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



Phaethornis obscura Gould, Proc. Zool. Soc. Lond., 1857, p. 14; Id., Mon. 



Trochil., I, 1851, pi. 38. 

 Pygmornis idaliae Salvin, Cat. Bds. Brit. Mus., XVI, 1892, p. 284. 

 Phaethornis idaliae Hellmayr, Verh. der Omith. Gesell. Bayern, XII, 1915, p. 151. 



Range: Central and southern Brazil. 



*Phaethornis ruber ruber (Linn.). Red- vented Hermit. 



Trochilus ruber Linnaeus, Syst. Nat., loth ed, 1758, p. 121 (Surinam). 

 Pygmornis pygmaeus Salvin, Cat. Bds. Brit. Mus., XVI, 1892, p. 285. 

 Phaethornis pygmaeus Gould, Mon. Trochil., I, 1852, pi. 41, and of authors. 

 Trochilus rufigaster Veillot, Tabl. Enc. Meth., 1822, p. 551, 

 Phaethornis rufigaster Hartert, Thierr. p. 27, VI, 1904, p. 356 (Sao Paulo). 

 Phaethornis ruber ruber Hellmayr, Nov. Zool., XIII, 1906, p. 375; Id., Nov. 



Zool. XVII, 1910, p. 374; Id., 1907, p. 75. 

 Phaethornis ruber Chubb, Bds. Brit. Guiana, I, 1916, p. 387. 



Range: French Guiana, Brazil and eastern Bolivia. 

 3: "Brazil" i; and Surinam (near Paramaribo) 2. 



*Phaethomis ruber episcopus Gould. Bishop Hermit. 



Phaethornis episcopus Gould, Proc. Zool. Soc. Lond., 1857, p. 14 (Demerara, 



British Guiana). 

 Pygmornis episcopus Salvin and Elliot, Ibis, 1873, p. 274; Salvin, Cat. Bds. 



Brit. Mus., XVI, 1892, p. 284; Hartert, Ibis, 1897, p. 428, in text. 

 Eremita whitelyi Boucard, Gen. Humming Birds, 39 p. 390. 

 Phaethornis ruber episcopus Hellmayr, Nov. Zool., XIII, 1916, p. 375, in text; 



Id., 1907, p. 75. 

 Phaethornis caurensis Simon et Delmar, Omis, XI, 1901, p. 208 (Caura River, 



Ven.). 



Range: British Guiana and Venezuela. 

 1 : British Guiana. 



Phaethornis ruber longipennis {Bed. attd Stolz.).^ Long- winged 

 Hermit. 

 Phaethornis rufigaster longipennis Berlepsch and Stolzmann, Proc. Zool. Soc. 

 Lond., 1902, p. 19 (Chvmchamayo, Peru); Hellmayr, Nov. Zool., XIV, 1907, 

 p. 95- 

 Range: Central Peru. 



Phaethornis ruber nigricinctus Lawrence. Black-banded Hermit. 



Phaethornis nigricinctus Lawrence, Ann. Lye. Nat. Hist. N. Y., VI, 1858, p. 260 



(Ecuador); Gould, Mon. Trochil., I, 1859, pi. 39. 

 Pygmornis nigricinctus Salvin, Cat. Bds. Brit. Mus., XVI, 1892, p. 286. 

 P[haethoTnis] nigricinctus Hartert, Ibis, 1897, p. 429, in text. 

 Phaethornis ruber nigricinctus Hellmayr, Nov. Zool., XIV, 1907, p. 75. 



Range: Eastern Ecuador and northeastern Peru. 



■ Phaethornis ruber longipennis Berl. & Stolz.: Similar to P. r. ruber (Linn.), 

 but differs in its much longer bill, which averages more than 41 mm., while that of 

 P. r. ruber averages less than 37 mm. 



