STATE OF ILLINOIS 

 DwiGHT H. Green, Governor 



DEPARTMENT OF REGISTRATION AND EDUCATION 

 Frank G. Thompson, Director 



NATURAL HISTORY SURVEY DIVISION 

 Theodore H. Prison, Chief 



\'olume 23 BULLETIN Article 5 



Fox Squirrels and Gray Squirrels 



In Illinois 



LOULS G. BROWN 

 LEE E. YEAGER 



Printed by Authority of the State of Illinois 



URBAN A, ILLINOIS 



September 1945 



