530 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Yarrell, Brit. Birds, 2d ed., iii, 1845, 511. — Hewitson, Eggs Brit. Birds, 

 ii, 1846, 430,* pi. 120.*— Thompson, Birds Ireland, iii, 1851, 298.— Reichen- 

 BACH, Natatores, 1848, pi. 21, figs. 812-815. — Baldamus, Naiimannia, 1851, 

 Heft iv, 44 (Hungary, breeding). — Kjaerbolling, Danm. Fugle, 1852, 331, 

 pl.40 B; Suppl., 1854, pi. 21, figs. 1, 2.— Powys, Ibis, 1860, 357 (Butrinto, in 

 winter). — Anderson, Ibis, 1872, 81 (Fyzabad, India, breeding; habits; 

 descr. nest and eggs). 



Viralva leucopareia Stephens, Shaw's Gen. Zool., xiii, pt. 1, 1825, 171. 



Pelodes leucopareia Kaup, Natiirl. Syst., 1829, 107. 



Ilydrochelidon hucopama Brehm, Vog. Deutschl., 1831, 797. — Bonaparte, 

 Geog. and Comp. List, 1838, 61. — Boie, Isis, 1844, 184. — Macgillivray, 

 Brit. Birds, v, 1852, 663.— Gould, Handb. Birds Australia, ii, 1865, 406; 

 Bii-ds Great Brit., v, 1873, pi. 77 and text.— Sheixey, Birds Egypt, 1872, 

 301. — HoLDSwoiiTH, Proc. Zool. Soc. Lond., 1872, 480 (Ceylon).— Walden, 

 Trans. Zool. Soc. Lond., ix, 1877, 244 (Luzon, Philippines).- — Ramsay, 

 Proc. Linn. Soc. N. S. W., i, 1877, 386 (Gulf of Carpentaria).— Meyer (A. B.), 

 Ibis, 1879, 146 (Togian Islands).- — Holub and Pelzeln, Beitr. Orn. Siidafr., 

 1882, 332. — Baird, Brewer, and Ridgway*, Water Birds N. Am., ii, 1884, 

 318. — Taczanowski, Ornis, vol. iv, 1888, 506 (Poland, not breeding). — 

 Cory, Cat. West Ind. Birds, 1892, 83, 136 (Barbados). 



H[ydrochelidon] Imcopureia Ridgway', Man. N. Am. Birds, 1887, 47. 



Hydrochelidon Itucoparda hucopareia Mathews, Birds Australia, ii, pt. 3, Sept. 

 20, 1912, 321 (s. and centr. Europe; n. Africa). 



Sterna hybrida Pallas, Zoogr. Rosso-Asiat., ii, 1826, 338 (s. Volga and Sarpa, 

 Russia). — Muhle, Orn. Griechenl., 1844, 147. — Degland, Orn. Eur., ii, 

 1849, 353.— Heuglin, Syst. Ueb., 1856, 70 (Egypt and Nubia, resident).- 

 Lindermayer, Vog. Griechenl., 1860, 180. — Schlegel, Mus. Pays-Bas, vi, 

 no. 24 (Sternae), 1864, 32.— W^right, Ibis, 1864, 153 (Malta); 1874, 238 (Salini, 

 Malta). — Elwes and Buckley, Ibis, 1870, 338 (Epirus). — Harting, Handb. 

 Brit. Birds, 1872, 168.— Hume, Stray Feath., i, 1873, 281 (Sind, India).— 

 Adam, Stray Feath., i, 1873, 403 (Sambhur Lake, India). — Blanford,' 

 East. Persia, ii, 1876, 294. — Milne-Edwards and Grandidier, Hist. Nat. 

 Madag., Ois, 1882, pi. 649 (osteology).— Seebohm, Ibis, 1882, 231 (Volga delta) 

 Hist. Brit. Birds, iii, 1885, 260.— Alleon, Ornis, vol. ii, 1886, 424 (Dro- 

 budscha, breeding). — Stevenson and Southwell, Birds Norfolk, iii, 1890, 

 306.— Gates, ed. Hume's Nests and Eggs of Ind. Birds, iii, 1890, 305.— 

 Sharpe, Ibis, 1891, 116 (Fao). 



St[erna] hybrida Keyserling and Blasius, Wirb. Eur., 1840, pp. xcviii, 248. 



Hydrorhdidon hybrida Bonaparte, Cat. Ucc. Eur., 1842, 77.^Gray% List Birds 

 Brit. Mus., Anseres, 1844, 180; Cat. Brit. Birds, 1863, 242.— Brehm, Nau- 

 mannia, 1855, 295; Vogelf., 1855, 351.— Tristram, Ibis, 1860, 82 (North 

 African lakes).— Filippi, Viagg. Per ., 1865, 352. — Blasius, Journ. fiir Orn., 

 1866, 82 (monogr.). — Degland and Gerbe, Orn. Eur., ii, 1867,468. — Lociie, 

 Expl. Sci. Alger., Ois., 1867, 208.— Doderlein, Avif. Sicil., 1869, 253.— 

 Fritsch, Vog. Eur., 1870, 460, pi. 54, fig. 10.— Salvadori, Faun. Ital., Ucc; 

 1871, 283; Ucc. Borneo, 1872, 374 (Sarawak); Orn. Papuasia, etc., 1882, 427; 

 Ucc. Ital., 1887, 279.— Swinhoe, Proc. Zool. Soc. Lond., 1871, 421 (Formosa).— 

 Heuglin, Orn. N. O.-Afr., Bd. 2, pt. 2, 1873, 1449.— Walden, Trans. 

 Zool. Soc. Lond., viii, 1874, 103 (Celebes).- Irby, Orn. Str.Gibr., 1875,211.— 

 Legge, Ibis, 1875, 407 (Ceylon).— Saunders, Proc. Zool. Soc. Lond., 1876, 

 640 (monogr.); 1877, 794 (Manila, Philippines; crit.); Bull. Soc. Zool. France, 

 1877, 201 (s. Spain); Voy. 'Challenger,' ii, pt. viii, 1881, 133 (Manila); 

 ed. Yarrell's Brit. Birds, iii, 1884, 527; Man. Brit. Birds, 1889, 621; Ibis, 

 1891, 187 (Lake L^man, Switzerland); Cat. Birds Brit. Mus., xxv, 1896, 10, 

 456. — Dresser, Birds Europe, viii, 1877, 315, pis. 588, 589.— David and 



