530 
BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
YaRRELL, Brit. Birds, 2d ed., iii, 1845, 511.—Hzwrrson, Egga Brit. Birds, 
ii, 1846, 430,* pl. 120.*—Txompson, Birds Ireland, iii, 1851, 298.—RrtcHEn- 
BacH, Natatores, 1848, pl. 21, figs. 812-815.—Batpamus, Naumannia, 1851, 
Heft iv, 44 (Hungary, breeding).—Ksarrpoiiine, Danm. Fugle, 1852, 331, 
pl.40 B; Suppl., 1854, pl. 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 Kaur, Natiirl. Syst., 1829, 107. 
Hydrochelidon leucoparcia Breum, Vég. Deutschl., 1831, 797.—Bonararre, 
Geog. and Comp. List, 1838, 61.—Born, Isis, 1844, 184.—Macezuvray, 
Brit. Birds, v, 1852, 663.—GouLp, Handb. Birds Australia, ii, 1865, 406; 
Birds Great Brit., v, 1873, pl. 77 and text.—SuHE.iEy, Birds Egypt, 1872, 
301.—Hoxipsworts, Proc. Zool. Soc. Lond., 1872, 480 (Ceylon).—Wa.pEn, 
Trans. Zool. Soc. Lond., ix, 1877, 244 (Luzon, Philippines).—Ramsay, 
Proc. Linn. Soc. N.S. W., i, 1877, 386 (Gulf of Carpentaria).—Mryer (A. B.), 
Ibis, 1879, 146 (Togian Islands).—Houvs and Przetn, Beitr. Orn. Stidafr., 
1882, 332.—BarrD,; BREWER, and Ripeway, 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] leucopareia Rpeway, Man. N. Am, Birds, 1887, 47. 
Hydrochelidon leucopareia leucopareia MaruEews, Birds Australia, ii, pt. 3, Sept. 
20, 1912, 321 (s. and centr. Europe; n. Africa). 
Sterna hybrida Paxuas, Zoogr. Rosso-Asiat., ii, 1826, 338 (s. Volga and Sarpa, 
Russia).—Mtsiz, Orn. Griechenl., 1844, 147——Drcianp, Orn: Eur., ii, 
1849, 353.—Hzvueuin, Syst. Ueb., 1856, 70 (Egypt and Nubia, resident).— 
LinDERMAYER, Vég. Griechenl., 1860, 180.—ScHLEGEL, Mus. Pays-Bas, vi, 
no. 24 (Sternae), 1864, 32.—Wrieur, Ibis, 1864, 153 (Malta); 1874, 238 (Salini, 
Malta). Ewes and Bucx.ey, Ibis, 1870, 338 (Epirus).—Harrine, Handb. 
Brit. Birds, 1872, 168.—Humg, Stray Feath., i, 1873, 281 (Sind, India).— 
Apvam, Stray Feath., i, 1873, 403 (Sambhur Lake, India)—Buanrorp, 
East. Persia, ii, 1876, 294—Mitnz-Epwarps and Granpiprer, Hist. Nat. 
Madag. , Ois, 1882, pl. 649 (osteology).—SrEBoum, Ibis, 1882, 231 (Volga delta) 
Hist. Brit. Birds, iii, 1885, 260.—A.tton, Ornis, vol. ii, 1886, 424 (Dro- 
budscha, breeding).—Stevenson and SoutHwe.t, Birds Norfolk, iii, 1890, 
306.—Oatzs, ed. Hume’s Nests and Eggs of Ind. Birds, iii, 1890, 305.— 
SHarpe, Ibis, 1891, 116 (Fao). 
Sterna] hybrida Krysrriine and Buastus, Wirb. Eur., 1840, pp. xcviii, 248. 
Hydrochelidon hybrida Bonararte, Cat. Ucc. Eur., 1842, 77.—Gray, List Birds 
Brit. Mus., Anseres,.1844, 180; Cat. Brit. Birds, 1863, 242—Breum, Nau- 
mannia, 1855, 295; Vogelf., 1855, 351.—Tristram, Ibis, 1860, 82 (North 
African lakes).—Fiuirri, Viagg. Per.., 1865, 352.—Buastvs, Journ. fiir Orn., 
1866, 82 (monogr.).—DEGLAND and Gers, Orn. Eur., ii, 1867, 468.—Locue, 
Expl. Sci. Algér., Ois., 1867, 208—DoprErtetn, Avif. Sicil., 1869, 253.— 
Frirscu, Vég. Eur., 1870, 460, pl. 54, fig. 10.—Sanvaporr, Faun. Ital., Ucc.: 
1871, 283; Ucc. Borneo, 1872, 374 (Sarawak); Orn. Papuasia, etc., 1882, 427; 
Ucc. Ital., 1887, 279.—Swinnok, Proc. Zool. Soc. Lond., 1871, 421 (Formosa).—- 
Heveun, Orn. N. O.-Afr., Bd. 2, pt. 2, 1873, 1449—Wazpen, Trans. 
Zool. Soc. Lond., viii, 1874, 103 (Celebes).—Insy, Orn. Str. Gibr., 1875, 211.— 
Leas, Ibis, 1875; 407 (Ceylon)—Saunpers, 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 Léman, Switzerland); Cat. Birds Brit. Mus., xxv, 1896, 10, 
456.—Dresser, Birds Europe, viii, 1877, 315, pls. 588, 589.—Davip and 
