568 U. S. NATIONAL MUSEUM BULLETIN 205 



1937. Clethrionomys daivsoni daivsoni Anderson, Mammals and birds of the 

 Western Arctic District, Northwest Territories, Canada, in Canada's Western 

 Northland, Dept. Mines and Resources, Ottawa, p. 112, July 9, 1937. 

 1950. Clethrionomys rutilus daivsoni Rausch, Journ. Washington Acad. Sci., 



vol. 40, No. 4, p. 134, Apr. 21, 1950. 

 Type Locality. — Finlayson River, a northern source of Liard River, lat. 61°30' 

 N.; long. 129°30' W., Yukon, Canada. Altitude, 3,000 feet. Range.— From 

 Thelon Game Sanctuary along north shore of Great Slave Lake, including adja- 

 cent islands, and upper Mackenzie River, Liard River, northwest British Columbia 

 (Alaska Highway), southeastern Yukon (Canol Road), Canada (Anderson, Nat. 

 Mus. Canada, Bull. 102 (1946), p. 154, Jan. 24, 1947); west to Juneau and 

 Yakutat, and north along coast to Norton Sound and nearly to Bering Strait 

 (Teller), Alaska (Orr, Journ. Mamm., vol. 26, No. 1, pp. 70-71, Feb. 27, 1945). 

 Recorded from northern edge of Brooks Range (2,000 to 3,500 feet) and from 

 Umiat (300 to 500 feet) at edge of Arctic Coastal Plain (Rausch, loc. cit.) . 



Clethrionomys rutilus wasliburni Hanson 



1952. Clethrionomys rutilus wasliburni Hanson, Journ. Mamm., vol. 33, No. 4, 

 p. 500, Nov. 19, 1952. 



Type Locality. — Perry River, Mackenzie District, Northwest Territories, Can- 

 ada, lat. 67°34' N., long. 102°07' W. Range.— Known from type locality only. 



Clethrionomys rutilus orca (Merriam)f* 



1900. Evotomys orca Merriam, Proc. Washington Acad. Sci., vol. 2, p. 24, 



Mar. 14, 1900. 

 1945. Clethrionomys dawsoni orca Orr, Journ. Mamm., vol. 26, No. 1, p. 72, 



Feb. 27, 1945. 

 1950. Clethrionomys rutilus orca Rausch, Journ. Washington Acad. Sci., vol. 



40, No. 4, p. 135, Apr. 21, 1950. 

 Type Locality. — Orca, Prince William Sound, Alaska. Range. — Alaskan main- 

 land bordering Prince William Sound; also several islands in western part of 

 the sound (Orr, Journ. Mamm., vol. 26, No. 1, p. 72, Feb. 27, 1945). 



Clethrionomys rutilus insularis (Heller) 



1910. Evotomys dawsoni insularis Heller, Univ. California Publ. Zool., vol. 5, 



No. 11, p. 339, Mar. 5, 1910. 

 1945. Clethrionomys dawsoni insularis Orr, Journ. Mamm., vol. 26, No. 1, 



p. 72, Feb. 27, 1945, 

 1950. Clethrionomys rutilus insularis Rausch, Journ. Washington Acad. Sci., 



vol. 40, No. 4, p. 135, Apr. 21, 1950. 

 Type Locality.— Canoe Passage, Hawkins Island, Prince William Sound, 

 Alaska. Range. — Known only from Hawkins and Hinchinbrook Islands, Prince 

 William Sound. 



Clethrionomys rutilus watsoni Orr 



1945 Clethrionomys dawsoni watsoni Orr, Journ. Mamm., vol. 26, No. 1, p. 73, 



Feb. 27, 1945. 

 1950. Clethrionomys rutilus watsoni Rausch, Journ. Washington Acad. Sci., 



vol. 40, No. 4, p. 135, Apr. 21, 1950. 

 Type Locality. — Cape Yakataga, Alaska. Range. — Vicinity of type locality in 

 southeastern Alaska. 



