The Amphibians and Reptiles of Michoacán, México

by William Edward Duellman

Langebartel, D. A.

1959. A new lizard (Sceloporus) from the Sierra Madre Occidental of Mexico. Herpetologica, 15:25-27, February 25.

Maldonado-Koerdell, M.

1948. Los colecciones de anfibios del Museo Alfredo Dugès en la Universidad de Guanajuato, I—Urodelos. Mem. Revist. Acad. Nac. Cien., 56:185-226.

Martin, P. S.

1958. A biogeography of reptiles and amphibians in the Gómez Farías Region, Tamaulipas, Mexico. Misc. Publ. Mus. Zool. Univ. Michigan, 101:1-102, April 15.

Maslin, T. P.

1957. Hyla microeximia sp. n., Hylidae, Amphibia, from Jalisco, Mexico. Herpetologica, 13:81-86, July 10.

Milstead, W. W.

1953. Geographic variation in the garter snake, Thamnophis cyrtopsis. Texas Jour. Sci., 5:348-379, September.