ey ee ae 
Q\ \ 
& 
THE LIFE HISTORY OF THE SLENDERHEAD DARTER, 
PERCINA PHOXOCEPHALA, 
IN THE EMBARRAS RIVER, ILLINOIS 
Lawrence M. Page 
Philip W. Smith 
LINOIS NATURAL HISTORY SURVEY 
iological Notes No. 74 
hana, Illinois July, 1971 
THE LIBRARY. OF HE 
JUL 2 7 1979 
ate of Illinois 
UNIVERSITY 
Partment of Registration and Education Al URaAA CANON 
TURAL HISTORY SURVEY DIVISION 
AUG 5 1971 suey 1BRARY 
sar RURRILL HALL 
