150 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



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



plum.). 

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

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



13, 1938, 11 (Algonquin Prov. Park, Ontario; ])ermanent resident; breeds in 



small numbers; records; s])ec.). 



CANACHITES CANADENSIS ATRATUS J. Grinnell 



Valdez Spruce Partridgi: 



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 i:ominate race, but witii 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 jemale. — Indistinguishable from that of the nominate race. 



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

 race. 



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

 the nominate race. 



Adult male.—Wmg 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 wdthout 

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



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

 culmen 14.3-17.1 (15.8); tarsus 33.7-36.6 (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. 



Tctrao canadensis Lesson, Traite d'Orn., 1831, 501', jiart. — .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, iiart. 



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

 North Amer. Birds, 1872, 233, part. 



(?) Tctrao canadensis (not of Linnaeus) Hartlaur, Journ. liir Orn., 1883, 276, 

 Portage Bay and Chilkat, Alaska). 



°' Twelve specimens from Alaska. 

 "" Eight specimens from Alaska, 



