0(L 



pyjv ^^ REPORT "^ 



ON THE 



BiEDs OF Pennsylyania. 



With Special Referexce to the Pood-Habits, based 



ON OVER Three Thousand Stomach 



Examinations. 



BY 



B. H. WARREN, M. D., 



OHNITHOLOGIST OF THE STATE BOARD OF AGRICULTURE ; ASSOCIATE MEMBER OF THE AMERICAN 



ORNITHOLOGIST'S UNION ; SECRETARY OP THE CHESTER COUNTY (PA.) 



ACADEMY OP ARTS AND SCIENCES, ETC. 



illustrated with fifty plates. 



HARRISBURG: 



EDWIN K. MEYERS, STATE PRINTER. 



1888. 



