Perognathus nelsoni Merriam, 1894 . Proc. Acad. Nat. Sei. Phila., 46:266.

TYPE LOCALITY: Mexico, San Luis Potosi, Hacienda La Parada, about 25 mi. (40 km) N.W. Ciudad San Luis Potosi .

DISTRIBUTION: Chihuahuan desert plateau from S. E. New Mexico (U.S.A.) to Jalisco and San Luis Potosi (Mexico).

COMMENT: May include lineatus (DFW) .

ISIS NUMBER: 5301410004005021001.