BIRDS OP NORTH AND MIDDLE AMERICA 133 



LAGOPUS LEUCURUS RAINIERENSIS Taylor 



Mount Rainier Ptarmigan 



Adults in summer plumage. — Very similar to the corresponding plu- 

 mage of Lagopus leucurus peninsularis, but with the dark areas deep black 

 without a slight brownish tinge found in the Kenai form. 



Other adult plumages identical with the Kenai subspecies, but with 

 longer wings on the average ; the young plumages not distinguishable 

 from those of Lagopus leucurus peninsularis. 



Adult male.— Wing 177-187 (180.3) ; tail 85-106 (98.2) ; exposed 

 culmen 13.1-14.9 (14.1); tarsus 33.8-35.0 (34.3); middle toe without 

 claw 26.8-28.5 (27.7 mm.).^^ 



Adult female.— Wmg 171-183 (174.6); tail 87-92 (87.5); exposed 

 culmen 12.2-14.2 (13.4); tarsus 34.4-34.7 (34.6); middle toe without 

 claw 27.2-28.3 (26.3 mm.).^^ 



Range. — Resident on the alpine summits of Washington from Barron 

 (6,000 feet, near Windy Pass, Whatcom County) to Mount Rainier south 

 to Mount St. Helens.-*^ 



Type locality. — Pinnacle Peak, 6,200 feet, Mount Rainier, Wash. 



Tetrao (Lagopus) leucurus (not of Svvainson) Nuttall, Man. Orn. United States 

 and Canada, Land Birds, ed. 2, 1840, 820, part ("snowy peaks of the Columbia 

 River"). 



Lagopus leucurus Baird, in Cooper, Orn. California, Land Birds, 1870, 542, part 

 ("highest peaks of Washington Territory"). — Baird, Brewer, and Ridgway, 

 Hist. North Amer. Birds, iii, 1874, 464, part (Cascade Mountains, Washington 

 and Oregon). — CouES, Check List North Amer. Birds, ed. 2, 1882, No. 570. — 

 American Ornithologists' Union, Check-list, No. 304, 1886; ed. 2, 1895, No. 

 304, part (mountains of Washington and Oregon). — Rhoads, Proc. Acad. Nat. 

 Sci. Philadelphia, 1893, 38, part (Mount Tacoma, Wash.). — Ocilvie- Grant, 

 Cat. Birds British Mus., xxii, 1893, 52, part (Oregon, Washington).— Dawson, 

 Wils. Bull., iii, 1896, 3 (Okanogan County, Wash., 9,000 feet) ; Auk, xiv, 

 1897, 173 (same).— Bailey, Handb. Birds Western United States, 1902, 129, 

 part. — Woodcock, Oregon Agr. Exp. Stat. Bull. 68, 1902, 27 (Oregon range).— 

 JuDD, U. S. Biol. Surv. Bull. 24, 1905, 47, 48, part (range, food, etc.).— 

 Dawson and Bowles, Birds Washington, ii, 1909, 590 (descr., habits, etc., 

 Washington). 



L[agopiis] leucurus Coues, Key North Amer. Birds, ed. 2, 1884, 588, part. — 

 Ridgway, Man. North Amer. Birds, 1887, 202, part (high mountains of Oregon 

 and Washington). 



[Lagopus] leucurus Sharpe, Hand-list, i, 1899, 19, part. 



Lagopus leucurus leucurus American Ornithologists' Union, Check-list, ed. 3, 

 1910, 142, part (Washington; nw. Montana ?). — Gabrielson and Jeweit, Birds 

 Oregon, 1940, 602 (no definite Oregon records). 



*" Six specimens from Washington. 

 " Five specimens from Washington. 



■" In Whatcom and Skagit Counties, northwestern Washington, this form and the 

 nominate race meet, and the individual specimens may resemble either race. 



653008°— 46 10 



