ILLINOIS BIRDS: Laniidae 
Biological Notes No. 83 
EP 4 1973 
RICHARD R. GRABER - JEAN W. GRABER - ETHELYN L. KIRK 
ILLINOIS NATURAL HISTORY SURVEY 
Urbana, Illinois — June, 1973 
BIOLOGY LIBRARY 
State of Illinois 101 BURRILL HALL 
Department of Registration and Education 
NATURAL HISTORY SURVEY DIVISION 
