102 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Admit female. —Similar to the adult male, but chest (sometimes throat 

 also) spotted or mottled with grayish brown, the. under tail-coverts 

 sometimes with a few spots of the same; length (skins), 115-120 

 (117.5); wing, 102-109 (104.3); tail, 50-52 (51), forked for 9.5-12 

 (10.5); exposed oulmen, 6; tarsus, 9.5-10 (9.7); middle toe, 8.5-9 

 (8.8).« 

 Island of iTamaica, Greater Antilles. 

 Hirundo euchrysea Gosse, Birds Jamaica, 1847, 68; lUustr. Birds Jam., 1849, pi. 

 12.— Gkay, Cat. Fissirostr. Birds Brit. Mus., 1848, 26.— March, Proc. Ac. Xat. 

 Sei. Philad., 1863, 295.— Baied, Eeview Am. Birds, 1865, 304 (Trelawney 

 and Spanishtown, Jamaica).— Cory, Cat. W. I. Birds, 1892, 17, 115, 130.— 

 Shaepe, Cat. Birds Brit. Mus., x, 1885, 170, 632.— Sharpe and Wyatt, Mon. 

 Hinmd., 1894, 407, 426, pi. 76. 

 IHirundol euchrysea Sclater and Salvin, Nom. Av. Neotr., 1873, 14. — Cory, 



List Birds W. I., 1885, 10. 

 [J3ersc] euchrysea Bonaparte, Consp. Av. , i, 1850, 34. 

 Petrochelidon euchrysea Sclater, Proc. Zool. Soc. Lond., 1861, 72; Cat. Am. Birds, 



1862, 39.— Albrecht, Joum. fiir Orn., 1862, 194. 

 ICaUiehelidcm] euchrysea Baird, Review Am. Birds, 1865, .303. ' 



C[allichelidon'] euchrysea Nbwton (A. and E.), Handb. Jamaica, 1881, 107. 

 Tachycineta euchrysea Cory, Auk, iii, Jan., 1886, 58; Birds W. I., 1889, 72.— 



Scott, Auk, x, 1893, 181. 

 IHirundo] euchnsea Gray, Hand-list, i, 1869, 72, no. 849, part (excl: syn. "var. 

 dominicensis, Bryant"). 



LAMPROCHELIDON SCLATERI (Cory). 

 SCLATEK'S SWAILOW. 



Similar to Z. euchrysea, but wings and tail longer, the latter much 

 more deeply forked, and bill much smaller; adults with upper parts 

 much less golden in color, with forehead and upper tail-coverts bluish 

 green and the remiges and rectrices bluish black instead of dark 

 bronzy. 



Adult male. — ^Forehead, crown, sides of head (down to and including 

 malar region), upper tail-coverts and lesser wing-coverts highly glossed 

 or burnished metallic bluish green; occiput, hindneck, back, and 

 scapulars very bright metallic bronze green, gradually changing into 

 the more bluish green of forehead and upper tail-coverts; middle and 

 greater wing-coverts and innermost secondaries black or bluish black, 

 broadly margined with metallic green or bluish green (more bronzy in 

 some lights, but not golden or coppery as in L. euchrysea); alula, pri- 

 mary coverts, primaries, outermost secondaries, and rectrices slightly 

 glossy blue-black, the rectrices with outer webs more greenish basally; 

 axillars and under wing-coverts dusky, broadly margined with green 

 and bronze (the latter more evident on axillars); under parts pure 

 white; bill black; iris brown; legs and feet dark brownish (in dried 

 skins); length (skin), 122; wing, 116; tail, 58, forked for 15; exposed 

 culmen, 4.7; tarsus, 10; middle toe, 8.* 



« Three specimens. 6 One specimen. 



