BIRDS OF NORTH AND MIDDLE AMERICA. 5389 
Reis. Amurl., 1859, 511.—Tristram, Ibis, 1860, 82 (e. and w. Sahara Des- 
ert); Fauna and Flora Palestine, 1884, 137.—Rappz, Reis. Sibir., Vég., 
1863, 389.—Satvaport, Ucc. Sardin., 1864, 123; Ucc. Ital., 1887, 280.— 
Fiuiprr, Viagg. Pers., 1865, 352.—Frirscu, Vég. Eur., 1870, 461, pl. 54, 
fig. 7—SaunDERs, Ibis, 1871, 399 (s. Spain); 1891, 187 (Lake Léman, Swit- 
zetland); Proc. Zool. Soc. Lond., 1876, 641 (monogr.); Bull. Soc. Zool. France, 
1877, 201 (s. e. Spain); ed. Yarrell’s Brit. Birds, iii, 1884, 522; Man. Brit. 
Birds, 1889, 619; Cat. Birds Brit. Mus., xxv, 1896, 6, 456.—Hvurron, Cat. 
New Zealand Birds, 1871, 43.—Brookg, Ibis, 1873, 346 (Sardinia). —BUuLLER, 
Birds New Zealand, 1873, 287; 2d ed., ii, 1888, 76; Man. Birds New Zealand, 
1882, 81.—Covzs, Check List, 1873, App., p. 137, no. 575 bis; 2d ed., 1882, 
no. 807.— Brewer, Am. Nat., viii, 1874, 188 (Lake Koshkonong, Wisconsin, 
1spec., July 5, 1873).—Fiyscg, Journ. fiir Orn., 1874, 206 (New Zealand).— 
Dresser, Birds Europe, viii, 1875, 321, pls. 590, 591.—Irpy, Orn. Straits 
Gibralt., 1875, 211.—Davip and Ovustauet, Ois. Chine, 1877, 524.—Hume, 
Stray Feath., viii, 1879, 115, 495 ((Andaman Islands).—Lreas, Birds Cey- 
lon, 1880, 1000.—Rip@way, Proc. U. 8S. Nat. Mus., iii, 1880 (Cat. N. Am. 
Birds), 208; Nom. N. Am. Birds, 1881, no. 694.—Gieu1o11, Ibis, 1881, 218 
(Florence, Italy, May, rare); Avif. Ital., 1886, 419; 1° Resoc. Avif. Ital. 
1889, 635; 2° Resoc., 1890, 653; 3° Resoc., 1891, 512.—BritisH ORNITHOLO- 
qists’ Union, List Brit. Birds, 1883, 185.—Oatss, Birds Brit. Burma, ii, 
1883, 420.—SuHarrer, ed. Layard’s Birds South Africa, 1884, 700; Bull. Brit. 
Orn. Club, no. xi, 1893, p. v (Suakim).—Barrp, Brewer, and Ripeway, 
Water Birds N. Am., ii, 1884, 323.—Wuireneap, Ibis, 1885, 47 (Corsica, 
May 28).—Torre and TscuusyI, Ornis, vol. i, 1885, 564 (Austria-Hungary).— 
(?) Szron, Auk, iii, 1886, 148 (Swan River, Manitoba, six ‘‘seen”’ Sept. 1, 
1881).—TaczanowskI, Ornis, vol. 2, 1886, 506 (Poland, breeding).—AMERI- 
cAN ORNITHOLOGISTS’ Union, Check List, 1886, and 2d ed., 1895, no. 78; 
3d ed., 1910, p. 47.—Symonps, Ibis, 1887, 335 (Orange Free State). RricuE- 
now, Syst. Verz. Vég. Deutschl., 1889, 61; Vég. Deutsch-O.-Afr., 1894, 21 
(Tanganyika).—FEILDEN, Ibis, 1889, 502 (Barbados, Lesser Antilles, 1 spec., 
Oct. 24, 1888).—EverretTtT, Birds Borneo, 1889, 210.—Rappr and Wa tTEr, 
Ornis, vol. v, 1889, 127 (Trans-Caspia).—Payton, Ibis, 1891, 465 (Moga- 
dor).—Mapardsz, Ausst. Ungar. Vogelf., 1891, 121—Frrvatpsxy, Av. 
Hung., 1891, 181.—Fatro and StupeEr, Cat. distr. Ois. Suisse, 1892, 64, 65.— 
Cory, Birds West Ind., 1889, 298 (Barbados); Cat. West Ind. Birds, 1892, 83, 
136 (Barbados).—KoeEnte, Journ. fiir Orn., 1893, 98 (Tunis).—Litrorp, Col. 
Figs. Brit. Birds, pt. xxix, 1894.—Poeer, Journ. fiir Orn., 1902, 388 (n. e. 
China).—Hernrots, Journ. fir Orn., 1902, 398 (Bismarck Archipelago).— 
ALLEN, Bull. Am. Mus. N. H., xxi, 1905, 228 (Lake Kauka, n. e. Siberia, 
breeding).—CLarx (A. H.), Proc. Bost. Soc. N. H., xxxii, 1905, 259 (Bar- 
bados).—Matuews, Birds Australia, ii, 1912, pl. [102] facing p. 312. 
H[ydrochelidon] leucoptera Cougs, Key N. Am. Birds, 2d ed., 1884, 770.—Ripe- 
way, Man. N. Am. Birds, 1887, 47. 
[Hydrochelidon] leucoptera Kaur, Skizz. Entw.-Gesch. Eur. Thierw., 1829, 196.— 
Ssarre, Hand-list, i, 1899, 133.—Forses and Rosinson, Bull. Liverp. 
Mus., ii, no. 2, 1899, 53 (Baltic Sea: Damietta, Egypt; Lake Shirwa, Nyassa- 
land; Potchefstroom, Transvaal; South Australia). 
? Hydrochelidon leucoptera Finscu, Journ. fiir Orn., 1872, 254 (New Zealand; crit.). 
Hydrochelidon leucoptera leucoptera Matuews, List of the Birds of Australia, 
1913, 44. , 
Viralva leucoptera SterHens, Shaw’s Gen. Zool., xiii, pt. 1, 1826, 170. 
Hydrochelidon leucopterum Bonaparte, Geog. and Comp. List, 1838, 61. 
