BIRDS OF NORTH AND MIDDLE AMERICA. 465 



Sylochelidon caspiits Lawrence, Ann. Lye. N. Y., v, 1852, 37 (Long Island; New 

 Jersey; crit.). 



Hel[opits] caspius Wagler, Ibis, 1832, 1224. 



Sterna (Thalasseus) caspia Cotjes, Birds Northwest, 1874, 667 (monogr.). 



S[terna] {T)[halasseiis] caspia CouES, Key N. Am. Birds, 2d ed., 1884, 757. 



[Sterna caspia] /3 Gmelin, Syst. Nat., i, pt. ii, 1789,604. — Latham, Index Orn., 

 ii, 1790, 804. 



Sterna caspicaSp AunuAN, Miis. Carls., ii, fasc. 3, 1788, no. 62. — Powys, Ibis, 1860, 

 356 (Corfu; Epirus).— Kirk, Ibis, 1864, 337 (mouth of Zambesi River, 

 Africa, breeding). — Keller, Orn. Carinthiae, 1890, 306. 



Sylochelidon caspica Reichenbach, Av. Syst. Nat., 1850, pi. 4; Longipennes, 

 1852, 5. 



Thalasseus caspicus Rochebrune, Faun. S^n^gal, Ois, 1884, 336. 



Hydroprogne caspica Kaup, Sk. Entw. Eur. Thierw., 1829, 91. 



Sterna ischegrava Lepechin.o Nov. Comm. Petrop., xiv, pt. i, 1770, 500, pi. 13, 

 fig. 2 (south Russia). — American Ornithologists' Union, Check List, 1886, 

 and 2d ed., 1895, no. 64.— Nelson, Rep. Nat. Hist. Coll. Alaska, 1887, 58 

 (mouth of Yukon River and near St. Michaels, occasional visitant). — Beck- 

 ham, Proc. U. S. Nat. Mus., x, 1888, 644 (Corpus Christi, etc., Texas).— 

 Rhoads, Proc. Ac. Nat. Sci. Phila., 1892, 101 (Nuecea Bay, Texas).— White, 

 Auk, X, 1893, 222 (Lake Michigan).— Harrison, Wilson Bull., no. 12, 1897, 

 8 (La Crescent, Minnesota, 8 specs., Sept. 14, 20 specs. Sept. 15, 1896). 



Hydroprogne tschegrava ischegrava Mathews, Birds Australia, ii, pt. 3, Sept. 20, 

 1912, 337 (shores of Caspian Sea, breeding). 



Larus atridlla (not of Linnaeus) Gmelin (S. G.), Nov. Comm. Petrop., xv, 1771, 

 478, pi. 22, fig. 2 (Tscherkask). 



Sterna megarhynchos Wolf and Meyer, Vog. Deutschl., ii, 1805, 33 and fig. — 

 Meyer and Wolf, Taschenb. Deutsch. Vog., ii, 1810, 457 and fig. 



Sterna schillingi Brehm, Beitr. Vogelk., iii, 1822, 641, pi. 4; Lehrb. Eur. Vog., 

 1824, 681. 



Sylochelidon schillingi Brehm, Vog. Deutschl., 1831, 770; Vogelf., 1855, 345; 

 Naumamda, 1855, 295. 



Sylochelidon balthica Brehm, Vog. Deutschl., 1831, 769; Vogelf., 1855, 345; 

 -Naumannia, 1855, 295. 



Thalassites melanotis Swainson, Birds West Africa, ii, 1837, 253 (w. Africa; type 

 now in coll. Cambridge [England] Mus.). 



SylocJielidon melanotis Boie, Isis, 1844, 186. 



[Sylochelidon] melanotis Bonaparte, Compt. Rend., xlii, 1856, 772. 



Sterna melanotis Hartlaub, Orn. West-Afr., 1857, 254.— Forbes, Ibis, 1883, 500 

 (Bonny; large colony). 



Sylochelidon macrorhyncha Boie, Isis, 1844, 186. 



Sylochelidon strenuus Gould, Proc. Zool. Soc. Lond., (pub. May) 1846, 21 (a. 

 coasts Australia; Bass Straits and Tasmania, breeding; coll. J. Gould?); Birds 

 Australia, vii, 1848, pi. 22 and text. — Reichenbach, Vog. Neuholl., ii, 1850, 

 9, 346 



[Sylochelidon] strenua Bonaparte, Compt. Rend., xlii, 1856, 772. 



Hydroprogne tschegrava strenua Mathews, Birds Australia, ii, pt. 3, Sept. 20, 

 1912, 333, 337 (Australia). 



Sterna cayana (not of Latham) Richardson, Journ. Boat-Voy., i, 1851, 87, 155 

 (Great Slave Lake, breeding). 



Sterna major Ellman, Zool., 1861, 7472 (New Zealand). 



o Lepechin has anteriority over Pallas (see Sterna caspia Pallas), but of the six species 

 described in his paper only three are binomial. 

 40017— 19— Bull. 50, pt 8 31 



