Bailey, V.

1900. Revision of American voles of the genus Microtus. N. Amer. Fauna, 17:1-88, 5 pls., 17 figs. in text, June 6, 1900.

1902. Synopsis of the North American Species of Sigmodon. Proc. Biol. Soc. Washington, 15:101-116, June 2, 1902.

Benson, S. B.

1947. Description of a mastiff bat (genus Eumops) from Sonora, Mexico. Proc. Biol. Soc. Washington, 60:133-134, December 31, 1947.

Davis, W. B.

1944. Notes on Mexican mammals. Jour. Mamm., 25:370-403, 1 fig. in text, December 12, 1944.

Elliot, D. G.

1903. A list of a collection of Mexican mammals with descriptions of some apparently new forms. Field Columb. Mus. Pub. No. 71, zoöl. ser., 3(no. 8):141-149, February, 1903.

Goldman, E. A.