BIEDS OF NORTH AND MIDDLE AMERICA. 453 



1875, 395 (Cuba); Repert. Fisico-Xat. Cuba, i, 186G, 393 (Cuba).— Coues and 

 Prentiss, An. Rep. Smithson. Inst, for 1861 (1862), 419 (Washington, D. C, 

 accidental). — Schlegel, Mus. Pays-Bas, vi, no. 24 (Sternae), 1864, 39. — 

 ScLATER, Proc. Zool. Soc. Lond., 1864, 199 (near City of Mexico). — 

 Leotaup, Ois. Trinidad, 1866, 534.— Dressek, Il)is, 1866, 45 (s. Texas).— 

 Coues, Proc. Essex Inst., v, 1868, 309 (New England coast, formerl}'); Proc. 

 Post. Soc. N. II., xii, 1868, 127 (South Carolina); Proc. Ac. Xat. Sci. Phila., 

 1871, 46 (Fort Macon, North Carolina); Check List, 1873, no. 507; 2nd ed., 

 1882, no. 809; Birds Northwest, 1874, 715 (monogr.). — Sclater and Salvin, 

 Proc. Zool. Soc. Lond., 1871, 566 (monogr.). — Allen, Bull. Mus. Comp. 

 Zool., ii, ]871, 368 (e. Florida, winter).— Bailey (H. B.), Bull. Nutt. Orn. 

 Club, i, 1876, 28 (Cobb's Island, Virginia, breeding). — Boucard, Liste Ois. 

 r^col. Guat., 1878, 18 (Guatemala); Proc. Zool. Soc. Lond., 1883, 462 (Yuca- 

 tan).— Scott, Bull. Nutt. Orn. Club, iv, 1879. 227 (Little Egg Harbor, 

 Brigantine Beach, and Long Beach, New Jersey, breeding). — Brewer, 

 Proc. Bost. Soc. N. H., xx, 1879, 276 (Woods Hole, Massachusetts, 1 spec, 

 Aug. 19, 1879).— Ridgway, Proc. U. S. Nat. Mus., iii, 1880, 206 (Cat. N. 

 Am. Birds, no. 656); Nom. N. Am. Birds, 1881, no. 656.— Purdie, Bull. 

 Nutt. Orn. Club, vii, 1882, 125 (Cape Cod, Massachusetts, in 1605; breeding 

 on Muskegat Island, Massachusetts up to 1832). — Baird, Brewer, and 

 Ridgway, Water Birds N. Am., i, 1884, 192.— LooMis, Auk, ii, 1885, 193 

 (Chester, South Carolina, 1 spec, Sept. 10, 1882, after storm). — Salvin, Ibis, 

 1886, 180 (Brit. Guiana).— Cory, Cat. West Ind. Birds, 1892, 83 (Cuba; St. 

 Croix).— Chapman, Bull. Am. Mus. N. H., vi, 1894, 84 (Trinidad).— Saun- 

 ders, Bull. Brit. Orn. Club, no. xxv, 1895, p. xxv (crit.); Cat. iJirds Brit. 

 Mus., xxv, 1896, 153, part (Tampico, Tamaulipas, Feb.; Rio Lagarto and Pro- 

 greso, Yucatan, June; Cozumel Island, Feb.; etc., except spec, from Acapam, 

 Guatemala). — Salvin and Godman, Biol. Centr.-Am., Aves, iii, 1903, 416, 

 part (Matamoros Lagoon and Tampico, Tamaulipas; City of Mexico?; Guana- 

 juato?; Rio Lagarto, Progreso, and Cozumel Island, Yucatan; Los Sabalos, 

 Nicaragua?; Trinidad; West Indies). — Reiser, Denksohr. Mat.-Nat. Kl. K. 

 Ak. Wiss. Wien, Ixxvi, 1910, 98 (Rio Silo Francisco and Ilha Grande, n. e. 

 Brazil). 



R[hynchops] nigra Coues, Key N. Am. Birds, 2nd ed., 1884, 772. 



Rhijnchops nigra Temminck, Cat, Syst., 1807, 181. 



Rhyncops nigra Sonnini, Nouv. Diet. d'Hist. Nat., iii, 1816, 337. — Gundlacii, 

 Journ. fur Orn., 1862, 180 (Cuba). 



[Rhyncops] nigra Gundlach, Journ. fiir Orn., 1861, 348 (Cuba). 



Rhincops nigra Bonaparte, Ann. Lye N. Y., ii, 1828, 352. — Nuttall, Man. Orn. 

 U. S. and Can., Water Birds, 1834, 264.— Audubon, Birds Am., fol., iv, 1838, 

 pi. 323. 



R[hincops] nigra Bonaparte, Obs. Nomencl. Wilson's Am. Orn., 1826, [207]. 



[Rynchops]/ulva Linn^us, Syst. Nat., ed 10, i, 1758, 138 (Guiana; based on Ryng- 

 chopsaliafulva, rostro nigro, Ban-fere, "av. 10"). — Gmelin, Syst. Nat., i, pt. ii 

 1789, 611. 



[Rhynchops nigra] /3. Latham, Index Orn., ii, 1790, 803 (=R.fulva Linnaeus). 



R[hyncops] borealis Swainson, Anim. in Menag., 1838, 340 (new name for "niger 

 Auct."). 



RYNCHOPS NIGRA INTERCEDENS (Saunders). 



SOUTHERN SKIMMER. 



Similar to B. n. nigra, but averaging much larger, white of under 

 wing-coverts usually tinged with pale brownisli gray (at least the more 



