424 U. S. NATIONAL MUSEUM BULLETIN 205 



1884. Castor fiber True, Proc. U. S. Nat. Mus., vol. 7 ( App., Circ. 29) , p. 596, 

 Nov. 29, 1884. 



1890. Castor canadensis Merriam, North Amer. Fauna No. 3, p. 59, Sept. 11, 

 1890. 



Type Locality. — Hudson Bay. Range. — Originally in most wooded parts of 

 central Canada from western Quebec, Ontario north to James Bay and Hudson 

 Bay, eastern and northern Manitoba, central and northern Saskatchewan, north- 

 ern Alberta, northeastern British Columbia, western part of Mackenzie District to 

 Mackenzie delta, and northern Yukon (Anderson, Nat. Mus. Canada Bull. 102 

 (1946) , p. 131, Jan. 24, 1947) ; and to north of Arctic Circle in lakes near Kobuk 

 River in northwest Alaska (A. M. Bailey and Hendee, Journ. Mamm., vol. 7, 

 No. 1, p. 20, Feb. 15, 1926) ; southward in Rocky Mountains to Yellowstone 

 National Park, Wyo. (V. Bailey, General information regarding Yellowstone 

 National Park, season of 1917, U. S. Nat. Park Service, p. 49, 1917) and through 

 first and second prairie steppes in southeastern Saskatchewan (Soper, Journ. 

 Mamm., vol. 27, No. 2, p. 144, May 14, 1946) into Souris (Mouse) River and 

 also in Red River drainage of eastern North Dakota (V. Bailey, North Amer. 

 Fauna No. 49 (1926) p. 105, Jan. 8, 1927) and of western Minnesota. 



Castor canadensis eaecator Bangs* 



1913. Castor eaecator Bangs, Bull. Mus. Comp. Zool., vol. 54, p. 513, July 



1913. 

 1942. Castor canadensis eaecator G. M. Allen, Extinct and vanishing mammals 



of the western hemisphere . . . , p. 62, Dec. 11, 1942. 

 Type Locality. — Near Bay St. George, Newfoundland. Range. — Restricted 

 to Island of Newfoundland. 



Castor canadensis miehiganensis V. Bailey f * 



1913. Castor canadensis miehiganensis V. Bailey, Proc. Biol. Soc. Washington, 

 vol. 26, p. 192, Oct. 23, 1913. 



Type Locality .— Tahquamenaw River (5 miles above falls), Luce County, 

 Mich. Range. — In Canada, southern part of Algoma District (Pancake Bay), 

 Ontario, east of Lake Superior (Anderson, Nat. Mus. Canada Bull. 102 (1946), 

 p. 132, Jan. 24, 1947) ; Upper and Lower Peninsulas of Michigan (Burt, Mam- 

 mals of Michigan, p. 199, 1946) ; northeastern Minnesota (Cahn, Journ. Mamm., 

 vol. 2, No. 2, p. 72, May 2, 1921) ; and Wisconsin. 



Castor canadensis laforadorensis V. Bailey and Doutt* 



1942. Castor canadensis labradorensis V. Bailey and Doutt, Journ. Mamm., 

 vol. 23, No. 1, p. 86, Feb. 14, 1942. 



Type Locality. — Five miles above Grand Falls, Hamilton River, Labrador. 

 Range. — Eastern Labrador, in valleys of Hamilton and Paradise Rivers, which 

 drain eastward into Atlantic Ocean. 



Castor canadensis acadiens V. Bailey and Douttf * 



1942. Castor canadensis acadicus V. Bailey and Doutt, Journ. Mamm., vol. 

 23, No. 1, p. 87, Feb. 14, 1942. 



Type Locality. — Nepisiquit River, New Brunswick, Canada. Range. — New 

 Brunswick, Nova Scotia, southern and central Quebec, north at least to Lake 

 Mistassini (Anderson, Nat. Mus. Canada Bull. 102 (1946), p. 132, Jan. 24, 



