THE 
TWENTY-FIRST ANNUAL REPORT 
BOARD OF DIRECTORS 
ZOOLOGICAL SOCIETY 
OF PHILADELPHIA. 
(Incorporated March 21st, 1859.) 
READ AT THE ANNUAL MEETING OF THE MEMBERS AND LOAN- 
HOLDERS OF THE SOCIETY. 
April 27th, 1893. 
PHILADELPHIA : 
Allen, Lane & Scott's Printing House, 
Nos. 229, 231, and 233 South Fifth Street. 
1893. 
