BIRDS OF NORTH AND MIDDLE AMERICA. 503 
dark metallic grass green on upper tail-coverts; tail dull blue-black; 
remiges dusky purplish brown, the inner secondaries mostly bronze- 
greenish, especially on outer webs; primary coverts dull black, 
faintly glossed with bronze-greenish; suborbital and auricular regions 
dusky bronze-green, the latter margined above by a conspicuous 
postocular streak of white; chin and throat uniform grayish white 
(the feathers dusky gray at extreme base), this whité area with a 
sharply defined convex posterior outline, usually with some of the 
feathers round the margin tipped with metallic phlox purple or 
metallic blue, rarely with chin and throat entirely purple or violet 
superficially ;* chest, sides of neck, and sides of breast bright metallic 
green (varying from emerald to golden), passing into duller and more 
bronzy green on flanks and into brownish gray on abdomen; under 
tail-coverts deep bronzy gray margined with paler gray; anal tufts 
grayish white; bill dull black; iris dark brown; feet grayish brown 
or dusky; length (skins), 99-108 (104); wing, 62-66 (64.3); tail, 
35.5-38 (36.5); culmen, 18.5-21.5 (20.2).? 
Adult female—Above bright metallic green, usually more bronzy 
green anteriorly (sometimes distinctly so) and more bluish green on 
upper tail-coverts; middle rectrices much duller metallic green or 
bronze-green, the other rectrices similar for more than basal half, 
blackish subterminally or (pair next to middle rectrices) terminally, 
the two or three outer pairs rather broadly tipped with pale gray; 
remiges dusky, faintly glossed with violaceous; a blackish area on 
side of head, involving loral and auricular regions (narrowly con- 
nected beneath eye), the auricular portion margined above by a 
broad streak of white or pale buffy extending from posterior angle 
of eye obliquely backward and downward; rictal and malar regions, 
chin, throat, and under parts of body plain tawny-ochraceous, paler 
on lower or median portion of abdomen; femoral tufts white; under 
tail-coverts dull white to pale tawny buff, with central portion pale 
grayish; bill black; iris dark brown; feet brownish or dusky (in 
dried skins); length (skins), 93-102 (96); wing, 56-59.5 (57.6); tail, 
30.5-34 (32.2); culmen, 19.5-23 (21.3).¢ 
Western Panama (Cordillera de Chiriqui; Volcan de Chiriquf; 
Boquete). 
Trochilus (——?) castaneoventris Goutp, Proc. Zool. Soc. Lond., 1850, 163 (Gor- 
dillera de Chiriquf, Panama, 6,000 ft. alt.; coll. J. Gould). 
[Trochilus]? castaneiventris Gray, Hand-list, i, 1869, 142, no. 1831. 
[Metallura] castaneiventris ReicHenpacsa, Aufz. der Colibr., 1854, 8; Troch. 
Enum., 1855, 5. 
Adelomyia? castaneiveniris Goutp, Mon. Troch., vol. iii, 1861 (pt. x, Sept., 1855), 
pl. 203 (Cordillera of Chiriquf, 6,000 ft.). 
@ The feathers white immediately beneath the surface. 
6 Ten specimens. 
¢ Nine specimens. 
