THE 
EIGHTH ANNUAL REPORT 
OF THE 
BOARD OF DIRECTORS 
OF THE 
ZOOLOGICAL SOCIETY 
OF PHILADELPHIA. 
(Incorporated March 2ist, 1859.) 
READ AT THE ANNUAL MEETING OF THE MEMBERS AND LOAN- 
HOLDERS OF THE SOCIETY, 
APRIL 22d, 1880. 
PHILADELPHIA: 
1880. 
