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SJ 



New Series, No. 158 (Vol. 40, Part 2). 



AUGUST, 1897. 



Price 10s. 



OCT 11 1&97 



THE 



QUARTERLY JOURNAL 



OF 



MICROSCOPICAL SCIENCE. 



EDITED BY 



E. EAY LANKESTEE, M.A., LL.D., F.R.S., 



Linaere Professor of Comparati've yinatomy, Fello-w of Merlon College, and Honorary Felloi 



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; Associate 



Member of the Biological Society of Paris. 



WITH THE CO-OPERATION OP 



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



Fellozu and Lecturer of Trinity College, Cambridge ; 

 AND 



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



Jodrell Profeuor of Zoology and Comparati-ve Anatomy in Uni-versily College, London; 

 late Felto-w of St. John's College, Cambridge. 



WITH LITHOGEAPHIC PLATES AND ENGRAVINGS ON WOOD. 



LONDON: 

 J. & A. CHURCHILL, 7, GREAT MARLBOEOUGH STEEET. 



1897. 



Adiard and Son,] 



[Bartliolomew Close. 



