University of Kansas Publications
Museum of Natural History
Volume 13, No. 2, pp. 19-72, pls. 1-8, 3 figs.
August 16, 1960
A Distributional Study of the Amphibians
of the Isthmus of Tehuantepec, México
BY
WILLIAM E. DUELLMAN
University of Kansas
Lawrence
1960
University of Kansas Publications
Museum of Natural History