460 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



migrant).— WiDMANN, Auk, xiii, 1896, 264 (Greene Co., Arkansas, May 

 7_9)._BEyBR, Proc. Louis. Soc. Nat. for 1897-99 (1900), 111 (Louisiana).— 

 BuTLEE, Proc. Ind. Ac. Sci., 1899 (1900), 151 (near Greensburg, Decatur Co., 

 Indiana, 1 spec, May 2, 1899). 



HielmimhopUla] hachmani Codes, Key N. Am. Birds, 2d ed., 1884, 294.— Eidg- 

 WAY, Man. N. Am. Birds, 1887, 487. 



HelminthopUla bachmanii Ridgway, Auk, xiv, 1897, 309 (Dunklin Co., s. e. Mis- 

 souri; desor. nest and eggs).— Wayne, Auk, xviii, 1901, 274 (Mount Pleas- 

 ant, South Carolina, May 15). 



HelminthopUla bachmanni Shaepb, Cat. Birds Brit. Mus., x, 1885, 239. 



HELMINTHOPHILA PEREGRINA (Wilson). 

 TENNESSEE WARBLER. 



Adult Tnale. — Pileum and hindneck plain gray (intermediate between 

 mouse gray and slate-gray); rest of upper parts plain olive-green, 

 brightest on rump; remiges dusky, the secondaries edged with olive- 

 green, the primaries with pale gray (edge of outermost primary white); 

 tail dull gray, the outer webs of rectrices edged with olive-green, the 

 inner webs edged with white, that of outermost rectrix usually with a 

 white terminal spot of greater or less extent; lores and short super- 

 ciliary streak white, the former with a dusky wedge-shaped streak in 

 front of eye; a more or less distinct, but small, postocular streak of 

 dusky; auricular region grayish; suborbital region, malar region, and 

 under parts white, the sides and ilanks shaded with gray; under wing- 

 coverts and axillars white; maxilla brownish black, mandible slightly 

 paler; iris brown; legs and feet horn color (in dried skins); length 

 (skins), 102.9-119.4 (112.6); wing, 62.5-67.8 (64.5); tail, 41-46 (42.4); 

 exposed culmen, 9.4-9.9 (9.6); tarsus, 15.5-17.8 (16.8).' 



[Adult males in winter do not differ essentially from breeding birds, 

 but have the gray of pileum, hindneck, sides, and flanks slightly tinged 

 with olive-green, white of under parts slighth' tinged with yellow, and 

 basal half of mandible distinctly light colored. Some spring males 

 (probably younger birds), however, are like winter specimens in all 

 these respects.] 



Adult female. — Similar to the adult male in coloration, but with 

 gray of pileum and hindneck never so pure, being usually more or less 

 tinged with olive-green, and with superciliary streak and under parts 

 more or less tinged with yellow; length (skins), 106.7-119.4 (109.7); 

 wing, 58.4-61 (59.4); tail, 39.1-42.4 (41.1); exposed culmen, 9.4-10.2 

 (9.6); tarsus, 15.7-17.3 (16.3).' 



Young male in first autumn. — Above plain olive-green, including 

 pileum and hindneck; superciliary streak, eyelids, sides of head, chin, 

 throat, chest, sides, and flanks pale yellowish olive-green; abdomen, 

 anal region, under tail-coverts and under wing-coverts white. 



Young female in first OMtum/n. — Similar to the young autumnal 



^ Five specimens. 



