=" of Common and Economic Illinois Ants, 
vith Keys to the Genera 
lymenoptera, Formicidae) 
ILLINOIS NATURAL HISTORY SURVEY 
Biological Notes No. 71 
Urbana, Illinois 
JANUARY, 1971 
STATE OF ILLINOIS 
DEPARTMENT OF REGISTRATION AND EDUCATION 
NATURAL HISTORY SURVEY DIVISION 
ERBERT H. ROSS 
FORGE L. ROTRAMEL 
ALLACE E. LABERGE 
BIOLOGY LIBRARY 
101 BURRILL # ALL 
