New Series, No. CVII (Vol. XXVII, Part 3). 



JANUAET, 1887. 



THE 



Price 10s. 





J.l- '^' 



QUARTERLY JOURNAL 



OF 



MICEOSCOPICAL SCIENCE. 



KDITBD BY 



E. RAY LANKESTER, M.A., LL.D., E.K.S., 



Fellow of Exeter College, Oxford, and Jodrell Professor of Zoology in University College, 



London ; 



WITH THK CO-OPKBATION OF 



W. T. THISELTON DYER, M.A., C.M.a., F.R.S., 



Director of the Koyal Gardens, Eew, 



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



Joint-Lecturer on General Anatomy and Physiology in the Medical School of St. Bartholomew's Hospital, 



London. 



H. K MOSELEY, M.A., LL.D., F.R.S., 



Linacre Professor of Human and Comparative Anatomy iti the University of Oxford, 



AND 



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



Fellow and Assistant-Lecturer of Trinity College, Cambridge. 

 WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. 



LONDON: 

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



VIDCCCLXXXVII. 



Adlard and Son.] 



[Bartliolomew Close. 



