A Distributional Study of the Amphibians
of the Isthmus of Tehuantepec, México

BY
WILLIAM E. DUELLMAN

University of Kansas
Lawrence
1960

[Pg 19]

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

[Pg 20]

University of Kansas Publications, Museum of Natural History

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

Volume 13, No. 2, pp. 19-72, pls. 1-8, 3 figs.
Published August 16, 1960

University of Kansas
Lawrence, Kansas

PRINTED IN
THE STATE PRINTING PLANT
TOPEKA, KANSAS
1960

28-3859

[Pg 21]