

A LABORATORY COURSE 

 IN GENERAL ZOOLOGY 



A GUIDE TO THE DISSECTION AND 

 COMPARATIVE STUDY OF ANIMALS 



BY 



HENRY SHERRING PRATT, PH.D. 



PROFESSOR OF BIOLOGY IN HAVERFORD COLLEGE 



GINN AND COMPANY 



BOSTON • NEW YORK • CHICAGO • LONDON 

 ATLANTA • DALLAS • COLUMBUS • SAN FRANCISCO 



