BIRDS OF NORTH AND MIDDLE AMERICA, 525 



D[amophila] amabilis Cabanis and Heine, Mus. Hein., iii, 1860, 40 (Colombia). 



[DamophiJn] mnahilis Sclater and Salvin, Norn. Av. Neotr., 1873, 93, part. 



Polyerata amabilis Heine, Jouru. fiir Oru., 1863, 194, in text. — Mulsant and 

 Verreaux, Hist. Nat. Ois.-Moiich., ii, li\T. 1, 1875, 52 (Costa Rica; Colom- 

 bia; Ecuador); iv, livr. 3, 1878, 193 (crit.). — Berlepsch, Journ. fiir Orn., 

 1884, 312 (Bucaramanga, Colombia); 1887, 333 (Bogota, Colombia); Proc. 

 Zool. Soc. Lond., 1885, 118 (Esmeraldas, w. Ecuad(5r). — Salvin, Cat. Birds 

 Brit. Mils., x\-i, 1892, 237 (Costa Rica; Lion Hill, Paraiso Station, and Chepo, 

 Isth. Panama; Antioquia, Quindiu Mts., and Bogota, Colombia; Esmeraldas 

 and Balzar Mts., w. Ecuador). — Salvin and Godman, Biol. Centr.-Am., 

 Aves, ii, 1892, 310.— Richmond, Proc. U. S. Nat. Mus., xvi, 1893, 517 (Rio 

 Frio, Costa Rica, and Rio Escondido, Nicaragua). — Boucard, Gen. Hum. 

 Birds, 1894, 142, part (Colombia; Ecuad6r; San Carlos, Costa Rica). — Har- 

 tert (E. and C), Novit. Zool., i, 1894, 10 (Nanegdl, Ecuador). 



[Polyerata] amabilis Mulsant, Ann. Soc. Linn. Lyon, n. s., xxii, 1876, 208. — 

 Heine and Reichenow, Nom. Mus. Hein. Orn., 1890, 180 (Bogota). 



[Hylocharis\ amabilis Gray, Hand-list, i, 1869, 150, no. 1946. 



Agyrtria amabilis Hartert, Novit. Zool., v, 1898, 517 (crit.). — Oberholser, 

 Proc. U. S. Nat. Mus., xxiv, 1902, 316 (Guayaquil, w. Ecuador; crit.). 



A[gyrtria\ amabilis Hartert, Das Tierreich, Troch., 1900, 48 (monogr.). 



[Agyrlria] aynabiUs Sharpe, Hand-list, ii, 1900, 105. 



Agyrtria amabilis amabilis Carriker, Ann. Carnegie Mus., vi, 1910, 525 (Carib- 

 bean lowlands, Costa Rica; habits). 



POLYERATA DECORA Salvin. 



CHARMING HUMMING BIRD. 



Similar to P. amahilis, but bill much longer (both relatively and 

 absolutely); adult male with whole pileum (that is, occiput as well 

 as forehead and crown) brilliant metallic green, chin and upper throat 

 dull bronzy or greenish (not appearing black when viewed from in 

 front), blue area of lower throat and upper chest narrower and 

 decidedly less violaceous, upper tail-coverts usually less purplish 

 bronze, middle rectrices olivaceous bronze (never purplish), and rest 

 of tail much duller blackish, glossed with bronzy rather than bluish. 



Adult male. — Pileum brilliant metallic green (burnished eilierald 

 green or slightly yellowish or golden emerald) ; hindneck, sides of 

 head and neck, back, scapulars, and wing-coverts metallic bronze- 

 green or greenish bronze, the rump usually more decidedly bronzy; 

 upper tail-coverts rather dull bronze or olive-bronze (more rarely 

 dull coppery bronze) ; middle pair of rectrices dull olive-bronze, the 

 remaining rectrices dusky, faintly glossed with bronze, the gloss 

 becoming more violaceous terminally, especially on outer rectrices; 

 remiges dark brownish slate or dusky, glossed with purplish; chin 

 and upper throat dull dusky or sooty, the feathers with terminal 

 portion metallic green when viewed in certain lights; lower throat 

 and upper chest bright metallic blue (cobalt to ultramarine exteriorly, 

 more violaceous centrally) ; lower chest dull metallic green or bluish 

 green, the feathers margined vAih pale brownish gray; sides and 



