Journal 



OF THE 



Royal 

 Microscopical Society; 



CONTAINING ITS TRANSACTIONS AND PROCEEDINGS, 



AND A SUMMARY OF CURRENT RESEARCHES RELATING TO 



ZOOX.OC3-"5Z- -A.3SriD B O T -A- 3Sr •'S' 



(principally Invertebrata and Cryptogamia), 



iv2:ici?.osooi''5r, <scc. 



Edited by 



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



O'ne 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, F.L.S., F. JEFFREY BELL, M.A., P.Z.S., 



Lecturer on Botany at St. Thomas's Hospital, Prof essor of Comparative Anatoiny in King's Colle-^e, 



JOHN MAYALL, Jun., F.Z.S., FRANK E. BEDDARD, M.A., F Z S 



Lwrartan, Brtiish Museum [Natural History), ^ '' 



AND 



J. ARTHUR THOMSON, M.A., 



FELLOWS OF THE SOCIETY. 



Ser. II.— VOL. V. PART 1. 



PUBLISHED FOR THE SOCIETY BY ~ 



WILLIAMS & NOR GATE, 



LONDON AND EDINBURGH. 



1885. 



