sll 
Biological Notes No. 82 
Lactate Dehydrogenase Isozymes 
of Darters and the Inclusiveness 
of the Genus Percina 
Lawrence M. Page THE LIBRARY OF THE 
Gregory S. Whitt JUL 17 1973 
-— ILLINOIS NATURAL HISTORY SURVEY 
~ - ‘Urbana, Illinois » May, 1973 
STATE OF ILLINOIS 
Department of Registration and Education 
JuL2 6 1973 Natural History Survey Division BIULUGy | 
Ripa. 
