592 BULLETIN" 50, UNITED STATES NATIONAL MUSEUM. 



Club, i, 1876, 41 (regular winter visitant to Lake Michigan, n. e. Illinois).— 

 KuMLiEN, Bull. U. S. Nat. Mus., no. 15, 1877, 97 (Cumberland Sound and s. 

 Greenland).— Saundkrs, Proc. Zool. Soc. Lond., 1878, 166 (monogr.); ed, 

 Yarrell's Brit. Birds, iii, 1884, 642; Man. Brit. Birds, 1889, 665; Cat. Birds 

 Brit. Mus., XXV, 1896, 295 (Mount's Bay, Cornwall; Towyn, Wales; Iceland, 

 winter; Greenland; Newfoundland, Dec). — Ridgway, Proc. U. S. Nat. 

 Mus., iii, 1880 (Cat. N. Am. Birds no. 661), 206; Nom. N. Am. Birds, 1881, 

 no. 661. — Maynard, Birds E. N. Am., 1881, 483 (Boston Harbor, rare in 

 winter).— Bangs, (A. E. and 0.), Bull. Nutt. Orn. Club, vi, 1881, 124 (Boston, 

 Massachusetts, Jan. 31, 1880).— Merriam, Bull. Nutt. Orn. Club, vi, 1881, 

 235 (Lewis Co., New York, rare winter vistant). — Cory, Bull. Nutt. Orn. 

 Club, vii, 1882, 60 (near Boston, Nov., 1881).— Brewster, Bull. Nutt. Orn. 

 Club, viii, 1883, 125 (Maine). — Baird, Brewer, and Ridgway, Water Birds 

 N. Am., ii, 1884, 216. — Fischer and Pelzeln, MT. Orn. Ver. Wien, 



1886, 210 (Jan Mayen Land, breeding). — Seebohm, Hist. Brit. Birds, iii, 

 1885, 333.— LtJTKEN, Ornis, 1885, 145 (Denmark).— Grondal, Ornis, 1886, 

 370 (Iceland). — American Ornithologists' Union, Check List, 1886, and 

 2d ed., 1895, no. 43; 3d ed., 1910, p. 36.— Feilden, Trans. Norw. Soc, iv, 



1887, 351 (Digges Island, breeding).— Harvie-Brown and Buckley, Fauna 

 Sutherl., 1887, 234; Fauna Outer Hebrides, 1888, 149.— Greely, Rep. Exped. 

 Lady Franklin Bay, ii, 1888, 22 (Smith Sound). — Chamberlain, Auk, \'i, 



1889, 215 (s. Greenland). — Stevenson and Southwell, Birds Norfolk, iii, 



1890, 336.— Clarke (W. E.), Zoologist, 1890, 50 (Jan Mayen Land, breeding 

 habits); Proc. Roy. Phys. Soc. Edinb., xiv, 1899, 164-167 (descr. white 

 stage). — Buckley and Harvie-Brown, Fauna Orkney Is., 1891, 234. — 

 Gatke, Vogelw. Helgoland, 1891, 567. — Hagerup, Birds Greenland, 1891, 

 46. — MacFarlane, Proc. U. S. Nat. Mus., «iv, 1891, 418 (not found in 

 Mackenzie). — Ogilvie, Zoologist, 1892, 114 (Aldeburgh). — Hartert, Ibis, 

 1892, 521 (e. Prussia, 1 spec.).— Lilford, Col. Figs. Brit. Birds, 1893, pt. 

 xxvi. — GuRNEY, Zoologist, 1894, 85 (Norfolk, England).^DuBois, Vertebr. 

 Belg., Ois., ii, 1894, 580, pi. 290.— Porter, Auk, xii, 1895, 76 (Stamford, 

 Connecticut, Feb. 16 and March 3, 1894). — Schalow, Journ. fiir Orn., 1895, 

 464 (w. Greenland; descr. eggs); Vogel der Arktis, 1904, 145 (synonymy, 

 range, etc.).— Ames, Auk, xviii, 1901, 106 (Toronto, Ontario, Dec. 2, 1898).— 

 DwiGHT, Auk, xxiii, 1906, 34 (crit.).— Fleming, Auk, xxiii, 1906, 442 (To- 

 ronto, Dec. 12, 1898).— Preble, N. Am. Fauna, no. 27, 1908, 264 (Felix 

 Harbor, Boothia; Melville Island; Arctic coast, breeding; Cambridge Bay, 

 Victoria Land, breeding). — Jones, Wilson Bull., xxi, 1909, 68 (Lorain, 

 Ohio, Dec. 22, 1888).— Cooke, Bull. 292, U. S. Dept. Agric (Biol. Surv.), 

 1915, 25, fig. 9 (range and migrations). 



[Larus] leucopterus Reinhardt, Journ. fiir Orn., 1854, 443 (Greenland). ^G ray, 

 Hand-list, iii, 1871, 112, no. 10962.— Coues, Key N. Am. Birds, 1872, 311.— 

 Sharpe, Hand-list, i, 1899, 142. — Forbes and Robinson, Bull. Liverp. 

 Mus., ii, no. 2, 1899, 58 (Davis Strait; Iceland; Barra Firth, Shetland Islands; 

 crit.). 



L\arus] leucopterus Keyserling and Blasius, Wirb. Eur., 1840, pp. xcvi, 243. — 

 HoLBOLL, Naturh. Tidssk., i.^, 1843, 418 (Greenland). — Gray, Gen. Birds, 

 iii, 1846, 654.— Blasius, Journ. fiir Orn., 1865, 382 (crit.).— Nelson, Bull. 

 Essex Inst., viii, 1876, 145 (regular winter resident on Lake Michigan, north- 

 east Illinois). — Coues, Key N. Am. Birds, 2d ed., 1884, 741.— Ridgway, 

 Man. N. Am. Birds, 1887, 26. 



Laroides leucopterus Brehm, Isis, 1830, 993; Vog. Deutschl., 1831, 746; Nau- 

 mannia, 1855, 294. — Bonaparte, Naumannia, 1854, 211. 



[Laroides] leucopterus Bruch, Journ. fiir Orn., 1855, 281 (monogr.). 



