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1952. Notes on mice of the species Peromyscus boylei and P. pectoralis. Jour. Mamm., 33:371-378, 2 figs., August 19.

1953. Notes on mammals of Tamaulipas, Mexico. Occas. Papers Mus. Zool., Univ. Michigan, 544:1-12, March 25.

Hooper, E. T., and Handley, C. O., Jr.

1948. Character gradients in the spiny pocket mouse, Liomys irroratus. Ibid., 514:1-34, 1 map, October 29.

Howell, A. H.

1901. Revision of the skunks of the genus Chincha. N. Amer. Fauna, 20:1-62, 8 pls., August 31.

1938. Revision of the North American ground squirrels, with a classification of the North American Sciuridae. N. Amer. Fauna, 56:1-256, 20 figs., 32 pls., May 18.

Jackson, H. H. T.

1914. New moles of the genus Scalopus. Proc. Biol. Soc. Washington, 27:19-21, February 2.