G26 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Baird, Cat. N. Am. Biixls, 1859, no. 664; Rep. U. S. and Mex. Bound. Surv., 

 ii, pt. ii, 1859, 27 (Brazos, Texas). — Cooper and Suckley, Rep. Pacific 

 R. R. Surv., xii, pt. ii, 1860, 273 (Puget Sound, Washington).— Coues, 

 Proc. Ac. Nat. Sci. Phila., 1861, 246 (coast Labrador); 1862, 302 (monogr.); 

 Check List, 1873, no. 548; 2d ed., no. 778; Birds Northwest, 1874, 636; 

 Bull. U. S. Geol. and Geog. Surv. Terr., iv, 1878, 655 (near Mouse River, N. 

 Dakota). — Blakiston, Ibis, 1862, 10 (Saskatchewan River).— Henshaw, 

 Ann. Lye. N. Y., xi, 1875, 13 (Utah); Zool. Exped. W. 100th Merid., 1875, 

 485 (Prove, Utah, Nov. 30); Auk, ii, 1885, 232 (Santa Barbara to San Diego, 

 California, in winter); Birds Hawaiian Is., 1902, 127 (1 spec, exact locality 

 unknown).— RiDG WAY, Orn. 40th Parallel, 1877, 638 (Pyramid Lake, Nevada, 

 Dec); Proc. U. S. Nat. Mus., iii, 1880 (Cat. N. Am. Birds), 207; Nom. N. 

 Am. Birds, 1881, no. 669.— Bendire, Proc. Bost. Soc N. H., xix, 1877, 148 

 (Malheur Lake, e. Oregon, breeding). ^Saunders, Proc Zool. Soc. Lond., 

 1878, 176 (monogr.); Cat. Birds Brit. Mus., xxv, 1896, 273 (Santa Ana, near 

 Guadalajara, Jalisco, Nov.; Presidio de Mazatlan, Sinaloa, Jan., Feb.; 

 Guaymas, Sonora, Dec; etc.). — Reid, Zoologist, 1877, 489 (Bermudas, once); 

 Bull. U. S. Nat. Mus., no. 25, 1884, 266 (Bermudas, 1 spec, Jan. 1, 1849).— 

 Senkett, Bull. U. S. Geol. and Geog. Surv. Terr., iv, 1878, 64 (Galveston, 

 Texas).— Maynard, Birds E. N. Am., 1881, 485.— Belding, Proc. U. S. 

 Nat. Mus., v, 1883, 545 (Cape San Lucas district. Lower California). — Baird, 

 Brewer, and Ridgway, Water Birds N. Am., ii, 1884, 244.— Drew, Auk, 

 ii, 1885, 18 (Colorado, 6,000-9.500 ft.). — American Ornithologists' Union, 

 Check List, 1886, and 2d ed., 1895, no. 54; 3rd ed., 1910, p. 39.— Seton, Auk, 

 iii, 1886, 147 (w. Manitoba, breeding). — Townsend, Proc U. S. Nat. Mus., 

 X, 1887, 192 (Summit Lake, near Mt. Lassen, California, 1 spec, June 5).— 

 Feilden, Trans. Norwich Soc, iv, 1887, 351 (Hudson Bay). — Thompson, 

 Proc. U. S. Nat. Mus., xiii, 1890, 468 (Winnipeg, Lake Winnipeg, etc., 

 Manitoba, breeding).— Cory, Cat. West Ind. Birds, 1892, 82, 135 (Cuba).— 

 Cooke, Bull. 56, Col. Agric Exp. Sta., 1900, 192 (San Luis Lakes, Colorado, 

 7,500 ft., breeding); Bull. 292, U. S. Dept. Agric (Biol. Surv.), 1915, 43, 

 fig. 22 (range and migrations). — Brewster, Bull. Mus. Comp. Zool., xli, 

 no. 1, 1902, 21 (Cape district, Lower California, in winter). — Salvin and God- 

 man, Biol. Centr.-Am., Aves, iii, 1903, 424 (Guaymas, Sonora; Mazatlan and 

 Presidio de Mazatlan, Sinaloa; Guadalajara and Santa Ana near Guadalajara, 

 Jalisco; Gulf of Tehuantepec, Oaxaca; Bermudas; Cuba). — Preble, North 

 Am. Fauna, no. 27, 1908, 267 (breeding n. to Great Slave Lake, Mackenzie). — 

 Wood and Gaige, Pub. 4, Mich. Geol. and Biol. Surv., 1911, 277 (breeding 

 near Neebish Islands, Upper Peninsula, Michigan). — Grinnell (J.), Pacific 

 Coast Avif., no. 11, 1915, 22 (California; winter visitor, whole State). 



[Larus] dclawarensis Gray, Hand-List, iii, 1871, 111, no. 10948. — Coues, KeyN. 

 Am. Birds, 1872, 313.— Cory, List Birds West Ind., revised ed., 1886, 33 

 (Cuba?). — Sh.irpe, Hand-list, i, 1899, 142.— Forbes and Robinson, Bull. 

 Liverp. Mus., ii, no. 2, 1899, 58. 



L[arus] dclawarensis Ridgway, Ann. Lye. N. Y., x, 1874, 391 (Illinois in winter); 

 Man. N. Am. Birds, 1887, 32.— Coues, Key N. Am. Birds, 2d ed., 1884, 

 745. — Bryan, Key Birds Hawaiian Group, 1901, 7 (Hawaiian Islands, acci- 

 dental). 



Larus canus (not of Linnaeus) Bonaparte, Specchio Comp., 1827, 69; Ann. Lye. 

 N. Y., ii, 1828, 359. 



Larus argentatoides (not of Brehm) Bonaparte, Ann. Lye N. Y., ii, 1828, 360 

 (New York). 



Larus zonorhynchus Richardson, in Swainsou and Richardson, Fauna Bor.-Am., 

 ii, 1831, 421 (Saskatchewan, Manitoba).— Nuttall, Man. Orn. U. S. and 

 Can., Water Birds, 1834, 300.— Audubon, Orn. Biog., iii, 1835, 98, pi. 212; 



