ar V 

 17439 



Popular Official Guide 



TO 



Zoological $arfe 



By 

 WILLIAM T. HORNADAY, Sc.D. , 



Director and General Curator 



GORILLA EDITION 



WITH 



MAPS, PLANS AND ILLUSTRATIONS 

 J&to ©orb Zoological g>oct£tp 



Only Authorized Guide Price 25 Cents 



COMPLETELY REVISED AND EXTENDED 



