‘ a e 
| ECOLOGICAL STUDY OF FOUR DARTERS 
THE GENUS PERCINA (PERCIDAE) 
THE KASKASKIA RIVER, ILLINOIS 
David L. Thomas 
P. caprodes 
P. maculata 
P. phoxocephala 
P. shumardi 
(HE LIBRARY OF THE 
JAN 20 197] 
UNIVERSITY OF ILLAi ae 
SN 
GICAL NOTES NO. 70 
IS NATURAL HISTORY SURVEY AT, URBANA-CHA. 
A, ILLINOIS DECEMBER, 1970 
OF ILLINOIS 
2 1971 
DEPARTMENT OF REGISTRATION AND EDUCATION = NATURAL HISTORY SURVEY DIVISION 
