Volume 13, No. 10, pp. 429-611, pls. 31-54, 24 figs.

February 16, 1962

North American Recent Soft-shelled Turtles

(Family Trionychidae)

BY

ROBERT G. WEBB

UNIVERSITY OF KANSAS

LAWRENCE

1962

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

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