Supplementary Number, containing Index, &c. 



[ 



, '^ 1889. Part 6a. DECEMBER. { 'no'.'tS." ^' h 



Journal 



OF THE 



V 



^^ 



Royal 

 Microscopical Society; 



CONTAINING ITS TRANSACTIONS AND PROCEEDINGS, 



AND A SUMMARY OF CURRENT RESEARCHES RELATING TO 



(principally Invertebrata and Cryptogamia), 



ivfl:ioi^osooi»"sr, <sco. 



Edited by 



FRANK CRISP, LL.B., B.A., 



Otte 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 AMD 



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



Lecturer on Botany at St, Thomas's Hospital, Professor of Comparative Anatomy in King's College. 



JOHN MAYALL, Jun., F.Z.S., E. G. HEBB, M.A., M.D. {Cantab.), 



AND 



J. ARTHUR THOMSON, M.A., 



Lecturer on Zoology in the School of Medicine, Edinhtrgh, 

 FELLOWS OF THE SOCIETY. 



WILLIAMS & NORGATE, 



LONDON AND EDINBURGH. , 





PRINTED BY \VM. CLOWES AND SONS, LIMITED,] [STAMFORD STREET AND CHARING CROSS. 



