GENERAL ZOOLOGY 



PRACTICAL, SYSTEMATIC 

 AND COMPARATIVE 



BEING A REVISION AND REARRANGEMENT OF 



ORTON'S COMPARATIVE ZOOLOGY 

 M 



BY 



CHARLES WRIGHT DODGE, M.S. 



PROFESSOR OF BIOLOGY IN THE UNIVERSITY OF ROCHESTER 



NEW YORK : CINCINNATI - : . CHICAGO 



AMERICAN BOOK COMPANY 



