The Amphibians and Reptiles of Michoacán, México

by William Edward Duellman

Conant, R.

1953. Three new water snakes of the genus Natrix from Mexico. Nat. Hist. Misc., 126:1-9, September 15.

Contreras Arias, A.

1942. Mapa de las provincias climatologicas de la República Méxicana. Dir. Meteoro, Hidro. Inst. Geog. México, xxvii + 54 pp.

Cope, E. D.

1861. Contributions to the ophidiology of Lower California, Mexico, and Central America. Proc. Acad. Nat. Sci. Philadelphia, 13:292-306, December 28.

1887. Catalogue of batrachians and reptiles of Central America and Mexico. Bull. U. S. Natl. Mus., 32:1-98.

Davis, W. B.

1954. Three new anoles from Mexico. Herpetologica, 10:1-6, April 20.

Davis, W. B., and Dixon, J. R.