New Series, No. 155 (Vol. 39, Part 3). 



Price 10s. 



JAN 4 1897 



NOVEMBER, 1896. 



THE 



QUARTERLY JOURNAL 



OF 



MICROSCOPICAL SCIENCE. 



EDITED HY 



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



Linacre Professor of Comparali-ve /Ivatomy, FtHozL' of Merlon College, and Honorary Fetloiu 



of Exeter College, Oxford ; Corresponding Member of the Imperial Academy of Sciences 



of St. Petersburg, and of the Academy of Sciences of Philadelphia ; Foreign 



Member of the Royal Bohemian Society of Sciences. 



WITH THE CO-OPERATION OF 



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



Fellow and Lecturer of Trinity College, Cambridge; 



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



Jodrell Professor of Zoology and Comparati'VA Anatomy in Vni-versity College, London ; 

 late Felloiu of St. John's College, Cambridge. 



WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. 



LONDON 

 J. & A. CHURCHILL, 7, GREAT JMARLBOROUGH STREET. 



1896. 



Adlard and Son,] 



[Bartholomew Close. 



