Texas: El Paso County: 3 mi. NE City Limits, El Paso, 3764 ft., 15 (12 MVZ; 3 TCWC); El Paso, 3 (USBS); near El Paso, 7 (USNM). Hudspeth County: 1 mi. NW old Fort Hancock, 3900 ft., 3 (MVZ); Fort Hancock, 4 (USNM); 4 mi. NW Sierra Blanca, 1 (LACM). Culberson County: 35 mi. N Van Horn, 5 (TCWC); 30 mi. N Van Horn, 1 (TCWC); 16 mi. E Van Horn, 3 (TCWC); 16 mi. SE Van Horn, 5 (TCWC); Kent, 1 (USBS). Reeves County: 5 mi. E Toyahvale, 1 (USBS). Jeff Davis County: 14-1/2 mi. S Fort Davis, 2 (UM). Presidio County: 10 mi. NE Marfa, 1 (UM).

Sonora: Nogales, 2 (USNM); Santa Cruz, 4 (USNM); 5 mi. N Cananea, 4750 ft., 4 (MVZ); Alamo Wash, 35 mi. NW Magdalena, 5 (DRD); Sonora, 2 (AMNH).

Chihuahua: 4.3 mi. W Casas Grandes Viejo, 5000 ft., 8 (MVZ); 1.5 mi. W Casas Grandes Viejo, 1 (MVZ); Casas Grandes, 2 (USBS); Gallego, 1 (USBS); Colonia Diaz, 6 (USBS); Las Trincheras, 9 mi. S by road Boquillos de Condios, 4 (MVZ); Santa Rosalia, 6 (USBS); Chihuahua, 7 (USBS); 5 mi. SE Chihuahua, 5250 ft., 4 (MVZ); Corallitos, 4 (1 USBS; 3 MVZ).

Dipodomys ordii luteolus ([Goldman])

Perodipus ordii luteolus [Goldman], Proc. Biol. Soc. Washington, 30:112, May 23, 1917.

Dipodomys phillipsi ordi, [Coues and Allen], Monogr. of N. Amer. Rodentia, p. 541, August, 1877 (part—the part from Niobrara River, Nebraska).

Perodipus montanus richardsoni, Cary, N. Amer. Fauna, 33:141, August 17, 1911 (part—the part from Sterling, Colorado).

Dipodomys ordii luteolus, [Grinnell], Journ. Mamm., 2:96, May 2, 1921.

Type.—Male, adult, no. 160408, U. S. Nat. Mus. Biol. Surv. Coll.; Casper, Natrona County, Wyoming; obtained on September 2, 1909, by Merritt Cary, original no. 1690.