BIRDS OP NORTH AND MIDDLE AMERICA. 725 



Adult maZe.— Length (sldns), 105; wing, 106.5-111 (108.7); tail 

 37.5-39.5 (38.5); exposed culmen, 4; tarsus, 9; middle toe, 7.^ 



Adult female. —Length (skins), 107-111 (109); wing, 111-113 (112); 

 tail, 37,5-39.5 (38.5) ; exposed culmen, 4.5; tarsus, 9.5; middle toe, 7." 



Islands of Guadeloupe, Doniinica, Martinique,^ St. Vincent, and 

 Santa Lucia, Lesser Antilles. 



[Hirundo] acuta Gmelin, Syst. Nat., i, pt. ii, 1789, 1023 (l)ased on Hirondelle 

 acutipenne, de la Martinique Buffon, Hist. Nat. Ois., vi, 702; Hirondelle 

 de la Martinique Daubenton, PL Col., pi. 544, fig. 1). — Latham, Index Orn., 

 ii, 1790, 581 (Martinique). 



Hirundo acuta Stephens, Shaw's Gen. Zool., x, 1817, 131. 



[Chietura] acuta Gray, Hand-list, i, 1869, 66, no. 768. — Sharpe, Hand-list, ii, 

 1900, 92. 



Chxtura acuta Hartert, Cat. Birds Brit. Mus., xvi, 1892, 48G (Dominica; Santa 

 Lucia).— Cory, Cat. West Ind. Birds, 1892, 12, 106, 143 (Dominica; Guade- 

 loupe; Santa Lucia; St. Vincent).- — Clark, Proc. Bost. Soc. N. H., xxxii, 

 1905, 273 (St. Vincent). 



Ch[aitura] acuta Hartert, Das Tierreich, Podarg., Caprim., Macropt., 1897, 76. 



Chxtura poliura (not Cypselus poliourus Temminck) Lawrence, Proc. XJ. S. 

 Nat. Mus., i, 1878, 62 (Dominica). 



Chsetura dominicana Lawrence, Ann. N. Y. Ac. Sci., i, no. 8, Dec, 1878, 255 

 (Dominica; coll. U. S. Nat. Mus.); Proc. U. S. Nat. Mus., i, 1878, 487 

 (Dominica). — Lister, Ibis, 1880, 42 (St. Vincent). — Sclater, Ibis, 1880, 

 75 (Santa Lucia; crit.).— Cory, Auk, iii, 1886, 346; viii, 1891, 48 (Guade- 

 loupe); Birds West Ind., 1889, 141.— Allen, Bull. Nutt. Orn. Club, vi, 

 1881, 128 (Santa Lucia).— Verrill (G. E.), Trans. Conn. Ac. Arts and Sci., 

 viii, 1892, 330 (Dominica; habits; crit.). 



[Chxtura] dominicana Cory, List Birds West Ind., 1885, 17. 



Chxtura dominica Sclater, Proc. Zool. Soc. Lond., 1889, 327 (Dominica). 



Chxtura dominicana colardeaui Lawrence, Auk, viii, Jan., 1891, 59 (Guade- 

 loupe; coll. Am. Mus. N. H.). 



CH.STURA CINEREIVENTRIS FUMOSA (Salvin.) 



SMOKY SWIFT. 



Adults (sexes alike). — Pileum, liindneck, lores, back, scapulars, 

 wings, and tail glossy bluish black (the remiges and rectrices with a 

 very narrow terminal margin of wliitish in fresh plumage); rump 

 pale buffy gray, the feathers narrowly tipped with whitish; upper 

 tail-coverts grayish black, the inner webs edged with light gray- 

 ish; chin and upper throat very pale gray or grayish white (the 

 feathers deep sooty gray basally) passing gradually into deep mouse 

 gray on auricular region and chest, this deepening into blackish slate 

 on under parts of body, the under tail-coverts slate-black; bill black; 



a Two specimens, from Dominica. 



An adult male from Guadeloupe (type of C. dominica colardeaui Lawi-ence) measures: 

 Wing, 107; tail, 39. Eight adults of undetermined sex from Santa Lucia measure 

 as follows: Wing, 103-108 (105.2); tail, 36-40.5 (38.4); exposed culmen, 4-4.5 (4.3); 

 tarsus, 9; middle toe, 6.5-7 (6.9). 



& Not recorded, however, from Martinique (the type locality) since Bufl'on. 



