BIRDS OF NORTH AND MIDDLE AMERICA 93 



dd. Shafts of primaries usually dusky. 



e. Bill slenderer, width at gape averaging about 12 mm. (nw. Mackenzie 



to Quebec) Lagopus lagopus albus (p. 100) 



ee. Bill broader, width at gape averaging 13 mm. or more. 



/. Bill very broad, the width at gape averaging 14.3 mm. in males, 13.6 



mm. in females. 



g. Wings longer, averaging 199.2 mm. in males, 194 mm. in females. 



Lagopus lagopus koreni (extralimital)" 



gg. Wings shorter, averaging 193 mm. in males, 184 mm. in females. 



h. Bill longer, from nostril to tip averaging 11.8 mm. in males, 10.7 



mm. in females (northern Quebec and Labrador). 



Lagopus lagopus ungavus (p. 106) 



hh. Bill shorter, from nostril to tip averaging 10.9 mm. in males, 



10.1 mm. in females (northern Alaska to the Kenai Peninsula). 



Lagopus lagopus alascensis (p. 97) 



//. Bill not so broad. 



g. Plumage entirely white except for tail. 



Lagopus lagopus lagopus, winter (extralimital)" 

 Lagopus lagopus alexandrae, winter (southeastern Alaska) (p. 104) 



■^ Lagopus lagopus koreni. — Tetrao lagopus (not of Linnaeus) Pallas, Zoogr. 

 Rosso-Asiat., ii, 1826, 56, part. — Lagopus lagopus Stejneger, U. S. Nat. Mus. Bull. 

 29, 1885, 194 (Kamchatka; e. Asiatic references); Ogilvie-Grant, Cat. Birds Brit. 

 Mus., xxii, 1893, 40, part (Tobolsk and Omsk, Siberia) ; Allen, Bull. Amer. Mus. 

 Nat. Hist., xxi, 1905, 242 (Gichiga, etc., ne. Siberia; habits). — Lagopus lagopus 

 lagopus Peters, Check-list Birds of World, ii, 1934, 30, part. — Lagopus albus Mid- 

 dendorff, Sibir. Reise, ii, 1883, 190 ; Schrenck, Reise Amurland, i, 1860, 395 ; Radde, 

 Reisen Siid. Ost. Sibir., 1863, 294; (not Tetrao albtis Gmelin) Taczanowski, Journ. 

 ftir Cm., 1873, 98 (e. Siberia); Bull. Soc. Zool. France, 1876, 242; Qrn. Fauna 

 Vost. Sibir., 1877, 47; Seebohm, Ibis, 1879, 148 (Siberia; habits; crit.) ; Bogdanow, 

 Consp. Av. Ross., i, 1884, 32.~Tetrao albus Seebohm, Ibis, 1888, 347 (Great Liakoff 

 Island, Siberia; descr. eggs and young). — Lagopus lagopus albus Riley, Proc. Biol. 

 Soc. Washington, xxiv, 1911, 233, part (e. Siberia). — Lagopus alpinus (not Tetrao 

 alpinus Nilsson) Nelson, Cruise Corwin in 1881 (1883), 82 (n. coast Siberia). — 

 Lagopus lagopus koreni Thayer and Bangs, Proc. New England Zool. Club, v, 

 1914, 4 (Nijni Kalymsk, Kolyma, e. Siberia; coll. Mus. Comp. Zool.) ; Riley, Proc. 

 U. S. Nat. Mus., liv, 1918, 606 (Little Annuj River, Nijni Kolymsk, Kolyma Delta, 

 ne. Siberia; measurements). — (?) Lagopus lagopus okad-ai Momiyama, Annot. Om. 

 Orient, i, 1928, 236 (Nairo, Nairo-mura, Sisuka-gun, Sisuka Prefect.-district, s. 

 Sakhalin). — Lagopus lagopus kamtschatkensis Momiyama, Annot. Om. Orient., i, 

 1928, 238 (Koshegofschenski, w. coast of Kamchatka) ; Bergman, Kenntn. Nordo- 

 stasiat. Vog., 1935, 153 (Kamchatka; habits). 



"Lagopus lagopus lagopus. — [Tetrao] lagopus Linnaeus, Syst. Nat., ed. 10, i, 

 1758, 159 (Lapland; cites Fauna Suecica, 169; etc.); ed. 12, 1766, 274; Briinnich, 

 Orn. Bor., 1764, 59; Latham, Synopsis Birds, Suppl., i, 1787, 290; Index Om., 

 ii, 1790, 639, part (Europe; Siberia); Gmelin, Syst. Nat., i, pt. 2, 1788, 749.— 

 Tetrao lagopus Temminck, Cat. Syst., 1807, 154; Pallas, Zoogr. Rosso-Asiat., ii, 

 1826, 63, part; Lesson, Traite d'Ora, 1831, 501; Yarrell, Hist. Brit. Birds, ii, 1843, 

 322. — Lagopus lagopus Hartert, Ibis, 1892, 511 (Dingken, Germany) ; Ogilvie- 

 Grant, Cat. Birds Brit. Mus., xxii, 1893, 40, part. — [Lagopus] lagopus Sharpe, 

 Hand-list, i, 1899, 18, part (n. Europe). — Lagopus lagopus lagopus Clark, Proc. 

 U. S. Nat. Mus., xxxviii, 1910, 52, in text (Norway; crit.) ; American Ornitholo- 

 gists' Union, Check-list, ed. 3, 1910, 140, part; Riley, Proc. Biol. Soc. Washington, 



