LLINOIS BIRDS: Mimidae 
RICHARD R. GRABER 
JEAN W. GRABER 
. ETHELYN L. KIRK 
Biological Notes No. 68 
ILLINOIS NATURAL HISTORY SURVEY 
URBANA, ILLINOIS 
SEPTEMBER, 1970 [RGM Manse ey At) 
BIOLOGY LIBRARY 
101 BURRILL HAL! 
STATE OF ILLINOIS 
DEPARTMENT OF REGISTRATION AND EDUCATION 
NATURAL HISTORY SURVEY DIVISION 
