7^-?^^ 

 /'£/ 



QUARTERLY JOURNAL 



OF 



MICROSCOPICAL SCIENCE: 



EDITED BY 



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



Linaere Professor of Comparative Anatomy, Fellom of Merton College, and 

 Sonorary Fellow of Exeter College, Oxford. 



WITH THE CO-OPEEATION OF 



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



Felloto and Lecturer of Trinity College, Cambridge ; 



A. MILNES MARSHALL, M.A., D.Sc, M.D., F.R.S., 



Late Felloiv of St. John's College, Cambridge ; Professor in the Victoria University ^ 

 Beyer Professor of Zoology in the Otvens College, Manchester ; 



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



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

 Felloiv of St. John's College, Cambridge. 



VOLUME 35.— New Seeies. 

 \it\j |.'itl|ograpljk plates anb ^-ngraiings on ®oob. 



L O N D O JS^ : 

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



1894. 



