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Nelson, E. W.

1898. Description of the squirrels from Mexico and Central America. Proc. Biol. Soc. Washington, 12:145-156, June 3.

1899. Revision of the squirrels of Mexico and Central America. Proc. Washington Acad. Sci., 1:15-106, 2 pls., May 9.

1904. Descriptions of seven new rabbits from Mexico. Proc. Biol. Soc. Washington, 17:103-110, May 18.

1909. The rabbits of North America. N. Amer. Fauna, 29:1-314, 8 pls., August 31.

Nelson, E. W., and Goldman, E. A.

1933. Revision of the jaguars. Jour. Mamm., 14:221-240, August 17.

1934. Revision of the pocket gophers of the genus Cratogeomys. Proc. Biol. Soc. Washington, 47:135-153, June 13.

Osgood, W. H.