RODENTIA: SCIURIDAE 193 



1884. Spermophilus richardsoni townsendi True, Proc. U. S. Nat. Mus., vol. 7 



(App., Circ. 29), p. 594, Nov. 29, 1884. (Not S. townsendii Bachman, 



1839.) 

 1891. Spermophilus elegans Merriam, North Araer. Fauna No. 5, p. 39, July 



30, 1891. 

 1904. [Citellus] elegans Trouessart, Catalogus Mammalium . . . , Suppl., 



fasc. 2, p. 339. 



1938. Citellus richardsonii elegans A. H. Howell, North Amer. Fauna No. 56 

 (April), p. 76, May 18, 1938. 



Type Locality. — Fort Bridger, Uinta County, Wyo. Range. — Southeastern 

 Idaho, southern Wyoming, and northwestern Colorado; north to northwestern 

 Converse County, Wyo.; east to extreme southeastern Wyoming; and south to 

 Leadville, Colo. Zonal range, mainly Transition. 



Citellus richardsonii aureus Davis* 



1939. Citellus elegans aureus Davis, The Recent mammals of Idaho, p. 177, 

 Apr. 5, 1939. 



Type Locality. — Double Springs, 16 miles northeast of Dickey, Custer County, 

 Idaho. Range. — The Lost River country, including Big Lost River, Pahsimeroi, 

 Lemhi, and Birch Creek Valleys, and east probably to Henry Lake, northeastern 

 Idaho; occurs also in southwestern Montana (Madison and Beaverhead 

 Counties) . 



Citellus richardsonii nevadensis A. H. Howellf * 



1928. Citellus elegans nevadensis A. H. Howell, Proc. Biol. Soc. Washington, 

 vol. 41, p. 211, Dec. 18, 1928. 



1938. Citellus richardsonii nevadensis A. H. Howell, North Amer. Fauna No. 56 

 (April), p. 77, May 18, 1938. 



Type Locality. — Paradise, Humbolt County, Nev. Range. — Northeastern 

 Nevada west to Winnemucca and south to Diamond Valley (Hall, Mammals of 

 Nevada, p. 303, July 1, 1946) , extreme southeastern Oregon ; and Riddle, Owyhee 

 County, southwestern Idaho (Davis, The Recent mammals of Idaho, p. 177, Apr. 

 5, 1939). Zonal range, Upper Sonoran and Transition. 



Citellus armatus (Kennicott)f * 



1863. Spermophilus armatus Kennicott, Proc. Acad. Nat. Sci. Philadelphia, 



vol. 15, p. 158. 

 1891. Spermophilus armatus Merriam, North Amer. Fauna No. 5, p. 38, July 



30, 1891. 

 1904. [Citellus] armatus Trouessart, Catalogus Mammalium . . . , Suppl., 



fasc. 2, p. 339. 

 1938. Citellus armatus A. H. Howell, North Amer. Fauna No. 56 (April) . p. 78, 



May 18, 1938. 

 Type Locality. — Foothills of the Uinta Mountains, near Fort Bridger, Uinta 

 County, Wyo. Range. — Mountains and foothills of western Wyoming, extreme 

 southwestern Montana, southeastern Idaho, and northern and central Utah ; north 

 to Gallatin and Park Counties, Mont.; east to foothills of Shoshone and Wind 

 River Mountains, Wyo.; south to Fish Lake Plateau, Utah (Kelson, Univ. Utah 

 Biol. Ser., vol. 11, No. 3, p. 26, Feb. 15, 1951) ; west to Donovan, Mont., to Albion, 

 Cassia County, south of Snake River, and to Big Lost River and Pahsimeroi Val- 



