New Series, No. CXV (Vol. XXIX, Part 3). Price 10s. 



^ y^y DECEMBEE, 1888. 



^' THE 



QUARTERLY JOURNAL 



or 



MICEOSCOPICAL SCIENCE. 



SDnXD BT 



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



ftllow of Bxtter ColUgt, Oxford, and Jodrell Profettor of Zoology in Vnhertity College, 



London; 



WITH THK CO-OPKRATIOH OF 



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



Lecturer on General Anatomy and Physiology in the Medical Sckool of St. Bartkolowiew'* Hospital, 



London. 



H. N. MOSELEY, M.A., LL.D., F.E.S., 



Linaere Profesior of Huma* and Comparatire Anatomy in the Unitenity of Oxford, 



ABD 



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



FelloK and Assistant-Lecturer of Trinity College, Cambridge. 

 WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. 



LONDON: 

 J. & A. CHUECHILL, 11, NEW BUELINGTON STBEET. 



MDCCCLXXXVIII. 



Atllard and Son.] ^Pinliolomew Close. 



