ar V 

 174-40 



Popular Official Guide 



i^= TO 



By 

 WILLIAM T. HORNADAY, Sc.D. 



Director and General Curator 



MAPS, PLANS AND ILLUSTRATIOl>JS 

 i^ehj |?orfe Zoological ^ociftp 



ONLY AUTHORIZED GUIDE 



Price 25 Cents 



BISON EDITION. 'COMPLETELY REVISED AND EXTENDL 



