Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas

by Sydney Anderson

1940.

A new Pleistocene fauna from Meade County, Kansas. Trans. Kansas Acad. Sci., 43:417-425, December 23.

Howell, A. B.

1926.

Anatomy of the wood rat. Monogr. Amer. Soc. Mamm. No. 1, x + 225 pp., 35 figs., Williams and Wilkins Co., Baltimore.

Snyder, D. P.

1954.

Skull variation in the meadow vole (Microtus p. pennsylvanicus) in Pennsylvania. Annals of the Carnegie Museum, 33:201-234, September 21.

Warren, E. R.

1942.

The mammals of Colorado. Univ. Oklahoma Press, xviii + 330 pp., 50 pls.

Transmitted June 30, 1955.