276 Field Museum of Natural History — Zoology, Vol. XIII. 



Genus OPISTHOPRORA Cabanis & Heine. 



Opisthoprora Cabanis and Heine, Mus. Heine, III, i860, p. 76 (Type Trochilus 

 eurypterus Loddiges). 



♦Opisthoprora euryptera Loddiges. Loddiges Thorn-bill. 



Trochilus euryptera Loddiges, Proc. Zool. Soc. Lond., 1832, p. 7 (Popayan). 



Trochilus georginae Bourcier, Proc. Zool. Soc. Lond., 1847, p. 48. 



Avocettinus eurypterus Gould, Mon. Trochil., Ill, 1856, pi. 200; Elliot, Syn. 



Trochil., 1897, p. 161. 

 Opisthoprora euryptera Salvin, Cat. Bds. Brit. Mus., XVI, 1892, p. 347; Ober- 



HOLSER, Proc. U. S. Nat. Mus., XXIV, 1902, p. 336 (Papallacta, eastern 



Ecuador) ; Chapman, Bvdl. Am. Mus. N. H., XXXVI, 1917. p. 307 (Almaquer, 



Colombia). 



Range: Colombia and eastern Ecuador, 

 i: "Colombia." 



Genus EUSTEPHANUS Reichenbach. 



Eustephanus Reichenbach, Av. Syst., 1849, pi. 40 (Type Trochilus galeritus 

 Molina). 



*Eustephanus fernandensis (King). Juan Fernandez Humming- 

 bird. 



Trochilus fernandensis King, Proc. Zool. Soc. Lond., 1830-31, p. 30 (Juan Fer- 

 nandez). 



Eustephanus fernandensis Gould, Mon. Trochil., IV, 1854, pi. 267; Id., Suppl. 

 Trochil., 1881, pi. 26; Elliot, Syn. Trochil., 1879, p. 93; Salvin, Cat. Bds. 

 Brit. Mus., XVI, 1892, p. 157. 



Eustephanus stokesi Gould, Mon. Trochil., IV, 1854, pi. 266. 



Range: Juan Fernandez, coast of Chile. 

 2 : Juan Fernandez Island. 



*Eustephanus leyboldi Gould. Massafuera Hummingbird. 



Eustephanus leyboldi, Gould, Ann. & Mag. N. H., (4) VI, 1870, p. 409 (Massa- 

 fuera Island); Id., Suppl. Trochil., 1881, pi. 25; Elliot, Syn. Trochil., 1879, 

 p. 94; Salvin, Cat. Bds. Brit. Mus., XVI, 1892, p. 158. 



Range: Coast of Chile, 

 i: "Chile." 



♦Eustephanus galeritus (Molina). Chilian Fire Crown. 



Trochilus galeritus Molina, Saggio Stor. not Chile, 1782, p. 247 (Chile); Eraser, 



Proc. Zool. Soc. Lond., 1843, p. 114. 

 Eustephanus galeritus Gould, Mon. Trochil., IV, 1852, pi. 265; Elliot, Syn. 



Trochil., 1879, p. 93; Salvin, Cat. Bds. Brit. Mus., XVI, 1892, p. 156; Lane, 



Ibis, 1897, p. 46 (Arauco, Chile). 



