Speciation and Evolution of the Pygmy Mice, Genus Baiomys

by Robert L. Packard

1958a. New subspecies of the rodent Baiomys from Central America. Univ. Kansas Publ., Mus. Nat. Hist., 9:397-404, 2 tables, December 19.

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1952. A new subspecies of pygmy mouse, Baiomys musculus, from Morelos, México. Proc. Biol. Soc. Washington, 65:21-22, January 29.

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1945. The principles of classification and a classification of mammals. Bull. Amer. Mus. Nat. Hist., 85:xvi + 350, October 5.

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