Onychomys leucogaster (Wied-Neuwied, 1841) . Reise Nord-America, 2:99.

TYPE LOCALITY: U.S.A., North Dakota, Oliver Co., Mandan Indian Village, near Fort Clark .

DISTRIBUTION: N. Tamaulipas (Mexico) to E. California, S.E. Washington, W. Minnesota (U.S.A.), S. Alberta, S. Saskatchewan, and S.W. Manitoba (Canada).

COMMENT: Reviewed by McCarty, 1978, Mamm. Species, 87:1-6, and Engstrom and Choate, 1979, J. Mammal., 60:723-739.

ISIS NUMBER: 5301410008034001001.