90 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Mingan islands) ; Auk, xiv, 1897, 408 (Smiths I. and King William County, 

 Virginia, breeding).— Clarke (W. E.), Auk, vii, 1890, 322 (Fort Chur(>liill, 

 Hudson Bay).— DwiGHT, Auk, x, 1893, 12 (Prince Edward I., breeding).— 

 Nehrling, Our Native Birds, etc., i, 1893, 353, pi. 18, fig. 6. — Sharpe and 

 Wyatt, Men. Hirund., 1894, 155, 189, pi. 24.— Wayne, Auk, xii, 1895, 184 

 (coast South Carolina, Jan.). — Gkinnell, Auk, xv, 1898, 129 (Sitka, Alaska 

 breeding). — Childs, Auk, xvii, 1900, 67 (Barnegat, New Jersey; "millions" 

 passing in Sept.). — Brewster, Bull. Mus. Comp. Zool., xli, 1902, 166 (occur- 

 rence in Cape district of Lower California requires confirmation!). 



[Tachyciyieta,'] bicolor Coues, Key N. Am. Birds, 1872, 113. 



Tachydnetes bicolor Scott (W. E. D.), Bull. Nutt. Orn. Club, iv, 1879, 223 (Long 

 Beach, New Jersey, breeding) . 



Petrochelidon bicolor Cassin, Cat. Hirund. Mus. Philad. Acad., 1853, 4. — Sclater, 

 Proc. Zool. Soc. Lond., 1857, 201 (San Jose, Mexico); 1859, 364 (Jalapa, 

 Vera Cruz) ; Cat. Am. Birds, 1862, 40.— Sclater and Salvix, Ibis, 1859, 13 

 (Guatemala).— Brewer, Proc. Bost. Soc. N. H., vii, 1860, 306 (Cuba). 



Iridoprocne bicolor Coues, Check List, 2d ed., 1882, no. 160. — Drew, Bull. Nutt. 

 Orn. Club, vi, 1881, 88, 115 (San Juan Co., Colorado, breeding). — Merriam, 

 Bull. Nutt. Orn. Club, vii, 1882, 235 (Point de Monts, Quebec, breeding) . 



I[ridoprocne'] bicolor Coues, Key N. Am. Birds, 2d ed., 1884, 322. 



Hirundo viridis Wilson, Am. Orn., v, 1812, 49, pi. 38, fig. 3. — De Witt Clinton, 

 Ann. Lye. N. Y., i, 1824, 159.— Audubon, Ann. Lye. N. Y., i, 1824, 167.— 

 Bonaparte, Journ. Ac. Nat. Sci. Philad., iv, 1825, 257. 



Hirlundo'] viridis BoiE, Isis, 1826, 971; 1828, 316. 



Hirundo leucogaster Stephens, Shaw's Gen. Zool., x, 1817, 106 (based on H. 

 viridis WUson). 



^Hirundo'} leucogastra Boie, Isis, 1844, 171. 



i?"mm(?o ^7'asma Lichtenstein, Preis-Verz. Mex. Vog., 1831, 2 (Mexico); Journ. 

 fiir Orn., 1863, 58. 



Hirundo bicolor, var. vespertina Cooper, Proc. Cal. Acad. Sci., Feb. 1876, 91 (Cali- 

 fornia); Proc. U. S. Nat. Mus., ii, 1880, 246. 



IRIDOPROCNE ALBILINEA (Lawrence). 

 MANGROVE SWALLOW. 



Adults {sexes alike).- — Pileum, auricular region, hindneck, sides of 

 neck, back, scapulars, and lesser wing-coverts uniform greenish steel 

 blue or bluish green; rump white or grayish white, the feathers 

 usuall}" with dusky shaft-lines; upper tail-coverts dusky, more or less 

 strongly glossed with bluish green, and often margined with white or 

 pale grayish; wing-coverts black, the middle coverts margined with 

 greenish steel blue or steel green; rest of wings, and tail, dull black or 

 dusky, faintly glossed with greenish; tertials broadly margined termi- 

 nall}" and for most of the length of outer web with white; "■ a white line, 

 more or less distinct, on each side of forehead, above upper margin of 

 lores; malar region and entire under parts white, the chest usually 

 faintly shaded with pale grayish and sometimes indistinctly and ver}^ 

 narrowly streaked with darker; under wing-coverts and axillars white 



« These white edgings always present in this species unless the plumage is greatly 

 abraded. 



