392 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Mus., xvi, 1892, 89 (Boca del Toro; Santa Fe and Santiago de Verdgua). — 

 Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 275. — Boucard, Gen. 

 Hum. Birds, 1895, 324. 



[Hypuroptila] isaurae Mulsant, Ann. Soc. Linn. Lyon, xxii, 1876, 203. 



Hypuroptila (Lampornis) isaurae Mulsant and Verreaux, Hist. Nat. Ois.- 

 Mouch., iv, livr. 2, 1877, 158 (synon.) 



Chalybura'? isaurae Gould, Introd. Troch., oct. ed., 1861, 72. 



Chalybura isaurse Salvin, Proc. Zool. Soc. Lond., 1867, 152 (Santiago and Santa 

 Fe de Verdgua, Panamd,; descr. female). — Lawrence, Ann. Lye. N. Y., ix, 

 1868, 122 (Boca del Toro).— Frantzius, Journ. fiir Orn., 1869, 315 (Costa 

 Rica). — Elliot, Classif. and Synop. Troch., 1879, 46. — Zeledon, Cat. Aves 

 de Costa Rica, 1882, 20; Anal. Mus. Nac. Costa Rica, i, 1887, 122.— Boucard, 

 The Hum. Bird, ii, 1892, 85 (Verdgua). — Carriker, Ann. Carnegie Mus., vi, 

 1910, 537 (Costa Rica). 



[Chalybura] isaurse Sclater and Salvin, Nom. Av. Neotr., 1873, 82. — Sharpe, 

 Hand-list, ii, 1900, 117. 



Clhalybura] isaurae Hartert, Das Tierreich, Troch., 1900, 92 (monogr.). 



[Polylvius] isaurae Gray, Hand-list, i, 1869, 126, no. 1586. 



Lampornis isaurse Mulsant and Verreaux, Hist. Nat. Ois.-Mouch., i, livr. 3, 

 1874, 174 (Boca del Toro, Santa Fe, and Santiago, Panamd). 



CHALYBURA MELANORRHOA Salvin. 



DXTSKY PLUMELETEER. 



Adult male.— Above dark metallic grass-green, passing into bronze 

 on rump and into bronze-green or greenish bronze on wing-coverts; 

 upper tail-coverts dusky bronzy purplish; tail purplish bronze; 

 remiges dusky purplish brown, the inner secondaries bronze-green or 

 greenish bronze; primary coverts darker, indistinctly tipped with 

 dull bronze-green; under parts deep metallic grass-green, passing 

 into dusky bronze on abdomen and flanks; under tail-coverts dull 

 black or dusky, glossed with bronzy purple ; anal tufts dull grayish ; 

 maxilla black, mandible pale brownish (flesh color in hfe) dusky ter- 

 minally; iris dark brown; feet pale brownish (purphsh red or lake 

 red in life); length (skins), 111-119 (115); wing, 68.5-72.5 (70.2); 

 tail, 44-48 (46.2); culmen, 22.5-24 (23.3).« 



Adult female. — Similar to the adult male in color of upper parts, 

 but under parts dull brownish gray, with sides (especially sides of 

 breast) mostly metalhc green, the chest sometimes spotted with the 

 same; lateral rectrices broadly tipped with brownish gray; bill, etc., 

 as in adult male; length (skins), 102-108 (105); wing, 61-65.5 

 (63.2); tail, 36.5-41 (38.5); culmen, 22-24.5 (23.3).« 



Caribbean slope of Nicaragua (Chontales; Los Sabalos) and Costa 

 Rica (Angostura; Tucurriqui; Turrialba; Juan Vinas; Jimenez; 

 Bonilla; El Ilogar; Rio SIcsola; Cuabre; Guapiles; La Junta; La 

 Vijagua; Pacuare; Talamanca) to western Panama (Veragua). 



Chalybura melanorrhoa Salvin, Proc. Zool. Soc. Lond., 1864 (pub. April 1, 1865), 

 585 (Tucurriqui, Costa Rica; coll. Salvin and Godman); Ibis, 1872, 313, 319 



O' Ten specimens. 



