464 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Koenie, Journ. fiir Orn., 1893, 96 (Tunis)—AmERIcAN ORNITHOLOGISTS’ 
Union Committzz, Auk, xvi, 1899, 99; Check List, 3rd ed., 1910, 
p. 42.—Posson, Auk, xvi, 1899, 193 (Kendall, w. New York, Sept., 
1890).—Bzyzr, Proc. La. Soc. Nat. for 1897-99 (1900), 86 (resident on coast 
of Louisiana).—Brewsrer, Bull. Mus. Comp. Zool., xli, no. 1, 1902, 23 (La 
Paz, Lower California, Jan. 25; crit.)—Howz, Auk, xix, 1902, 91 (Ipswich, 
Massachusetts, Sept. 6, 1901).—Poeas, Journ. fiir Orn., 1902, 388 (nm. e. China), 
—Warp (H. L.), Bull. Wisc. Nat. Hist. Soc., iv, 1906, 113-133 (Gravel Island, 
Lake Michigan, breeding; breeding habits, etc.) —-TAVERNER and SwALzs, 
Wilson Bull., no. 59, 1907, 50 (Point Pelee, Ontario, May, Aug., Sept.).—Fin. 
LEY, Condor, ix, 1907, 97, in text (Lower Klamath and Tule Lakes, s. Oregon, 
breeding).—Linron, Condor, x, 1908, 196 (Buena Vista and Kern Counties, 
California, May, June) —Presiz, N. Am. Fauna, no. 27, 1908, 271 (breeding 
n. to mouth of Mackenzie River).—Taverner, Auk, xxv, 1908, 327 (Lake St. 
Clair, Michigan, April 26).—Jonzs, Wilson Bull., xxi, 1909, 70 (Sandusky 
Bay, Ohio, Sept. 13 and 23, 1907, and May 4 and 12, 1908).—Brooxs (A.), 
Auk, xxix, 1912, 252 (Okanagan Lake, British Columbia, July 8, 1910).— 
Lano, Auk, xxix, 1912, 389 (Lake Minnetonka, Minnesota, 8 specs., Sept. 29, 
1911).—SHarpiess, Auk, xxx, 1913, 105 (near West Chester, Pennsylvania, 2 
specs., Sept. 28, 1912).—GrINNELL, Pacific Coast Avif., no. 11, 1915, 23 (Cali- 
fornia; winter visitor and migrant coastwise and in interior). 
[Sterna] caspia Guertin, Syst. Nat., i, pt. ii, 1789, 603.—Laraam, Index Orn., ii, 
1790, 803.—Gray, Hand-list, iii, 1871, 120, no. 11050.—Covgs, Key N. Am. 
Birds, 1872, 319. : 
Sterna] caspia Keysertine and Buasrus, Wirb. Eur., 1840, pp. xcvii, 246.— 
Harriavs, Journ. fiir Orn., 1860, 175 (Madagascar). 
S[terna] caspia Riwaway, Ann, Lyc. N. Y., x, 1874, 391 (Illinois) —Netson, 
Bull. Essex Inst., viii, 1876, 147 (Lake Michigan, near Chicago, migrant and 
winter visitant; Waukegan, Illinois, June 9, 1876). 
Thalasseus caspius Born, Ibis, 1822, 563.—Covss, Proc. Ac. Nat. Sci. Phila., 
1862, 537 (monogr.); Proc. Essex Inst., v, 1868, 308 (New England).—Law- 
RENCE, Ann. Lyc. N. Y., viii, 1867, 299 (vicinity New York City).—Ext1oz, 
New and Unfig. N. Am. Birds, pt. 4, 1867 (vol. ii), pl. 56 and text.—OLpa- 
GauLiaRD, Contr. Faun. Orn. Eur. Occid., livr. x, 1886, 5.—Sanvaporti, 
Ucce. Ital., 1887, 274. 
Hydroprogne caspia Kaur, Natiirl. Syst., 1829,-91, 196.—Fritscu, Vég. Eur., 1870, 
454, pl. 54, fig. 11—Gou.p, Birds Great Brit., v, 1873, pl. 68 and text.— 
Saunpers, Cat. Birds Brit. Mus., xxv, 1896, 32.—Sanvin and Gopmav, Biol. 
Centr.-Am., Aves, iii, 1903,401 (Mazatlan and Presidio de Mazatlan, Sinaloa).— 
Harter, Novit. Zool., xii, 1905, 199 (Lewis Island, n. w. Australia).— 
Matuews, Birds Australia, ii, pt. 3, 1912, pl. [105] facing p. 333. 
[Hydroprogne] caspia SHarre, Hand-list, i, 1899, 134.—ForseEs and Rosrnson, 
Bull. Liverp. Mus., ii, no. 2, 1899, 53 (Egypt; Persia; Gambia; Amoy, 
China; Actaeon Island, Tasmania; New Zealand). 
Sylochelidon caspia BREuM, Vég. Deutschl., 1831, 770.—Bonaparts, Geog. and 
Comp. List, 1838, 62; Cat. Ucc. Eur., 1842, 72.—Macaiturvray, Brit. Birds, 
v, 1852, 626.—Breum, Vogelf., 1855, 345.—Jerpon, Birds India, iii, 1864, 
835.—GouLpD, Handb. Birds Australia, ii, 1865, 392—Locun, Expl. Sci. 
Algér., Ois., ii, 1867,196.—Sa.vaport, Faun. Ital., Ucc., 1871, 278.—SwinHoE, 
Proc. Zool. Soc. Lond., 1871, 421 (China),—Hoxpsworra, Proc. Zool. Soc. 
Lond., 1871, 480 (Ceylon).—Lzeaz, Ibis, 1875, 407 (s. Ceylon).—Taczanow- 
sx1, Bull. Soc. Zool. France, 1876, 261 (e. Siberia) —Davip and OvusTALET, 
Ois. Chine, 1877, 522.—Ramsay, Proc. Zool. Soc. Lond., 1877, 347 (n. e. 
Queensland).—Grexro1t, Ibis, 1881, 217(Cazliari, Italy); Avif. Ital., 1886, 411. 
