The Amphibians and Reptiles of Michoacán, México

by William Edward Duellman

1957. Notes on Mexican snakes (Ophidia). Southwest. Nat., 2:19-27, January.

Davis, W. B., and Smith, H. M.

1953. Lizards and turtles of the Mexican state of Morelos. Herpetologica. 9:100-108, July 22.

Dixon, J. R.

1957. Geographic variation and distribution of the genus Tomodactylus in Mexico. Texas Jour. Sci., 9:379-409, December.

1960. Two new geckos, genus Phyllodactylus (Reptilia: Sauria), from Michoacán, Mexico. Southwest. Nat., 5:37-42, April 15.

Dowling, H. G.

1960. A taxonomic study of the ratsnakes, genus Elaphe Fitzinger. VII. The triaspis section, Zoologica, 45:53-80, August 15.

Duellman, W. E.

1954a. The salamander Plethodon richmondi in southwestern Ohio. Copeia, 1950 (1):40-45, February 19.