THE 
FIFTEENTH ANNUAL REPORT 
OF THE 
BOARD OF DIRECTORS 
OF THE 
ZOOLOGICAL SOCIETY 
OF PHILADELPHIA. 
(Incorporated March 21st, 1859.) 
READ AT THE ANNUAL MEETING OF THE MEMBERS AND LOAN- 
HOLDERS OF THE SOCIETY, 
April 28th, 1887. 
PHILADELPHIA : 
Allen, Lane & Scott's Printing House, 
Nos. 229-231-233 South Fifth Street. 
1887. 
