BIRDS OF NORTH AND MIDDLE AMERICA 127 



Adult female, winter plumage. — Like that of L. m. rupestris. 



Other plumages apparently unknown. 



Adult male.— Wing 173-196 (186.3) ; tail 97-125 (115.8) ; bill from 

 anterior end of nostril to tip 9.6-10.4 (9.9) ; width of bill at gape 10.6-11.4 

 (11.1) ; height of bill at angle of gonys 7.9-7.9 (7.9 mm.).^^ 



Adult female. — Wing 174-182; tail 96-98; bill from anterior end of 

 nostril to tip 8-8.9; width of bill at gape 10.4-11.5 ; height of bill at angle 

 of gonys 7.8-7.9 mm.^^ 



Range. — Resident in the highest diorite and syenite rock barrens of 

 the alpine summits of Newfoundland. ; 



Type locality. — Newfoundland. 



Lagopus welchi Brewster, Auk, ii, 1885, 194 (Newfoundland; coll. W. Brewster). — 

 American Ornithologists' Union, Check-list, No. 303, 1886, ed. 2, 1895, No. 

 303; ed. 3, 1910, 142.— Palmer, Proc. U. S. Nat. Mus., xiii, 1890, 261 (Cloud 

 Hills, Canada Bay, Newfoundland). — Bendire, Life Hist. North Amer. Birds, 

 i, 1892, 82.— Macoun, Cat. Can. Birds, 1900, 209 (Newfoundland).— Macoun 

 and Macoun, Cat. Can. Birds, ed. 2, 1909, 228 (Newfoundland). — Griscom, 

 Ibis, 1926, 672 (Newfoundland).— Henninger, Wils. Bull, xxii, 1910, 119 

 (descr. eggs).— Arnold, Auk, xxix, 1912, 76. — Bangs, Bull. Mus. Comp. Zool., 

 Ixx, No. 4, 1930, 155 (type in Mus. Comp. Zool.). 



L[agopus] ivelchi Ridgway, Man. North Amer. Birds, 1887, 201.— Coues, Key North 

 Amer. Birds, ed. 5, 1903, ii, 748. 



[Lagopxis] welchi Sharpe, Hand-list, i, 1899, 19. 



Lagopus rupestris welchi Elliot, Gallin. Game Birds North Amer., 1897, 157, 

 207. — American Ornithologists' Union, Check-list, ed. 4, 1931, 83. — Taverner, 

 Birds Canada, 1934, 159 in text.— Brooks, Auk, liii, 1936, 343 (Avalon Penin- 

 sula, Newfoundland). — Aldrich and Nutt, Sci. Publ. Cleveland Mus. Nat. 

 Hist., iv, 1939, 19 (e. Newfoundland). 



L [agopus] r[upestris] welchi Hantzsch, Journ. f iir Ora, 1908, 367, in text ; Can. 

 Field Nat., xlii, 1928, 14 (Newfoundland). 



Lagopus niuius ivelchi Oberholser, Auk, xxxix, 1922, No. 2, 247. — Peters, Check- 

 list Birds of World, ii, 1934, 34 (Alpine summits of Newfoundland). — Salo- 

 MONSEN, Moults and Sequence of Plumages in Rock Ptarmigan, 1939, 10 (spec). 



Lagopus rupestris (not Teirao rupestris Gmelin) [Sclater], Ibis, 1889, 261 (New- 

 foundland).— Ogilvie-Grant, Cat. Birds Brit. Mus., xxii, 1893, 48, 247, part 

 (Newfoundland). 



Lagopus rupestris rupestris Taverner, Ann. Rep. Nat. Mus. Canada for 1'928 

 (1929), 37, 38, part (Newfoundland). 



Lagopus mutus rupestris Hellm.a.yr and Conover, Cat. Birds Amer., i. No. 1. 

 1942, 206, part (Newfoundland; syn.). 



LAGOPUS LEUCURUS LEUCURUS (Swainson) 



White-tailed Ptarmigan 



Adult male, summer plumage. — Forehead, crown, nape, occiput, inter- 

 scapulars, inner upper wing coverts and scapulars, back, rump, upper 



Four specimens. 

 Two specimens. 



