THE 
THIRD ANNUAL REPORT 
OF THE 
BOARD OF MANAGERS 
OF THE 
t 
ZOOLOGICAL SOCIETY 
OF PHILADELPHIA. 
(Incorporated March 21, 1859.) 
READ AT THE ANNUAL MEETING OF THE MEMBERS AND LOAN- 
HOLDERS OF THE SOCIETY, ' 
APRIL 22, 1875. 
PHILADELPHIA, 
1875- 
