A COURSE IN 

 VERTEBRATE ZOOLOGY 



A GUIDE TO THE DISSECTION AND 



THE COMPARATIVE STUDY OE 



VERTEBRATE ANIMALS 



BY 

 HENRY SHERRING PRATT, Ph.D. 



PROFESSOR OF BIOLOGY IN HAVERFORD COLLEGE 



REVISED EDITION 



GINN AND COMPANY 



BOSTON • NEW YORK • CHICAGO • LONDON 

 ATLANTA • DALLAS • COLUMBUS • SAN FRANCISCO 



