QUARTERLY JOURNAL 



OP 



MICROSCOPICAL SCIENCE: 



EDITED BY 



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



Linacre Professor of Comparative Anatomy, Felloio of Merton College, atid 

 Sonorary Felloio of Exeter College, Oxford. 



WITH THE CO-OPEEATION OF 



ADAM SEDGWICK, M.A., F.R.S., 



Felloio and Lecturer of Trinity College, Cambridge ; 



W. F. R. WELDON, M.A., F.R.S., 



Jodrell Professor of Zoology and Comparative Anatomy in University College, London; 

 Fellow of St. John's College, Cambridge. 



VOLUME 37.— New Seeies. 



LONDON: 



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



1895. 



