144 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



hazel marked with black; the .back and upper wing coverts vary from 

 ochraceous-tawny to bright tawny with black bars or blotches, and with 

 wide bufify shaft stripes expanding into whitish wedge-shaped tips ; remiges 

 sepia, the primaries narrowly marked with buff ; the innermost secondaries 

 and the scapulars irregularly barred and speckled with ochraceous-tawny ; 

 rectrices more pointed than in adults and fuscous barred, speckled, and 

 irregularly vermiculated with ochraceous-tawny ; abdomen grayish white 

 indistinctly barred or spotted with dusky and sometimes with a faint 

 yellowish wash; chin and throat white with a buffy yellowish wash. 



Downy young. — Very similar to that of Canachites franklinii but with 

 the upper back more extensively cream buff, the rest of the back between 

 amber brown and antique brown, more or less diluted with buffy. 



Aduit male.— Wing 165-194 (180.4); tail 108-142 (121.9); exposed 

 culmen 12.3-19 (15.2) ; tarsus 32.5-38.8 (35.8) ; middle toe without claw 

 33-40.1 (36.2 mm.). 54 



Adult female.— Wmg 164-191 (177.1) ; tail 97-116 (106.7) ; exposed 

 culmen 12.8-18.9 (15.4); tarsus 31.7-37.4 (34.5); middle toe without 

 claw 30.6-36.5 (33.9 mm.).^^ 



Range. — Resident chiefly in spruce forests, from the Yukon, Kowak 

 River, and Mount McKinley areas of Alaska (McKinley Park, Nulato 

 River, Kowak River, Happy River, Tanana, Circle, etc.) to Yukon 

 (60° 40' N) ; Mackenzie (Mackenzie River, Gros Cape, Fort Simpson, 

 etc.) ; northern Saskatchewan and Alberta (Smith Landing, Athabasca, 

 etc.) ; northern Manitoba (Fort Churchill, York Factory) ; northern 

 Ontario (Fort Severn) ; northern Quebec (Fort Chimo, Ungava, etc.) ; 

 and Labrador (Okkak, Paradise River) ; south to central and to south- 

 eastern British Columbia (Atlin, Telegraph Creek, Bennett, Fort Hud- 

 son's Hope; Laurier Pass, Cypress Creek, Goat Mountain) ; central Al- 

 berta (Simpson Pass, Blueberry Hills, etc.) ; northern Ontario; northern 

 Quebec; Ungava; and Labrador to Newfoundland Labrador. 



Type locality. — Hudson Bay. 



[Tetrao'l canadensis Linnaeus, Syst Nat., ed. 10, i, 1758, 159 (Canada; based on 

 Urogallus maailatus canadensis Edwards, Av., 118, pi. 118; and Urogallus minor 

 americamis Edwards, Av., 71, pi. 71) ; ed. 12, i, 1766, 274. — Gmelin, Syst. Nat., 

 i, pt. 2, 1788, 749.— Latham, Index Orn., ii, 1790, 637.— Gray, Hand-list, ii, 

 1870, 276, No. 9825, part.— Coues, Key North Amer. Birds, 1872, 233, part. 



Tetrao . . . canadensis Forster, Philos. Trans., Ixii, 1772, 389 (Severn River). 



Tetrao canadensis Stephens, in Shaw, Gen. Zool., xi, pt. 2, 1819, 275. — Vieillot, 

 Nouv. Diet. Hist. Nat., xxxiii, 1819, 457 (cites PI. Enl., 131, 132).— Bonaparte, 

 Ann. Lye. Nat. Hist. New York, ii, pt. i, 1826, 127, part; ii, 1828, 442, part; 

 Contr. Maclurian Lye., i, 1827, 23; Geogr. and Comp. List, 1838, 44, part.— 



'* Seventy-five specimens from Alaska, Mackenzie, British Columbia, Yukon, 

 Alberta, Saskatchewan, Ungava, and Labrador. 



"Fifty-five specimens from Alaska, Yukon, Mackenzie, British Columbia, Alberta, 

 Saskatchewan, Ungava, and Labrador. 



