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BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Reis. Sibir., Zool., 1851, 213 (Stanovoi Mountains, May to Aug.).—Lm- 
yeporc, Naumannia, ii, 1852, 119 (n. Russia).—Tosras, Journ. ftir Orn., 
1853, 214 (Oberlausitz, Germany).—JAcxet, Journ. fiir Orn., 1854, 500 
(Bayern).—Hartiavs, Journ. fiir Orn., 1855, 361 (Gold Coast); 1858, 450 
(Macao); 1861, 271 (Danakil and Somali coasts); Orn. West-Afrika, 1857, 
235; Vog. Madagasc., 1877, 326.—Mtzir, Journ. fiir Orn., 1856, 229 (Prov- 
ence).—Cassin, Proc. Ac. Nat. Sci. Phila., x, 1858, 196 (Japan).—Apams, 
Proc. Zool. Soc. Lond., 1858, 505 (India).—Tavtor, Ibis, 1859, 53 (Egypt); 
1867, 69 (Egypt).—Gritt, Zool. Anteckn., 1859, 11, 53 (Cape of Good Hope, - 
Dec.).—Hzvezin, Ibis, 1859, 347 (Red Sea; Somali coast); Orn. N. 0.- 
Afrika, iii, Abth., i, 1878, 1169 (n. e. Africa, Aug. to April).—Finscu, Journ. 
fiir Orn., 1859, 386 (Bulgaria); 1869, 337 (w. Africa); New Guinea, 1865, 
182.—Scurencx, Reis. Amurl., 1859, 414 (Ussuri)—Sunpevat., Svensk. 
Fogl., 1860, pl. 40, fig. 5.—LinpeRMareER, Vég. Griechenl., 1860, 137.— 
Gurney, Ibis, 1860, 218 (Natal); in Andersson’s Birds Damara Land, 1872, 
301 (Dec. to April).—Powvys, Ibis, 1860, 344 (Epirus; Corfu).—Gizsz1, 
Vég., 1860, 372.—_Irsy, Ibis, 1861, 238 (Kumaon); 1883, 186 (Santander, 
Spain); Key List Brit. Birds, 1888, 49.—Homeyer, Journ. fiir Orn., 1862, 
428 (Balearic Islands); 1870, 422 (e. Siberia) —Swinnoz, Ibis, 1862, 254 
(Foochow, China); 1863, 406 (Formosa); 1870, 83, 364 (Hainan); 1875, 453 
(s. Yezo, Japan); 1882, 122 (Kandahar, s. Afghanistan); Proc. Zool. Soc. 
Lond., 1863, 311 (China, etc.); 1871, 405 (China, winter) —Aurum, Journ. 
fiir Orn., 1863, 108 (Minsterland).—Gray, List Brit. Birds, 1863, 160.— 
Ravpe, Reis. Sibir., Vég., 1863, 327 (Tareinor, Aug., Sept.); Orn. Caucas., 
1884, 45, 430 (winter).—Wrieut, Ibis, 1864, 146 (Malta).—Morg, Ibis, 1865, 
436 (Scotland, breeding).—Satvaport, Journ. fiir Orn., 1865, 286 (Sardinia); 
Uce. Borneo, 1874, 324; Ann. Mus. Genova, xiv, 1879, 666; Elenco Ucc. 
Ital., 1886, 227; Agg. Orn. Papuasia, iii, 1891, 202.—Marrterns, Journ. fiir 
Orn., 1866, 28 (Philippines)—Dourn, Proc. Zool. Soc. Lond., 1866, 331 
(Princes Island).—Hotrz, Journ. fiir Orn., 1866, 373 (Géttland); 1868, 120 
(Gottland).—Newton (E.), Ibis, 1867, 346 (Seychelles).—Buyvs, Ibis, 1867, 
169 (India)—Layarp, Birds South Africa, 1867, 325.—Dysowsxr and 
’ Parvex, Journ. fir Orn., 1868, 337 (Darasun).—SpEruine, Ibis, 1868, 292 
(Zanzibar).—Draxgz, Ibis, 1869, 154 (Morocco).—Brown, Proc. Bost. Soc., 
xii, 1869, 208 (Madeira).—Wvart, Ibis, 1870, 17 (Sinai) —Entwes and Bucx- 
LEY, Ibis, 1870, 332 (Turkey).—Strevenson, Birds Norfolk, ii, 1870, 284.— 
Gopwin-AvusTEN, Journ. Asiat. Soc. Bengal, xxxix, 1870, 275 (Khasia Hills, 
India).—Buanrorp, Journ. Asiat. Soc. Bengal, x1, 1871, 276 (Wardha Valley, 
India) —Saunpers, Ibis, 1871, 287 (s. Spain)—Gray (R.), Birds West 
Scotland, 1871, 300 (breeding).—Surtiey, Ibis, 1871, 310 (Egypt). —Harr- 
inc, Handb. Brit. Birds, 1872, 46.—Rey, Journ. fiir Orn., 1872, 154 (Por- 
tugal).—PaumEn, Finl. Fogl., 1873, 1389.—Srverrzov, Turkest. Jevotn., 1873, 
69; Ibis, 1883, 74 (Pamir range, breeding).—Atston and Harviz-Brown, 
Tbis, 1873, 67 (Archangel, Russia)—Brooxg, Ibis, 1873, 338 (Sardinia, 
winter)—Hume and Hunprrson, Lahore to Yarkand, 1873, 290.—Bat, 
Stray Feath., i, 1873, 85 (Andaman Islands); ii, 1874, 431 (Chota Nagpur, 
India); vii, 1878, 229 (Ganges to Godavery).—Taczanowsk1, Journ. fiir 
Orn., 1874, 336 (e. Siberia); Bull. Soc. Zool. France, vii, 1882, 397 (Bering 
Island); Proc. Zool. Soc. Lond., 1888, 457 (Chemulpo, Korea).—BuckLey, 
Ibis, 1873, 388 (Limpopo River, Matabili Land).—CorpgEaux, Ibis, 1875, 
185 (Helgoland).—Buyru and Watpen, Birds Burma, 1875, 155.—WALDEN, 
Trans. Zool. Soc. Lond., ix, 1875, 234 (Luzon, Philippines) —Fation, Ois. 
Belg., 1875, 175.—Srrsonm and Harvis-Brown, Ibis, 1876, 291 (lower 
Petchora River, Russia, breeding)—Davip and Ovstatet, Ois. Chine, 
