630 
BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
breeding).—Droste, Journ. fiir Orn., 1869, 384 (Faroe Islands).—FRitscu, 
Vég. Eur., 1870, 476, pl. 55, fig. 7; pl. 56, fig. 5—Enwzs and Buckiey, Ibis, 
1870, 336 (Black Sea and Gulf of Volo).—Homever, Journ. fiir Orn., 1870, 
437 (e. Siberia).—Saunpurs, Ibis, 1871, 400 (s. Spain); 1891, 188 (Lake 
Léman, Switzerland; Proc. Zool. Soc. Lond., 1877, 799 (Japan); 1878, 177 
(monogr.); Journ. Linn. Soc. (Zool.), xiv, 1879, 396 (range); Voy. ‘Chal- 
lenger’, ii, pt. viii, 1881, 138 Japan); ed. Yarrell’s Brit. Birds, ili, 1884, 613; 
Man. Brit. Birds, 1889, 655; Cat. Birds Brit. Mus., xxv, 1896, 277.—Gray 
(R.), Birds West Scotl., 1871, 483.—SHEtiey, Birds Egypt, 1872, 305 (Dami- 
etta)._Harrine, Handb. Brit. Birds, 1872, 77.—Patmun, Finl. Fogl., 1873, 
506.—Taczanowsx1, Journ. fiir Orn., 1873, 111 (e. Siberia); Ornis, 1888, 
507 (Poland).—Auston and Harvis-Brown, Ibis, 1878, 52 (Archangel, n. 
Russia).—Brooks, Ibis, 1873, 347 (Sardinia).—Dresser, Birds Europe, viii," 
1878, 381, pl. 600.—Snverrsov, Turkestan. Jevotn., 1873, 70 (Aral to Balk- 
ash).—Durnrorp, Ibis, 1874, 402 (North Friesian Islands).—Irsy, Om. 
Straits Gibral., 1875, 214; 2d ed., 1895, 298.—Bxanrorp, East. Persia, ii, 
1876, 291 (Bushire).—Srzsonm and Harvize-Brown, Ibis, 1876, 451 (lower 
Petchora River, Russia; habits)—Cotutetr, Nyt Mag. Naturv., 1877, 208 
(n. Norway).—Davip and Ovstatet, Ois. Chine, 1878, 517.—Brewer, Bull. 
Nutt. Orn. Club, iii, 1878, 50 (Labrador).—SrEBoum, Ibis, 1879, 161 (Yenesei 
Valley, Siberia, breeding; habits; descr. eggs); 1882; 230 (Kirghiz Steppes, 
breeding), 386 (Archangel, n. Russia); Hist. Brit. Birds, iii, 1885, 316; Birds 
Japan. Emp., 1890, 293—Mt ier, Journ. ftir Orn., 1879, 392 (Cyprus).— 
Ropp, Birds Cornwall, 1880, 169—Buaxiston and Prrer, Trans. Asiat. 
Soc. Japan, vili, 1880, 189; x, 1882, 104:—Branpt, Journ. fiir Orn., 1880, 
253 (Finnish Islands, breeding).—AtLen, Bull. Nutt. Orn. Club, v, 1880, 91 
(Labrador); Bull. Am. Mus. N. H., xxi, 1905, 226 (Gichiga and Marcova, 
n. e. Siberia, breeding; habits)—Rinaway, Proc. U. 8. Nat. Mus., iii, 1880 
(Cat. N. Am. Birds), 207; Nom. N. Am. Birds, 1881, no. 671.—Covzs, Check 
List, 2d ed., 1882, no. 779.—BnritisH OrnitHoLoaists’ Union, List. Brit. 
Birds, 1883, 189.—Barrp, Brewer, and Ringway, Water Birds N. Am., ii, 
1884, 250 (Labrador).—Tristram, Fauna and Flora Palestine, 1884, 137.— 
Braxiston, Amend. List Birds Japan, 1884, 20—Sresnecer, Bull. U. 8. 
Nat. Mus., no. 29, 1885, 76 (Bering Island, Commander group, Kamchatka; 
synonymy, crit., etc.); Proc. U. S. Nat. Mus., iv, 1887, 123 (Bering Island); 
xxi, 1898, 276 (Kuril Islands; breeding?).—Lirken, Ornis, 1885, 145 (Den- 
matk).—Torre and Tscuusi, Ornis, 1885, 561 (Austria-Hungary).—AMER- 
IcAN ORNITHOLOGISTS’ Union, Check List, 1886, and 2d ed., 1895, no. 56; 
3rd ed., 1910, p. 39.—Taytor, Ibis, 1886, 379 (Suez Canal).—GreLiou, 
Avif. Ital., 1886, 428.—OupHe-GaLuiarp, Orn. Eur. Occid., fasc. x, 1886, 
76.—ALLEON, Ornis, 1886, 422 (Black Sea).—Harvis-Brown and BucKLEY, 
Faun. Sutherl., 1887, 231; Faun. Outer Hebrides, 1888, 146.—WincE, Ornis, 
1890, 379 (Holland, Denmark, breeding).—Stevenson and SovUTHWELL, 
Birds Norfolk, iii, 1890, 335.—Sryan, Ibis, 1891, 508 (lower Yangtse River, 
China).—GArxr, Vogelw. Helgoland, 1891, 574.—Bucoxiey and Harvig- 
Brown, Faun. Orkney Is., 1891, 231; Faun. Argyll, etc., 1892, 190.—ScHa- 
Low, Journ. fiir Orn., 1891, 262 (Kamchatka; Sitka, Alaska?).—CAMPBELL, 
Ibis, 1892, 246 (Korea).—Dr La Toucan, Ibis, 1892, 501 (Foochow and 
Swatow, China, in winter)—D’Ursan and Matuew, Birds Devon, 1892, 
379.—Macruerson, Faun. Lakeland, 1892, 427—Mrapr-Waxpo, Ibis, 1893, 
206 (Canary Islands, rare).—Kornte, Journ. fiir Orn., 1893, 100 (Tunis, 
Algiers)—Bace, Ibis, 1893, 356 (Shetland Islands, breeding; habits).— 
PEARSON and Bipwet1, Ibis, 1894, 236 (n. Norway, breeding).—PEarson, 
Ibis, 1895, 248 (Iceland, not breeding); 1896, 212 (Russian Lapland, breed- 
