BIRDS OF NORTH AND MIDDLE AMERICA. 317 



bb. Chin aid upper tliroat streaked with dusky; lateral rectrices more narrowly 

 edged with whitish (sometimes buffy on outermost ones). (PImfhornis strii- 

 gularis.) 

 c. Throat and chest more grayish; sides and flanks paler; outermost rectrices 

 margined terminally with pale buffy or whitish. (Colombia.) 



Phoethornis striigularis striigularis (p. 327). 

 cc. Throat and chest more buffy; sides and flanks darker (nearly cinnamon- 

 rufous); outermost rectrices margined terminally with light cinnamon- 

 rufous or tawny ochraceous. (Western Ecuador.) 



Phoethornis striigularis atrimentalis (extralimital).« 



PHCETHORNIS GUYI CORUSCUS Bangs. 



BANGS' HERMIT. 



Similar to P. g. emilix,^ of Colombia, but much brighter in colora- 

 tion, the green of upper parts more bluish, passing into blue (instead 

 of green or bluish green) on ujiper tail-coverts and base of tail, the 

 fully adult males with under parts mostly metallic bluish green; 

 tail averaging shorter. 



Adult male. — Above bright metallic bluish green, duller on pileum, 

 passing into bright metallic blue or violet-blue on upi)er tail-coverts 

 and basal portion of tail; longer upper tail-coverts with a subter- 

 minal bar of blackish and a narrow terminal bar or margin of pale 

 grayish buffy or dull buffy whitish; terminal half (approximately) 

 of tail ])lack, the contracted terminal portion of elongated middle 

 rectrices pale grayish with whitish tips and shafts; remiges purplish 

 dusky, the inner secondaries glossed with bluish green; under parts 

 mostly bright metallic bluish green, this usually somewhat duller 

 along median line and passing into, or inclining to, dull slate color 

 on lower abdomen, the median portion of chin antl tliroat, more or 

 less distinctly, tawny; under tail-coverts metallic greenish blue, or 

 dusky grayish glossed with greenish blue, centrally, broadly mar- 

 gined with grayish white; indistinct femoral tufts grayish white; 

 maxilla black, mandible pale (reddish or yellowish in life?), with 

 terminal portion dusky; iris dark brown; feet brownish (in dried 

 skins); length (skins), 131-153 (143); wing, 59.5-63.5 (61.5); tail, 

 47-64.5 (42.6); culmen, 41-45 (42.6).'= 



Adult female. — Upper parts as in adult male but upi:»er tail-coverts 

 more broadly tipped or terminally margined with i)ale grayish buffy, 

 feathers of rump also very narrowly margined terminally with the 

 same, and with narrowed portion of middle pair of rectrices much 



o- Phsethornis atrimentalis Lawrence, Ann. Lye. Nat. Hist. N. Y., vi, 1858, 260 (bet. 

 headwaters of Rio Napo and Quito, Ecuador; coll. G. N. Lawrence). — [Phacthorriis] 

 striig[ularis] atrimentalis Simon, Cat. Troch., 1897, 7. — Phoethornis striigularis atri- 

 mentalis Oberholser, Proc. U. S. Nat. Mus., xxiv, no. 1258, Jan. 18, 1902, 313 (Milli- 

 galli, w. Ecuador; crit.). 



b See p. 316. 



c Twenty specimens. 



