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 white area with a 

 sharply defined convex posterior outline, usually with some of the 

 featliers 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 bronz}' gray margined with paler gray; anal tufts 

 grayish white; bill didl 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, 

 jjlackish subterminally or (pair next to middle rectrices) terminally, 

 the two or three outer ])airs rather broadly tipped with pale gray; 

 remiges (kisky, 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 wdrite or pale bully 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 wliite to pale tawny buff, with central portion pale 

 grayish; Ijill black; iris dark brown; feet brownisli 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 Chiriqul; 

 Bocpiete). 



Trochilus ( ?) castniteoventn's Gould, Proc. Zool. Soc. Lond., 1850, 163 (Cor- 

 dillera de Chiriqui, Panama, 0,000 ft. alt.; coll. J. Gould). 



[Trochilus]'? castandventris Gray, Hand-list, i, 1869, 142, no. 1831. 



[Meiallura] castaneiventris Reichenbach, Aufz. der Colibr., 1854, 8; TrocL. 

 Enum., 1855, 5. 



Adelomyia? castaneiventris GovLD, Mon. Troch., vol. iii, 1861 (pt. x, Sept., 1855), 

 pi. 203 (Cordillera of Chiriqui, 6,000 ft.). 



a The feathers white immediately beneath the surface. 

 b Ten specimens. 

 c Nine specimens. 



