The Journal is issued on the second Wednesday of 

 February, April, June, August, October, and December. 



■t^ 



w 



1889. Parti. 



FEBRUARY. 



To Non-Fellows/^^ 



Price 6s. 



Journal 



OF THE 



Royal 

 Microscopical Society; 



CONTAINING ITS TRANSACTIONS AND PROCEEDINGS, 



AND A SUMMARY OF CURRENT RESEARCHES RELATING TO 



(principally Invertebrata and Oryptogamia), 

 Js/LXGTlOSGOF^Sr, Sec 



«« 



Edited by 



PRANK CRISP, LL.B., B.A,, 



One of the Secretaries of the Society 

 and a Vice-President and Treasurer of the Linnean Society of London ; 



WITH THE ASSISTANCE OF THE PUBLICATION COMMITTEE AND 



A. W. BENNETT, M.A., B.Sc, E.L.S., F. JEFFREY BELL, M.A., F.Z.S., 



Lecturer on Botany at Si. Thomas' s Hosj>ital, Professor of Cotnparative Anatotny in King's College, 



JOHN MAYALL, Jun., F.Z.S., E. G. HEBB, M.A., M.D. (,Caniiib.\ 



AND 



J. AETHUR THOMSON, M.A., 



Lecturer on Zoology in the School of Medicine, Edifiburgh, 

 FELLOWS OF THE SOCIETY. 



WILLIAMS & NORGATE, 



LONDON AND EDINBURGH. 



."SINTED BY \VM. CLOWES AND SONS, LIMITEE,] 



[STAMFORD STREET AND CHARING CROSS, 



