STATE OF ILLINOIS 



William G. Stratton, Governor 



DEPARTMENT OF REGISTRATION AND EDUCATION 



Vera M. Binks, Director 



Fieldbook of 

 ILLINOIS MAMMALS 



Donald F. HofFmeister 

 Carl O. Mohr 



MANUAL 4 



Printed by Authority of the State of Illinois 



NATURAL HISTORY SURVEY DIVISION 

 Harlow B. Mills, Chief URBAN A. June. 1957 



