryology of the Nemertea. By Prof. A. 
A. W. Husrecut, of Utrecht. (With Plate XXII) ; 
The Early Development of Julus terrestris. By F. G. Huatn- 
corn, M.A., Trinity aie Cambridge. (With Plates XXIII 
and XXIV) 
On the Structure of the so- oalles Giaadalar Henistales (Daiisen: 
magen) of Syllis. By Witiram A. Haswett, M.A., B.8c., 
Lecturer on Zoology and Comparative Anatomy, and Demon- 
strator of Histology, Sydney University. (With Plate XXV) 
Carnoy’s Cell Researches. By Artuur Bottzs Len. (With 
Plate XX VI) : : : : ; 
The Pleomorphism of the Bahixoyihyta. By E. Ray LanxestEr, 
M.A., LL.D., F.R.S., Jodrell Professor of eis in ie 
College, ondenn 4 ; 
NOTICES OF NEW BOOKS: 
Methods of Research iu Microseopical Anatomy and Embryology. 
By Cuarzes Oris Wuitmay, M.A., Ph.D. 
The Microtomist’s Vade-mecum: a Handbook of the Meshade of 
Microscopic Anatomy. By Artuur Bouizs LEE : 
The Rotifera, or Wheel Animalcules. By C. T. Hupson, Lie 
assisted by P. H. Gossn, F.R.S. : : 
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