150 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Trans. 7th North Amer. Wildlife Conf., 1942, 315, in text (age indicators in 



plum.). 

 [Canachites] canadensis Sharpe, Hand-list, i, 1899, 19, part. 

 Canachites canadensis subsp. ? MacLulich, Contr. Roy. Ontario Mus. Zool., No. 



13, 1938, 11 (Algonquin Prov. Park, Ontario; permanent resident; breeds in 



small numbers; records; spec). 



CANACHITES CANADENSIS ATEATUS J. Grinnell 



Valdez Spruce Partridge 



Adult male. — Very similar to that of the nominate race, but with the 

 edges of the feathers of the lower back, rump, and upper tail coverts 

 usually lightly tinged with olivaceous. 



Adult female. — Like that of the nominate race, but with the pale tips 

 of the dorsal feathers suffused with pale olive-brown, giving the upper 

 parts generally a brownish-gray appearance (barred with fuscous-black) 

 as compared with the predominantly grayish and blackish of the typical 

 form. 



Immature male. — Indistinguishable from that of the nominate race. 



Immature female. — Indistinguishable from that of the nominate race. 



Juvenal (sexes alike). — Indistinguishable from that of the nominate 

 race. 



Downy young. — None seen ; probably indistinguishable from that of 

 the nominate race. 



Adult male.— Wing 176-189 (181.4); tail 111-125 (120.4); exposed 

 culmen 14.1-19.1 (16.1); tarsus 33.7-38.8 (36.7); middle toe without 

 claw 36.4-40.1 (37.7 mm.).^^ 



Adult female.— Wing 173-184 (178.6) ; tail 102-111 (106) ; exposed 

 culmen 14.3-17.1 (15.8); tarsus 33.7-366 (35.1); middle toe without 

 claw 32.8-36.8 (35.5 mm.).^^ 



Range. — Resident in the coast region of southern Alaska from Bristol 

 Bay to Cook Inlet, Kodiak Island, and Prince William Sound. 



Type locality. — Cedar Bay, Hawkins Island, Prince William Sound, 

 Alaska. 



Tetrao canadensis Lesson, Traite d'Orn., 1831, 501, part. — Swainson and Richard- 

 son, Fauna Bor.-Amer., ii, 1831 (1832), 346, part. — Nuttall, Man. Orn. United 

 States and Canada, Land Birds, 1832, 664, part; ed. 2, 1840, 811, part.— 

 Audubon, Orn. Biogr., ii, 1834, 437, part; v, 1839, 563, part; Synopsis, 1839, 

 203, part; Birds Amer., 8vo. ed., v, 1842, 83, part.— Baird, Cat. North Amer. 

 Birds, 1859, No. 460, part. 



[Tetrao] canadensis Gray, Hand-list, ii, 1870, 276, No. 9825, part.— Coues, Key 

 North Amer. Birds, 1872, 233, part. 



(?) Tetrao canadensis (not of Linnaeus) Hartlaub, Journ. fiir Orn., 1883, 276, 

 Portage Bay and Chilkat, Alaska) . 



" Twelve specimens from Alaska. 

 '° Eight specirnens from Alaska. 



