214 U. S. NATIONAL MUSEUM BULLETIN 205 



Type Locality. — Helena, Lewis and Clark County, Mont. Altitude, 4,500 

 feet. Range. — Outlying ranges in south-central Montana and northwestern 

 Wyoming, from Helena south to Yellowstone Park and east to Beartooth Moun- 

 tains. Zonal range, Canadian and Hudsonian. 



Citellus lateralis tescorum (Hollister)f * 



1911. Callospermophilus lateralis tescorum Hollister, Smithsonian Misc. Coll., 



vol. 56, No. 26, p. 2, Dec. 5, 1911. 

 1917. Citellus lateralis tescorum Elliot, A check list of mammals of the North 



American continent, the West Indies and the neighboring seas, Suppl., 



Publ. Amer. Mus. Nat. Hist., p. 29, Mar. 27, 1917. 

 Type Locality. — Head of Moose Pass branch of the Smoky River, Alberta, 

 Canada (near Moose Pass, British Columbia). Altitude, 7,000 feet. Range. — 

 Northern Rocky Mountain region in western Alberta, Waterton Lakes, Banff and 

 Jasper National Parks, north to Wapiti River,; eastern British Columbia; west to 

 Columbia River Valley, southeastern British Columbia (Anderson, Nat. Mus. 

 Canada Bull. 102 (1946), p. 112, Jan. 24, 1947) ; northern and central Idaho, 

 and western Montana; north to Mount Selwin, British Columbia; south to 

 Snake River Plains, Idaho (Davis, The Recent mammals of Idaho, pp. 163, 197, 

 Apr. 5, 1939). Zonal range, Canadian and Hudsonian. 



Citellus lateralis castanurus (Merriam)f* 



1890. Tamias castanurus Merriam, North Amer. Fauna No. 4, p. 19, Oct. 8, 

 1890. 



1938. Citellus lateralis castanurus A. H. Howell, North Amer. Fauna No. 56 

 (April), p. 201, May 18, 1938. 



Type Locality. — Park City, Wasatch Mountains, Summit County, Utah. 

 Altitude, 7,000 feet. Range. — Mountains of extreme western Wyoming, south- 

 eastern Idaho, and north-central Utah ; north to Teton Range, Wyo. ; east to Gros 

 Ventre and Salt River Ranges, Wyo.; Wasatch Mountains south to Mount Nebo, 

 Juab County, Utah (Kelson, Univ. Utah Biol. Ser., vol. 11, No. 3, p. 35, Feb. 15, 

 1951) ; west to mountains east of Inkom, Idaho. Zonal range, Canadian and 

 Hudsonian. 



Citellus lateralis chrysodeirus (Merriam) f * 



1890. Tamias chrysodeirus Merriam, North Amer. Fauna No. 4, p. 19, Oct. 8, 

 1890. 



1938. Citellus lateralis chrysodeirus A. H. Howell, North Amer. Fauna No. 56 

 (April), p. 203, May 18, 1938. 



Type Locality. — Fort Klamath [mountains near], Klamath County, Oreg. 

 Range. — Interior Oregon and eastern California north to Columbia River; east 

 to foothills of Blue Mountains; south (in the Sierra Nevada) to Tulare County, 

 Calif.; Sierra Nevada in vicinity of Lake Tahoe, west to and including Cascades 

 in Oregon and Mount Shasta in California. Zonal range, Transition, Canadian, 

 and Hudsonian. 



Citellus lateralis connectens (A. H. Howell) f * 



1931. Callospermophilus chrysodeirus connectens A. H. Howell, Journ. Mamm., 

 vol. 12, No. 2, p. 161, May 14, 1931. 



