044 BULLETIN 50, UNITED STATES NATIONAL- MUSEUM. 
Proc. Zool. Soc. Lond., 1885, 112 (Riobamba, Ecuador).—SciaTer and 
Hupson, Argentine Orn., ii, 1889, 194.—ScnaTeR, Proc. Zool. Soc. Lond., 
1891, 301 (in Zool. garden, London).—Cuarman, Bull. Am. Mus. N. H., vi, 
1894, 84 (Trinidad).—SaunpeErs, 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).—Rosrvson, Proc. U. 8. Nat. Mus., xviii, 1896, 653 (Margarita Island, 
and Cumana, Venezuela).—KornieswaLp, Journ. fiir Orn., 1896, 396 (Sao 
Paulo, s. Brazil).—InErine, Revista Mus. Paulista, iii, 1899, 443 (Iguape, 
Sao Paulo); iv, 1890, 293 (descr. eggs).—Breruerscn and Harrert, Novit, 
Zool., ix, 1902, 132 (Altagracia, Caicara, and La Pricion, Orinoco River, 
Venezuela).—BreseE, Zoologica, i, 1909, 74 (mouth of Rio San Juan, Vene- 
zuela).—Cory, Field Mus. N. H., Pub. 137, 1909, 194 (Aruba), 233 (Margarita 
Island).—Harrert and Venturi, Novit. Zool., xvi, 1909, 253 (Barracas 
al Sud, San Vicente, and Puerto Ocampo, Argentina; descr. eggs).—REISER, 
Denkschr. Mat.-Nat. KI. Kaiserl. Ak. Wiss. Wien, lxxvi, 1910, 97 (localities in 
n. e. Brazil).—DasBeEne, 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). 
[Phezthusa] magnirostris ScraTeR and Satvin, Nom. Av. Neotr., 1873, 147.— 
Suarpe, Hand-list, i, 1899, 134.—Forpes and Rosrnson, Bull. Liverp. 
Mus., ii, no. 2, 1899, 53. 
[Phaethusa] magnirostris Heine and Retcuenow, Nom. Mus. Hein. Om., 1890, 
355. 
[Phextusa] magnirostris Bonaparte, Compt. Rend., xlii, 1856, 772. 
Thalasseus magnirostris ScLaTER and Savin, Proc. Zool. Soc. Lond., 1866, 200 
(lower Ucayali, e. Peru). 
Thalassites magnirostris Swainson, Classif. Birds, ii, 1837, 372. 
Sylochelidon magnirostris Gray, List Birds Brit. Mus., Anseres, 1844, 175.— 
Buasivus, Journ. fiir Orn., 1866, 82. 
Sterna speculifera ‘‘Temmfinck]” Lesson, Traité d’Orn., 1831, 622 (Brazil; see 
Pucheran, Rev. et Mag. de Zool., ii, 1850, 544). 
S[terna] speculifera Gray, Gen. Birds, iii, 1846, 659. 
Sylochelidon speculifera Bots, Isis, 1844, 186. 
Sterna albifrons PucHERAN (not of Pallas, 1764), Rev. et Mag. de Zool., ii, 1850, 
544 (coll. Paris Mus.; ex Cuvier, manuscript). 
Genus ANOUS Stephens. 
Anous® SrepHens, Shaw’s Gen. Zool., xiii, pt. i, 1826, 139. (Type, as designated’ 
by Gray, 1840, A. niger Stephens=Sterna stolida Linnseus.) 
Stolida Lesson, Traité d’Orn., 1831, 620. (Type, by tautonymy, Sterna stolida 
Linneus.) 
Gavia (not of Forster, 1788, nor Boie, 1822) Swarnson, Classif. Birds, ii, 1837, 373. 
(Type, G. leucoceps Swainson=Sterna stolida Linnzus.) 
Aganaphron GurocER, Hand- und Hilfsbuch, 1842, 463. (Type, Sterna stolida 
Linneus.) 
Medium-sized Sternide (wing 244-292 mm.) of uniform dusky 
coloration: (the forehead sometimes whitish), graduated and slightly 
forked tail, and without latero-frontal antiz. 
@ “Avovs, silly, stupid. (Richmond.) 
