724 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Washington). — Merrill (J. H.), Auk, xiv, 1897, 354 (Ft. Sherman, Idaho). — 

 Grinnell (J.), Pub. 2, Pasadena Ac. Sci., 1898, 27 (Los Angeles Co., Cali- 

 fornia, migrant).— Brewster, Bull. Mus. Comp. Zool., xli, 1902, 111 (San 

 Jose del Cabo, Lower California, Sept., Nov.). — Rathbun, Auk, xix, 1902, 

 135 (Seattle, Washington, summer res.). — Bailey (Florence M.), Handb. 

 Birds W. U. S., 1902, 231.— Bowles, Auk, xxiii, 1906, 144 (Puyallup Valley, 

 Washington, breeding).— Dearborn, Pub. 125, Field Mus. N. H., 1907, 96 

 (Mazatenango, Guatemala, March). — Kermode, Prov. Mus. Victoria, 1909, 

 51 (Vancouver I., Sicamous, etc.). 



[Chsetura] vauxii Gray, Hand-list, i, 1869, 66, no. 761. — Coues, Key N. Am. 

 Birds, 1872, 183. 



C[h£etura] vauxii Ridgway, Man. N. Am. Birds, 1887, 303. 



[Chsetura] vauxi Sclater and Salvin, Nom. Av. Neotr., 1873, 95. — Sharpe, 

 Hand-list, ii, 1900, 92. 



Chxtura vauxi Brown, Ibis, 1868, 421 (Vancouver I.). — Baird, Brewer, and 

 Ridgway, Hist. N. Am. Birds, ii, 1874, pi. 45, fig. 8; iii, 1874, 521 (near San 

 Buenaventura and San Diego, California). — Ridgway, Bull. Essex Inst., 

 vii, 1875, 15, 17 (Pyramid Lake Reservation, Nevada); Orn. 40th Parallel, 

 1877, 565 (Pyramid Lake Reservation). — Allen (C. A.), Bull. Nutt. Orn. 

 Club, V, 1880, 55 (Nicdsio, California; habits). — Coues, Check List, 2d ed., 

 1882, no. 406. — Anthony, Auk, iii, 1886, 165 (Washington Co., Oregon, sum- 

 mer res.). — Merrill, Auk, v, 1888, 256 (Ft. Klamath, Oregon, summer res.; 

 habits). — Hartert, Cat. Birds Brit. Mus., xvi, 1892, 481. — Salvin and God- 

 man, Biol. Centr.-Am., Aves, ii, 1894, 375 (Rio Seco, near Cordova, Vera 

 Cruz; Valley of Mexico; Puebla; Laguna del Rosario, Tlaxcala; Raxche, 

 Coban, Dueiias, Alotenango, etc., Guatemala; "Honduras"). — Swarth, 

 Pacific Coast Avifauna, no. 4, 1904, 16 (Huachuca Mts., Arizona, May); 

 Univ. Calif. Pub. Zool., vii, 1911, 73 (Revillagigedo I., Boca de Quadra, 

 ChickaminR., Broadfield Canal, and Thomas Bay, s. Alaska; crit.; habits). — 

 Taylor, Condor, vii, 1905, 177 (Humboldt Co., California, breeding; descr. 

 nest and eggs). — American Ornithologists' Union, Check List, 3d ed., 

 1910, 201. 



C[hsetura] vauxi Coues, Key N. Am. Birds, 2d ed., 1884, 458. 



Ch[xtura] vauxi Hartert, Das Tierreich, Podarg., Caprim., Macropt., 1897, 75. 



[Acanthy lis] vavxi B on AVAUTE, Consp. Av., i, 1850, 64. 



[Chsehira pelagica] var. vauxi Baird, Brewer, and Ridgway, Hist. N. Am. 

 Birds, ii, 1874, 431. 



Chsetura (pelagica var?) vauxi Baird, Brewer, and Ridgway, Hist. N. Am. 

 Birds, ii, 1874, 435. 



Chxtura ? Salvin and Sclater, Ibis, I860, 37 (Cobdn, Guatemala; 



Mexico; diagn.; crit.). 



Acanthylis pelasgia (not Eirundo pelagica Linneeus) Woodhouse, Rep. Sitgreaves 

 Expl. Zuniand Col. R., 1853, 63, part (New Mexico?; California). 



CHXTURA ACUTA (Gmelin). 



MARTINIQUE SWIFT. 



Adults (sexes alike). — Above, including tail, sooty black, faintly 

 glossed with bluish green; rump brownish gray or grayish brown 

 (grayer and rather lighter than hair brown), the upper tail-coverts 

 much darker, the longer ones approaching sooty black ; under parts 

 deep sooty brown, darker on under tail-coverts, much paler on throat 

 and chin, where feathers are dusky basally; bill black; iris brown; 

 legs and feet grayish brown or dusky (in dried skins). 



