ZOOLOGY 



/ 



OF THE PVERTEBEATA 



A TEXT-BOOK FOR STUDENTS 



BY 



AETHUE E. SHIPLEY, M.A. 



FELLOW AND ASSISTANT TUTOR OF OHE-IST'S COLLEGE AND DEMONSTRATOR OF 

 COMPARATIVE ANATOMY IN THE UNIVERSITY OF CAMBEIDOE 



LONDON 



ADAM AND CHAELES BLACK 



1893 



