RODENTIA: CRICETIDAE 613 



Type Locality. — Fort Buford, Williams County, N. Dak. Range. — Restricted 

 to local areas of sagebrush and shortgrass on high plains of semiarid division of 

 Transition Zone at elevations of 2,000 to 3,400 feet from northwestern North 

 Dakota (recorded from Fort Buford and Glen Ullin by V. Bailey, North Amer. 

 Fauna No. 49 (Dec. 1926), p. 101, Jan. 8, 1927), eastern Montana, south- 

 western Saskatchewan (recorded from Battle Creek, Cypress Lake, Eastend, 

 Frenchman River, Prairie Dog Buttes, Rocky Creek, Fife Lake, Big Muddy Coulee, 

 and Big Muddy Lake by Soper, Journ. Maram., vol. 27, No. 2, p. 148, May 14, 

 1946), and southern Alberta as far north as Calgary and Little Sandhill Creek, 

 Red Deer River (Anderson, Nat. Mus. Canada Bull. 102 (1946), p. 164, Jan. 24, 

 1947) . 

 Lagurus curtatus pauperrimus (Cooper) f * 



1868. Arvicola pauperrima Cooper, Amer. Nat, vol. 2, p. 535, December 1868. 



1891. Arvicola pauperrimus Merriam, North Amer. Fauna No. 5, p. 64, July 30, 

 1891. 



1912. L[agurus] pauperrimus Thomas, Ann. Mag. Nat. Hist., ser. 8, vol. 9, 

 p. 401, April 1912. 



1913. Microtus {Lagurus) curtatus artemisiae Anthony, Bull. Amer. Mus. Nat. 

 Hist., vol. 32, p. 14, Mar. 7, 1913. (Ironside, Malheur County, Oreg. Alti- 

 tude, 4,000 feet. Regarded as identical with pauperrimus by V. Bailey, 

 North Amer. Fauna No. 55 (June), p. 214, Aug. 29, 1936. See also Hall, 

 Mammals of Nevada, p. 560, July 1, 1946.) 



1941. Lemmiscus curtatus pauperrimus Goldman, Proc. Biol. Soc. Washington, 

 vol. 54, p. 70, July 31, 1941. 



1946. [Lagurus curtatus] pauperrimus Hall, Mammals of Nevada, p. 560, 

 July 1, 1946. 



Type Locality. — Plains of the Columbia, near Snake River, southwestern 

 Washington. (Probably from Bunchgrass Hills near Wallula [Old Fort Walla 

 Walla], Walla Walla County, according to Dalquest, Univ. Kansas Publ. Mus. Nat. 

 Hist., vol. 2, p. 359, Apr. 9, 1948.) Range. — In Washington known only from 

 type locality and from Badger Mountains, 8 miles southwest of Waterville (Dal- 

 quest, loc. cit.) ; and from sagebrush country of eastern Oregon in Transition 

 and upper edge of Sonoran Zones; recorded from Bakeoven, Antelope, Steens 

 Mountains, Cedar Mountains, Skull Spring, McDermitt, Disaster, Creston, Iron- 

 side, Fort Rock and Rock Creek north of Hart Mountain (V. Bailey, North Amer. 

 Fauna No. 55 (June), p. 214, Aug. 29, 1936), and from 36 miles west of Burns 

 (A. W. Moore, Journ. Mamra, vol. 24, No. 2, p. 188, June 7, 1943) . 



Lagurus curtatus intermedius (Taylor) * 



1911. Microtus (Lagurus) intermedius Taylor, Univ. California Publ. Zool., 

 vol. 7, No. 7, p. 253, June 24, 1911. 



1912. Lagurus intermedius Miller, U. S. Nat. Mus. Bull. 79, p. 228, Dec. 31, 

 1912. 



1934. Lagurus curtatus intermedius Borell and Ellis, Journ. Mamm., vol. 15, 



No. 1, p. 35, Feb. 15, 1934. 

 Type Locality. — Head of Big Creek, Pine Forest Mountains, Humboldt County, 

 Nev. Altitude, 8,000 feet. Range.— Nevada north of lat. 38°30' N., except 



213756—55 40 



