198 BULLETIN 128, Uis^ITED STATES NATIONAL MUSEUM. 



t*Cynomys leucurus — Continued. 



Range. — Irregular areas in the mountainous parts of Montana, 

 Wyoming, Utah, and Colorado. South from the Bighorn 

 Basin, in southern Montana, across central and southwestern 

 Wyoming into western Colorado and northeastern Utah; east 

 to the Laramie Mountains, W3"oming, and into North Park, 

 Colorado; south into the lower Gunnison Valley; west a few 

 miles across the Bear Iliver Divide into extreme northern 

 Utah and, farther south, into the Green River valley. Chiefly 

 Transition Zone. 



*Cynomys parvidens Allen. 



1905. Cynomys parvidens Allen, Mus. Brooklyn Inst. Arts and 



Sci., Science Bull., vol. 1, p. 119. March 31, 1905. 

 Type Locality. — Buckskin Valley, Iron County, Utah. 

 Range. — Mountain vaUeys of central Utah in the Sevier River 



region; south from Nephi to Iron and Garfield Counties. 



t*Cynomys gunnisoni gunnisoni (Baird). 



1855. SpermopMlus gunnisoni Baird, Proc. Acad. Nat. Sci. 

 Philadelphia, vol. 7, p. 334. April, 1855. 



1857. Cynomys gunnisonii Baird, Mamm. N. Amer., p. xxv. 



1885. Cynomys columhianus True, Proc. U .S. Nat. Mus., vol. 7 

 (1884), p. 593. 1885. 



1890. Cynomys gunnisoni Merriam, North Amer. Fauna, No. 3, p. 

 58. September 11, 1890. (See also No. 5, p. 40, July 30, 1891.) 



Type Locality. — Cochetopa Pass, Saguache County, Colorado. 



Range.— Rocky Mountain region of central and central-southern 

 Colorado and northern New Mexico. North into South Park. 

 Colorado; east to El Paso, Fremont, and Huerfano Counties, 

 Colorado; south into the Sangre de Cristo and Jemez Moun- 

 tains, New Mexico; west to western Gunnison and Hinsdale 

 Counties, Colorado, and to western Rio Arriba County, New 

 Mexico. Chiefly Transition Zone, but also in Upper Sonoran 

 and lower parts of Canadian Zone. 



t*Cynomys gunnisoni zuniensis Hollister. 



1916. Cynomys gunnisoni zuniensis Hollister, North Amer. 

 Fauna, No. 40, p. 32. June 20, 1916. 



Type Locality. — Wingate, McKinley County, New Mexico. 



Range. — Southwestern Colorado, extreme southeastern Utah, 

 northwestern and west-central New Mexico, and north- 

 central Arizona. North in western Colorado to Montrose 

 County; northeast in New Mexico in the Rio Grande Valley to 

 Espanola and east to Pecos and the Manzano Mountains; 

 south on the west side of the Rio Grande Valley to Sierra and 

 Socorro Counties, New Mexico; west in central Arizona to 

 Prescott and the Hualpai Indian Reservation. Chiefly Upper 

 Sonoran, but also in Transition Zone. 



