New Series, No. CVI (Vol. XXVII, Part 2). 



THE 



Price 10s. 



OCTOBEE, 1886. 



QUARTERLY JOURNAL 



OF 



MICROSCOPICAL SCIENCE. 



KDITBn BY 



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



Fellou) of Exeter College, Oxford, and Jodrell Professor of Zoology in University College, 



London ; 



WITH THK CO-OPKEATION OF 



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



Director of the Royal Gardens, Keu>, 



E. KLEIN, M.D., E.E.S., 



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



London. 



H. N. MOSELET, M.A., LL.D., E.E.S., 



Linaere Professor of Human and Comparative Anatomy in the University of Oxford, 



AKD 



ADAM SED&WICK, M.A., E.E.S., 



Fellow and Assistant-Lecturer of Trinity College, Cambridge. 

 WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. 



LONDON: 



J. & A. CHUECHILL, 11, NEW BURLINGTON STEEET. 



MDCCCLXXXVI. 



J. G. Adlard.] 



[Bartholomew Close. 



