SAE OF Tak I NOs 
WILLIAM G. STRATTON, Governor 
DEPARTMENT OF REGISTRATION AND EDUCATION 
VerA M. Binks, Director 
en le Wak Ady Ee r sr ORY SoU RACES DEV Leh ON 
Hartiow B. Mitts, Chief 
Illinois Natural History Survey 
BULLETIN 
Volume 26 
Printed by. Authority of the State of Illinois 
URBANA, FLL EN OTS 
1953-1955 
