The Journal is issued on the third Wednesday of 
February, April, June, August, October, and December. 
1892. Part 6. DECEMBER. { To p^'g® 8 ’ 
(oCj Cj 
Journal 
OF THE 
11 
Royal 
Microscopical Society 
CONTAINING ITS TRANSACTIONS AND PROCEEDINGS, 
AND A SUMMARY OF CURRENT RESEARCHES RELATING TO 
Z O O 3Li O Gr "5T J^JSTJD BOTANY 
(principally Invertebrata and Cryptogamia), 
MICROSCOPY, <3cc- 
Edited by 
F. JEFFREY BELL, M.A., 
One of the Secretaries of the Society 
and Professor of Comparative Anatomy and Zoology in King's College; 
WITH THE ASSISTANCE OF THE PUBLICATION COMMITTEE AND 
J. ARTHUR THOMSON, M.A., 
Lecturer on Zoology in the School of Medicine, 
Edinburgh, 
A. W. BENNETT, M.A., B.Sc., F.L.S., 
Lecturer on Botany at St. Thomas' s Hospital, 
R. G. HEBB, M.A., M.D. ( Cantab.), and 
FELLOWS OF THE SOCIETY. 
WILLIAMS & NORGATE, 
'.LONDON AND EDINBURGH. 
PRINTED BY WM. CLOWES AND SONS, LIMITED,] 
[STAMFORD STREET AND CHARING CROSS, 
