A TEXT-BOOK 



IN 



GENERAL ZOOLOGY 



BY 



GLENN W. HERRICK, B.S.A. 



ASSISTANT PROFESSOR OF Ef'()NOMIO KNT(.>MOLOGT 

 CORNELL UNIVERSITY 



<:>>*:o 



NEW YORK •:• CINCINNATI •:. CHICAGO 

 AMERICAN BOOK COMPANY 



