BIRDS OF NORTH AND MIDDLE AMERICA, 507 
Highlands of southern and central Costa Rica (Cartago; La 
Estrella de Cartago; Escazi; Dota Mountains; Santa Maria, Copéy, 
Laguaria, Los Reyes, and Las Vueltas, Dota; Ojuras de Térraba) and 
adjacent portion of western Panama (Volcan de Chiriquf). 
Oreopyra cinereicauda Lawrence, Ann. Lyc. Nat. Hist. N. Y., viii, May, 1867, 
485 (Costa Rica; coll. G. N. Lawrence); ix, 1868, 125 (Costa Rica).—FRant- 
zius, Journ. fiir Orn., 1869, 316 (Costa Rica).—Sanvin, Proc. Zool. Soc. Lond., 
1870, 206; Cat. Birds Brit. Mus., xvi, 1892, 307.—Boucarp, Proc. Zool. Soc. 
Lond., 1878, 68 (Navarro, Costa Rica); Gen. Hum. Birds, 1895, 225 (Navarro 
and Cartago, Costa Rica).—Muusant and VERREAUX, Hist. Nat. Ois.-Mouch., 
iv, livr. 3, 1878, 168, pl. 116 (Cartago); Suppl., pl. 2—Etuio7, Classif. and 
Synop. Troch., 1879, 34.—ZrLepén, Cat. Aves de Costa Rica, 1882, 20; 
Anal. Mus. Nac. Costa Rica, i, 1887, 121—SHarprr, Suppl. Gould’s Mon. 
Troch., 1885, pl. 7.—Satvin and Gopman, Biol. Centr.-Am., Aves, ii, 1892, 
333.—CaRRIKER, Ann. Carnegie Mus., vi, 1910, (540 (s. w. Costa Rica; crit.; 
habits). 
O[reopyra] cinereicauda Satvin, Proc. Zool. Soc. Lond., 1870, 206 (Costa Rica; 
crit.).—BaNas, Proc. Biol. Soc. Wash., xix, 1906, 107 (Dota Mts.; crit. on 
pp. 105, 106). 
[Oreopyra] cinereicauda ScuatER and Savin, Nom. Av. Neotr., 1873, 80.—Mut- 
sant, Ann. Soc. Linn. Lyon, xxii, 1876, 203.—Smarpsr, Hand-list, ii, 1900,123. 
Ofreopyra] leucaspis cinereicauda Hartert, Das Tierreich, Troch., 1900, 117. 
[Trochilus] cinereicaudus Gray, Hand-list, i, 1869, 138, no. 1770. 
Anthocephala castaneiventris (not Trochilus castaneoventris Gould) LAwRENCE, 
Ann. Lyc. N. Y., ix, 1868, 124, part. 
OREOPYRA HEMILEUCA Salvin. 
WHITE-BELLIED MOUNTAIN GEM. 
Adult male.—Forehead and crown, together with auricular, subor- 
bital, and malar regions, brilliant metallic emerald green; occiput and 
nape duller, more bronzy green, changing to opaque black in position 
a, at least laterally; back, scapulars, wing-coverts, and rump metallic 
bronze-green (more bronzy posteriorly), the upper tail-coverts 
metallic bronze or greenish bronze; tail rather dull metallic bronze or 
greenish bronze, becoming still duller (more grayish) on lateral rec- 
trices, the rectrices (except middle pair) tipped with pale buffy 
grayish and crossed by an indistinct subterminal band of darker 
bronzy or dusky; remiges purplish dusky, the inner secondaries 
glossed with bronze-greenish; edge of wing (metacarpal portion) pale 
cinnamon; a postocular streak of white extending obliquely back- 
ward and downward between the blackish of latero-occipital region 
and emerald green of auricular region; chin metallic emerald green, 
the feathers light gray basally and margined with pale gray or grayish 
white; throat soft metallic light violet-purple or mauve; rest of 
under parts white, spotted laterally, especially on sides of breast, with 
metallic bronze-green, the under tail-coverts pale brownish gray cen- 
trally; bill dull black; iris dark brown; feet grayish brown (in dried 
