The Journal is issued on the third Wednesday of 
February, April, June, August, October, and December. 
1890. Part 4. 
AUGUST. 
I To Non-Fellows, 
t Price 6s. 
GATE. 
LONDON AND EDINBURGH. 
PRINTED BY WM. CLOWES AND SONS, LIMITED,] 
CONTAINING ITS TRANSACTIONS AND PROCEEDINGS, 
AND A SUMMARY OF CURRENT RESEARCHES RELATING TO 
ZOOLOGIST -A.3STI3 B 
(principally Invertebrata and Cryptogamia) 
3UC ICROSCOPY, 
Edited by 
F. JEFFREY BELL, M.A., 
One of the Secretaries of the Society 
and Professor of Comparative Anatomy and Zoology in King 
WITH THE ASSISTANCE OF THE PUBLICATION COMMITTEE AND 
A. W. BENNETT, M.A., B.Sc., F.L.S., [ JOHN MAYALL, 
Lecturer on Botany at St. Thomas' s Hospital, | R, G, HEBB, 
AND 
J. ARTHUR THOMSON, M.A., 
Lecturer on Zoology in the School of Medicine, Edinburgh, 
FELLOWS OF THE SOCIETY. 
[STAMFORD STREET AND CHARING CROSS. 
