650 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
[tertials] dark brown tipped with white; primaries sooty on both 
webs, adjoining the shafts, and white on the remainder of the inner 
webs; the extreme tips white, increasingly so on the inner primaries, 
until at the 7th the whole terminal portion is white; tail-feathers 
with a broad subterminal blackish band, which diminishes from the 
outer rectrices till lost with the increasing age of the bird. Practically 
the duration of the immature stage is very short, the primaries with 
dark undersides being assumed in the second autumn.’’@ 
Adult male.—Wing, 213.5-219 (216.2); tail, 90-94.5 (92.2); ex- 
posed culmen, 22-24 (23); tarsus, 23.5-25.5 (24.5); middle toe, 
23.5-24.5 (24).° 
Adult female.—Wing, 210-221 (215.5); tail, 86-95.5 (90.7); ex- 
posed culmen, 23-25 (24); tarsus, 23.5-24 (23.7); middle toe, 23.5- 
24 (23.7).° 
Breeding in subarctic and temperate Europe and Asia, from British 
Islands to eastern Siberia, mouth of Amur River, and Sea of Okotsk 
(but not in Mongolia nor China); migrating southward to shores of 
Mediterranean, Black, and Caspian Seas; accidental in northern 
India, on Faroe Islands, in Bermudas (Jan. 22 and Feb., 1849), on 
Long Island, New York (Fire Island, Suffolk County, Sept. 15, 1887; 
Rockaway Beach, May 2, 1902), and in Maine (Pine Point, near Scar- 
borough, July 20, 1910). ‘ 
[?] Larus albus (not of Gunnerus, 1767) Scopoxz, Ann. I. Hist. Nat., 1769, 80. 
Larus minutus Pattas, Reise Russ. Reichs, iii, 1776, 702 (Berezof, Tobolsk, 
Siberia); Zoogr. Rosso-Asiat., ii, 1826, 331—Rerzrus, Fauna Suecic&, 1790, 
278.—Meryer and Wotr, Taschenb., ii, 1810, 488.—Tsmuincx, Man. d’Or., 
1815, 508; 2d ed., ii, 1820, 787; pt. 4, 1840, p. 490.—Mryzr, Vog. Liv-u. 
Esthl., 1815, 237; Taschenb., iii, 1822, 205.—Lzacu, Syst. Cat. Mam., etc., 
Brit. Mus., 1816, 41—Mersner and Scuinz, Vég. Schweiz, 1815, 277.— 
Nimsson, Orn. Suec., ii, 1817, 179.—Viemtot, Nouv. Dict. d’Hist. Nat., 
xxi, 1818, 499.—Breum, Lehrb., 1824, 727.—Srepuens, Shaw’s Gen. Zool., 
xiii, pt. 1, 1826, 206.—Bonaparte, Ann. Lyc. N. Y., ii, 1828, 358. —WERNER, 
Atlas, Palmipédes, 1828, pl. 31.—Savi, Orn. Tosc., iii, 1831, 68.—SELBy, 
Brit. Birds, ii, 1833, 484, pl. 92.—St. Hizarre, Expl. Morée, Zool., 1833, 55, 
Atlas, pl. 5.—Jenyns, Man. Brit. Vertebr., 1835, 271—Naumann, Vég. 
Deutschl., x, 1840, 242, pl. 258; Anhang, xiii, 1847, 275.—Srtys-Lone- 
cHamps, Faune Belge, 1842, 151.—Yarrett, Brit. Birds, iii, 1848, 426; 2d 
ed., iii, 1845, 543.—Dre@tanp, Orn. Eur., ii, 1849, 3830.—Tuomeson, Birds 
Ireland, iii, 1851, 315.—MippEeNpvorrr, Reis. Sibir., Zool., 1851, 245 
(Yakutsk).—Ksarrpéuuina, Danm. Fugle, 1852, 334, pl. 41; Suppl., 1854, 
pl. 22, figs. 1, 2.—Liwepore, Naumannia, 1852, 110 (descr. eggs).— 
Branot, in Lehman’s Reis. n. Buchara, 1852, 330 (Caspian Sea).—HEwrrson, 
Eggs Brit. Birds, ii, 1856, 490, pl. 186, fig. 1—ScuuzcEL, Vog. Nederl., 
1854, 604, pls. 355, 356; Dier. Nederl. Vog., 1861, 238; Mus. Pays-Bas, vi, no. 
23, 1863 (Lari), 42.—Hervauin, Syst. Ueb., 1856, 70 (Egypt); Orn. N. O.- 
Afr., Bd. ii, pt. 2, 1873, 1409 (lower Egypt).—Mever, Brit. Birds, vii, 1857, 
118, pl. 300.—Lawrence, in Baird, Rep. Pacific R. R. Surv., ix, 1858, 853.— 
Bairp, Cat. N. Am, Birds, 1859, no. 671.—IRBy, This, 1861, 246 (Jehangira- 
@ Saunders, Cat. Birds Brit. Mus., xxv, 1896, 176. 5 Two specimens. 
