676 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
across middle portion greatly reduced in width or obsolete; remiges 
dusky, faintly glossed with violaceous; malar region, chin, throat, 
and chest white, the chin and throat usually flecked or punctulated 
with dusky bronze; rest of under parts light cimnamon-rufous, the 
sides of breast glossed with bronze or bronze-green; bill blackish or 
dusky, the mandible usually more brownish for basal half or more; 
iris dark brown; feet dusky; length (skins), 64-67 (66); wing, 
36.5-39 (37.8); tail, 17.5-22 (20.4); exposed culmen, 11-12 (11.4).¢ 
Immature male.—Similar to the adult female but lower throat with 
greater or less admixture of metallic green feathers, and rump-band 
narrower. 
Costa Rica (San José; San Pedro de San José; Escazi; Volcan de 
Irazi; Juan Vifias; Barranca; Boruca; San Pedro) and western 
Panamé (Bugaba, Volcdn de Chiriqui; Bibalaz). 
Lophornis adorabilis Savin, Proc. Zool. Soc. Lond., 1870, 207 (Bugaba, Volcdn 
de Chiriqui, Panamé; coll. Salvin and Godman); Cat. Birds Brit. Mus., xvi, 
1892, 425 (Bugaba and Bibaldz, Panamd).—Exuior, Classif. and Synop, 
Troch., 1879, 135.—SHarre, Suppl. Gould’s Mon. Troch., 1880, pl. 35.— 
ZeLEDON, Anal. Mus. Nac. Costa Rica, i, 1887, 122 (San José, Costa Rica).— 
Ripeway, Proc. U. 8. Nat. Mus., xi, 1888, 542 (San José); Rep. U. S. Nat. 
Mus. for 1890 (1891), pl. 30, fig. 2—CuERRIE, Expl. Zool. Merid. Costa Rica, 
1882, 45 (Boruca, s. w. Costa Rica); Auk, ix, 1892, 324 (Boruca; San José).— 
Sa.vin and GopMaAN, Biol. Centr.-Am., Aves, ii, 1892, 365, pl. 57, figs. 1, 2.— 
BovucarpD, The Hum. Bird, ii, 1892, 73 (Chiriqui, Panam4); Gen. Hum. 
Birds, 1892, 34 (Bugaba).—Satvapori and Fxsta, Boll. Mus. Zool., etc., 
Torino, xiv, 1899, no. 339, 7 (Chiriquf).—Banes, Auk, xxiv, 1907, 296 
(Boruca).—CarrikER, Ann. Carnegie Mus., vi, 1910, 553 (Costa Rica). 
[Lophornis] adorabilis ScuaTER and Satvin, Nom. Av. Neotr., 1873, 83.—SHARPE, 
Hand-list, ii, 1900, 143. 
Llophornis] adorabilis Hartert, Das Tierreich, Troch., 1900, 219. 
Dialia adorabilis Muusant and VERREAUX, Hist. Nat. Ois.-Mouch., ii, livr. 2, 
1875, pl. 25, fig. 1; iii, livr. 3, 1876, 208 (Bugaba). 
[Dialia] adorabilis Mutsant, Ann. Soc. Linn. Lyon, xxii, 1876, 223. 
Genus POPELAIRIA Reichenbach. 
Gouldia (not of Adams, 1847) Bonaparte, Consp. Av., i, 1850, 86. (Type, 
Trochilus langsdorffi Bonnaterre and Vieillot.) 
Popelairia ReicHensacu, Aufz. der Colibr., 1854,12. (Type, Trochilus popelairit 
Du Bus.) 
Popelairea (emendation) Simon, Cat. Troch., 1897, 41.—Harrert, Das Tierreich, 
Troch., 1900, 222. 
Gouldomyia Bonaparte, Rev. et Mag. de Zool., vii, pt. 2, 1854, 257. (Type, 
Trochilus langsdor ffi Bonnaterre and Vieillot.) 
Prymnacantha > Capants and Heinz, Mus. Hein., iii, April, 1860, 64. (Type, 
Trochilus popelairtt Du Bus.) 
Primnacantha (error) Muusant, Ann. Soc. Linn. Lyon, n. s., xxii, 1876, 223. 
Tricholopha ¢ HzInz, Journ. fir Orn., 1863, 209, in text. (Type, Popelairia 
tricholopha Reichenbach= Trochilus popelairii Du Bus.) 
a Ten specimens from Costa Rica. 
b “Von xpbpya (Hintertheil, Schwanz) und dkavda (Dorn).’”’ (Cabanis and Heine.) 
¢ “Von dot, Haar; und Aédoc, Helmbusch.” (Heine.) 
