STATE OF ILLINOIS 
DEPARTMENT OF REGISTRATION AND EDUCATION 
DIVISION OF THE 
NATURAL HISTORY SURVEY 
STEPHEN A. FORBES, Chief 
Vol. XIV. BULLETIN Article I. 
- THE ORCHARD BIRDS OF AN 
ILLINOIS SUMMER 
BY 
STEPHEN A. FORBES 
and 
ALFRED O. GROSS 
PRINTED BY AUTHORITY OF THE STATE OF ILLINOIS 
URBANA, ILLINOIS 
June, 1921 
