NEW MEXICO: _Taos Co._: 3 mi. N Red River, 2 BS; Taos, 1 BS. _Colfax Co._: 1 mi. S and 2 mi. E Eagle Nest, 8100 ft., 2 KU. _Sandoval Co._: Jemez Mts., 3 BS. _Santa Fe Co._: Hyde Park, 5 mi. NE Santa Fe, 2 HC; Santa Fe Field Station, 1 HC; Santa Fe Ski Basin, 1 KU; Pecos Baldy, 4 BS. _Torrance Co._: Manzano Mts., 2 BS. _Marginal Records._--ALASKA: Chandler Lake, 68 deg. 12' N, 152 deg. 45' W; Yukon River, 20 mi. above Circle; Mountains near Eagle. MACKENZIE: Nahanni River Mts.; Fort Simpson; Fort Resolution, Mission Island. ALBERTA: Wood Buffalo Park; Athabaska River, 30 mi. above Athabaska Landing. SASKATCHEWAN: Cypress Hills. MONTANA: St. Mary; 4 mi. S Fort Logan; Pryor Mts. WYOMING: 1 mi. W and 1 mi. S Buffalo, 27424 KU; Springhill, 12 mi. N Laramie Peak; 5 mi. W and 1 mi. N Horse Creek PO. COLORADO: Boulder; Hunters Creek; 5 mi. S and 1 mi. W Cuchara Camps. NEW MEXICO: 3 mi. N Red River, 10,700 ft.; Pecos Baldy; Manzano Mts.; Jemez Mts. COLORADO: Navajo River (Jackson, 1928:120); Silverton. UTAH: La Sal Mts., 11,000 ft. COLORADO: Baxter Pass. UTAH: junction Trout and Ashley Creeks, 9700 ft. (Durrant, 1952:35); Mirror Lake, 10,000 ft.; Mt. Baldy R. S. (Durrant, 1952:53); Wildcat R. S.; Pine Valley Mts.; Puffer Lake; Butterfield Canyon. IDAHO: Preuss Mts.; 4 mi. S Trude (Davis, 1939:104); head Pahsimeroi River, Pahsimeroi Mts.; Perkins Lake; 1 mi. NE Heath; _1/2 mi. E Black Lake_. MONTANA: Sula; 8 mi. NE Stevensville. WASHINGTON: head Pass Creek; Conconully; Wenatchee; Easton; Stehekin; Pasayten River. BRITISH COLUMBIA: Second Summit, Skagit River, 5000 ft., (Jackson, 1928:120); Babine Mts., 6 mi. N Babine Trail, 5200 ft.; Hazleton (Jackson, 1928:120); 23 mi. N Hazleton; Flood Glacier, Stikine River (Jackson, 1928:120); Cheonee Mts. (_ibid._); Level Mtn.; west side Mt. Glave, 4000 ft., 14 mi. S and 2 mi. E Kelsall Lake. ALASKA: head Toklat River; Tanana; Alatna; Bettles. =Sorex vagrans soperi= Anderson and Rand _Sorex obscurus soperi_ Anderson and Rand, Canadian Field-Nat., 59:47, October 16, 1945. _Type._--Adult male, skin and skull; No. 18249, Nat. Mus. Canada; obtained on September 21, 1940, by J. Dewey Soper, from 2-1/2 mi. NW Lake Audy, Riding Mtn. Nat'l Park, Manitoba. _Range._--Southwestern Manitoba to central Saskatchewan. _Diagnosis._--Size medium to small for the species; measurements of type and two topotypes are: total length, 107, 108, 117; tail, 45, 45, 45; hind foot, 12.1, 12.3, 12.5. Color dark brownish or fuscous in summer pelage; winter pelage unknown. _Comparison._--Resembles _S. v. obscurus_ in size; darker than _obscurus_ in summer pelage; cranium slightly higher and top more nearly flat; larger and darker in summer pelage than the new subspecies from central Montana.