16 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male in autumn and winter. — Similar to the spring and sum- 

 mer plumage, but blue of chin and throat replaced by dull whitish, 

 feathers of lower throat and chest tipped with whitish, and flanks and 

 under tail-coverts more strongly tinged with buff. 



Adult female. — Similar to the adult male, but blue and cinnamon- 

 rufous of throat replaced by buffy white, or but partially indicated, 

 no rufous across lower chest, and blackish chest-band continued for- 

 ward at extremities along sides of throat (decreasing in width and 

 more broken anteriorly). 



Young. — Above dark sooty brown or dusky, the hindneck, back, 

 scapulars, smaller wing-coverts, rump, and upper tail-coverts con- 

 spicuously streaked with dull brownish white (the streaks broader 

 and more fulvous on upper tail-coverts) ; under parts dull white, con- 

 spicuously streaked with dark sooty^ brown, the streaks coalescing 

 into a nearly uniform band across upper chest. 



Adult maZe.— Length (skins), 128-166 (144); wing, 71.5-78.5 

 (74.9); tail, 51.5-57.5 (53.9); exposed culmen, 11.5-12.5 (12.2); tar- 

 sus, 27-29 (28.2); middle toe, 15-16 (15.9). « 



Adult female. ^Length (skins), 129-158 (145); wing, 69.5-73.5 

 (71.4); tail, 49.5-54 (52); exposed culmen, 11.5-12.5 (12); tarsus, 

 26.5-27.5 (26.9); middle toe, 14-15 (14.5).'' 



Northern portions of Paltearctic Region, breeding within the Arctic 

 Circle, from the Scandinavian peninsula to eastern Siberia and (locally 

 or sporadically) western Alaska (breeding at Cape Blossom) , and south- 

 ward on highly elevated parts of central Asia to the northern Hima- 

 la3^as ; during migration southward over central and southern Europe 

 to Palestine and Abyssinia, and through Turkestan, Mongolia, and 

 northern China to Beluchistan, India, Ceylon, Burma, Andaman 

 Islands, and southern China; accidental or occasional visitant to 

 British Islands during migrations. 



[Motadlla] suecica Linn.eus, Syst. Nat., ed. 10, i, 1758, 187 (ex Fauna Suecica); 

 ed. 12, i, 1766, 336, part (includes C. cyanecula). 



Ficedida suecica Boie, Isis, 1822, 553, part. 



Curruca suecica Selby, Trans. Nat. Hist. Soc. Northunib., i, 1831, 255. 



Cyanecula suecica Brehm, Isis, 1828, 120; Vog. DeutschL, 1831, 350. — Ruppell, 

 Syst. Ueb., 1845, 57.— Gray, Cat. Mam., etc., Nepal Coll. Hodgs., 1846, 70; 

 ed. 1863, 35; Cat. Brit. Birds, 1863, 59.— Blyth, Cat. Birds Mus. Asiat. Soc. 

 Beng., 1849, 167. — Horsfield and Moore, Cat. Birds Mus. East Ind. Co., i, 

 1854, 311.— Heuglin, Syst. Ueb., 1856, 25; Orn. N. Ost-Afr., i, 1869, 336.— 

 SwiNHOE, Ibis, 1867, 394 (Amoy, China); 1882,* 108 (Kandahar, s. Afghan- 

 istan).— Gould, Birds Gt. Brit., ii, 1869, pi. 49.— Godwin-Austen, Journ. 

 Asiat. Soc. Beng., xxxix, pt. 2, 1870, 270.— Shelley, Birds Egypt, 1872, 

 85. — Dresser, Ibis, 1875, 341 (Turkestan).— Seebohm and Harvie Brown, 

 Ibis, 1876, 125 (lower Petchora, Russia).— Blanford, East Persia, ii, 1876, 

 169.— Hume and Davison, Stray Feath., vi, 1878, 337.— Adams, Ibis, 1878, 

 422 (St. Michael, Alaska, 7 specimens, .Tune 5, 1851).— Legge, Birds Ceylon, 



a Seven specimens, b Four specimens. 



