544 BULLETIN 50, UlSriTED STATES NATIONAL MUSEUM. 



Proc. Zool. Soc. Lond., 1885, 112 (Riobamba, Ecuador). — Sclater and 

 Hudson, Argentine Orn., ii, 1889, 194. — Sclater, Proc. Zool. Soc. Lond., 

 1891, 301 (in Zool. garden, London).— Chapman, Bull. Am. Mus. N. H., vi, 

 1894, 84 (Trinidad).— Saunders, Cat. Birds Brit. Mus., xxv, 1896, 23 (Rupu- 

 runi River and Ourumee, Brit. Guiana; Surinam; Mexiana Island; S.Brazil; 

 Rio Parana; upper Rio Ucayali and Pebas, e. Peru; Guayaquil, w. Ecua- 

 dor). — Robinson, Proc. U. S. Nat. Mus., xviii, 1896, 653 (Margarita Island, 

 and Cumana, Venezuela). — Koenigswald, Journ. fiir Orn., 1896, 396 (Siio 

 Paulo, s. Brazil).- — Ihering, Revista Mus. Paulista, iii, 1899, 443 (Iguape, 

 Sao Paulo); iv, 1890, 293 (descr. eggs).— Berlepsch and Hartert, Novit. 

 Zool., ix, 1902, 132 (Altagracia, Caicara, and La Pricion, Orinoco River, 

 Venezuela). — Beebe, Zoologica, i, 1909, 74 (mouth of Rio San Juan, Vene- 

 zuela).— Cory, Field Mus. N. H., Pub. 137, 1909, 194 (vVruba), 233 (Margarita 

 Island). — Hartert and Venturi, Novit. Zool., xvi, 1909, 253 (Barracaa 

 al Sud, San Vicente, and Puerto Ocampo, Argentina; descr. eggs). — Reiser, 

 Denlcschr. Mat.-Nat. Kl. Kaiserl. Ak. Wiss. Wien, Ixxvi, 1910, 97 (localities in 

 n. e. Brazil). — Dabbene, Orn. Argent., 1910, 210 (Mar Chiquita, Cordoba; 

 San Vicente, Chaco; Estuario del Plata; Rio Parana; Rio Uruguay). — Grant 

 (C. H. B.), Ibis, 1911, 471 (Tayru, Colonia Risso, and near Puerta Braga, 

 Paraguay, Aug. -Oct., breeding; habits; descr. nest and eggs). 



[Phsethusa] rruKinirostris Sclater and Salvin, Nom. Av. Neotr., 1873, 147. — 

 Sharps, Hand-list, i, 1899, 134. — Forbes and Robinson, Bull. Liverp. 

 Mus., ii, no. 2, 1899, 53. 



[Phacthus'i^ magnirostris Heine and Reichenow, Nom. Mus. Hein. Orn., 1890, 

 355. 



[Phxtusa] magnirostris Bonaparte, Compt. Rend., xlii, 1856, 772. 



Thalasseus magnirostris Sclater and Salvin, Proc. Zool. Soc. Lond., 1866, 200 

 (lower Ucayali, e. Peru). 



Thalassitcs magnirostris Swainson, Classif. Birds, ii, 1837, 372. 



Sylochelidon magnirostris Gray, List Birds Brit. Mus., Anseres, 1844, 175. — 

 Blasius, Journ. fiir Orn., 1866, 82. 



Sterna speculi/era "Temm[inck]" Lesson, Traits d'Orn., 1831, 622 (Brazil; see 

 Pucheran, Rev. et Mag. de Zool., ii, 1850, 544). 



S[terna] speculi/era Gray, Gen. Birds, iii, 1846, 659. 



Sylochelidon speculifera Boie, Isis, 1844, 186. 



Sterna alblfrons Pucheran (not of Pallas, 1764), Rev. et Mag. de Zool., ii, 1850, 

 544 (coll. Paris Mus.; ex Cuvier, manuscript). 



Genus ANOUS Stephens. 



Aiiousa Stephens, Shaw's Gen. Zool., xiii, pt. i, 1826, 139. (Type, as designated 



by Gray, 1840, A. niger Stephens =5ifrna stolida Linnaeus.) 

 Stolida Lesson, Traite d'Orn., 1831, 620. (Type, by tautonymy, Sterna stolida 



Linnaeus.) 

 Gavia (not of Forster, 1788, nor Boie, 1822) Swainson, Classif. Birds, ii, 1837, 373. 



(Type, G. leucoceps Swsdnson— Sterna stolida Linnaeus.) 

 Aganaphron Gloqer, Hand- und Hilfabuch, 1842, 403. (TjT)e, Sterna stolida 



Linnaeus.) 



Medium-sized Sternidae (wing 244-292 mm.) of uniform dusky- 

 coloration (the forehead sometimes whitish), graduated and sHghtly 

 forked tail, and without 1 at ero-f rental antiae. 



o '\vovs, silly, stupid. (Richmond.) 



