Journal 



OF THE 



Royal 

 Microscopical Society; 



CONTAINING ITS TRANSACTIONS AND PROCEEDINGS, 



AND A SUMMARY OF CURRENT RESEARCHES RELATING TO 



(principally Invertebrata and Cryptogamia), 



Iva:iCE,OSCOT>^S-, <Sca. LlSkV ry 



NEW YORK 



BOTANICAL 



^'""''' GARDEN 



FRANK 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, F.L.S., F. JEFFREY BELL, M.A., F.Z.S., 



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



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



KKD 



J. ARTHUR THOMSON, M.A., 

 Lecturer on Zoology in the School of Medicine, Edi?tburgh, 



FELLOWS OF THE SOCIETY. 



FO R THE YEAR 

 1887. 



Part 2. 



PUBLISHED FOR THE SOCIETY BY 



WILLIAMS & NOR GATE, 



LONDON AND EDINBURGH. 



