Volume 13, No. 7, pp. 323-348, pls. 21-24, 2 figs.

February 10, 1961

Geographic Variation In the North American Cyprinid Fish, Hybopsis gracilis

BY

LEONARD J. OLUND AND FRANK B. CROSS

UNIVERSITY OF KANSAS LAWRENCE 1961

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, Henry S. Fitch, Robert W. Wilson