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/-2/ 



QUARTERLY JOURNAL 



OF 



MICROSCOPICAL SCIENCE : 



^ 



EDITED BY 



E. RAY LANKESTER, M.A., LL.D., F.R.S., 



Honorary Felloio of Exeter College, Oxford ; Jodrell Professor of Zoology in University 



College, London ; and Deputy Linacre Professor of Human and Comparative 



Anatomy in the University of Oxford. 



WITH THE CO-OPEEATION OF 



E. KLEIN, M.D., F.R.S., 



Lecturer on General Anatomy and Physiology in the Medical School of 

 St. Bartholomew's Hospital, London, 



ADAM SEDGWICK, M.A., RR.S., 



Fellow and Assistant-Lecturer of Trinity College, Cambridge. 



VOLUME XXXI.— New Seeies. 

 lii^ ITit^ogragljit plates anb ingraWngs on Mooti, 



LONDON: 

 J & A. CHURCHILL, 11, NEW BURLINGTON STREET. 



' 1890. 



