BIRDS OF NORTH AND MIDDLE AMERICA. 391 



Panama and northwestern Colombia (Medellin and Remedios, 

 Antioquia). 



Hypuroptila urochrysa Gould, Proc. Zool. Soc. Lond., xxix, 1861, 198 (Panamd; 

 coll. J. Gould); Ann. and Mag. N. H., 3d ser., viii, 1861, 268. 



Hypuroptila urochrysia Gould, Mon. Troch., pt. xxii (vol. ii), 1861, pi. 90. — 

 Salvin, Cat. Birds Brit. Mus., xvi, 1892, 89 (Panamd, Medellfn, and Reme- 

 dios, Colombia). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1892, 

 275. — BoucARD, Gen. Hum. Birds, 1895, 325 (Panama; Verdgua). 



Chalybura urochrysea Gould, Introd. Troch., oct. ed., 1861, 72. — Elliot, Classif. 

 and Synop. Troch., 1879, 46.— Boucard, The Hum. Bird, ii, 1892, 85 (Pan- 

 ama). — Hartert, Novit. Zool., v, 1898, 494 (Cachavf, n. w. Ecuad6r). 



[Chalybura] urochrysia Mulsant, Ann. Soc. Linn. Lyon, n. s., xxii, 1876, 203. 



Lampornis urochrysia Mulsant and Verreaux, Classif. Troch., 1866, 24; Hist. 

 Nat. Ois.-Mouch., i, livr. 3, 1874, 176 (Panamd; Verdgua). 



[Polytmus] urochryseus Gray, Hand-list, i, 1869, 126, no. 1587. 



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

 Hand-list, ii, 1900, 117. 



C[Jialybura] urochrysea Hartert, Das Tierreich, Troch., 1900, 92 (monogr.). 



CHALYBURA ISAUR.S (Gould.) 



BARONESS DE LAFRESNAYE'S PLUMELETEER. 



Adult male. — Pileiim and (usually) hindneck metallic greenish 

 bronze, usually tinged or intermixed with coppery bronze, the feathers 

 with a small central area of dusky, producing a more or less distinct 

 squamatc effect; back, scapulars, and wing-coverts metallic bronze- 

 green, usually more or less tinged or intermixed with bronze or 

 coppery; rump coppery bronze, passing into darker and more purplish 

 bronze on upper tail-coverts; tail uniform dark purplish bronze (less 

 violaceous than upper tail-coverts); remiges dusky, faintly glossed 

 with violaceous; malar region, chin, throat, chest, and breast rather 

 dark metallic green (bluish grass green to viridian), the feathers 

 abruptly dusky gray beneath the surface; femoral tufts and under 

 tail-coverts dull white; rest of under parts dusky grayish, strongly 

 glossed or overlaid by bronze-green or bronze; maxilla dull black, 

 mandible pale dull yellowish (pink or reddish in life ?) ; iris dark 

 brown; legs and feet pale brownish (pink or reddish in life?); length 

 (sldns), 105; wing,« 64.5-68.5 (66.6); tail, 39-43.5 (41.4); culmen, 

 22.5-25.5 (24.1 )^ 



Adult female. — ''Under surface from the chin to the vent grey, the 

 under tail-coverts white; the two lateral rec trices on either side are 

 tipped with dull grey preceded by a dark subterminal band." ^ 



Panama (Boca del Toro; Santa Fe and Santiago, Veragua) and 

 Caribbean coast district of Costa Rica (Talamanca; Puerto Limon). 



Hypuroptila isaunt; Gould, Proc. Zool. Soc. Lond., xxix, 1861, 199 (Boca del 

 Toro, "Costa Rica," i. e., Panamd; coll. J. Gould).— Salvin, Cat. Birds Brit. 



o One specimen. c Salvin, Cat. Birds Brit. Mus., xvi, 1892, 90. 



6 Four specimens. 



