Volume 18, No. 6, pp. 505-545, 7 figs., 4 pls.

December 2, 1969

The Systematics of the Frogs of the _Hyla rubra_ Group in Middle America

BY

JUAN R. LEÓN

University of Kansas Lawrence 1969

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: Frank B. Cross, Philip S. Humphrey, Robert M. Mengel.