316 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
dd. Rump and upper tail-coverts bluish green, the back less bronzy; general 
coloration darker. (Colombia; Ecuadér?; Peru?) 
Pheethornis guyi emiliz (extralimital).¢ 
cc. Rump and upper tail-coverts decidedly blue (greenish blue); adult males 
with under parts mostly metallic green. (Costa Rica and Panama.) 
Phethornis guyi coruscus (p. 317). 
bb. Under parts neither slate-gray nor metallic; upper parts dull greenish or bronzy, 
much broken by buffy margins to feathers; upper tail-coverts mostly greenish 
bronze or buffy. 
c. Upper tail-coverts buffy or tawny, barred with dusky or dark bronzy; under 
parts mostly buffy. (Phethornis longirostris.) 
d, Lateral rectrices margined terminally with buff. 
e. Under parts less strongly buffy, the median throat-stripe narrower. 
jf. Under parts paler (especially sides of throat), not distinctly if at all 
barred. (Guatemala to northern Honduras.) 
Pheethornis longirostris longirostris (p. 319). 
ff. Under parts darker (especially sides of throat), more or less distinctly 
barred with darker. (Southern Honduras to Panamé.) . 
Pheethornis longirostris cephalus (p. 321). 
dd. Lateral rectrices margined terminally with white. 
e. Paler and smaller (adult male, wing 60-65.5, tail 65-70, culmen 39-42.5). 
(Southeastern Mexico.)..Phcethornis longirostris versecrucis (p. 323). 
ee. Darker and larger (adult male, wing 67-69.5, tail 83-87, culmen 45.5-47). 
(Southwestern Mexico.)...Phcethornis longirostris mexicanus (p. 323). 
ce. Upper tail-coverts bronze-green margined with buffy; under parts dull grayish 
white, slightly if at all tinged with buffy. (Phothornis anthophilus.) 
d. Green of upper parts paler and more bronzy; upper tail-coverts more broadly 
margined with buffy; under parts slightly buffy. (Colombia and Vene- 
guela.)..-....-.---- Pheethornis anthophilus anthophilus (extralimital).6 
dd. Green of upper parts deeper and less bronzy, the upper tail-coverts less 
broadly margined with buffy; under parts more grayish white. (San 
Miguél Island, Bay of Panamé.) 
Pheethornis anthophilus hyalinus (p. 324). 
aa. Smaller (wing less than 45 mm.). (Pygmornis.) 
b. Chin and throat not streaked; lateral rectrices broadly margined terminally 
with deep cinnamon-buff or ochraceous-buff. (Phethornis adolphi.) 
c. Paler, especially the throat and chest, the chin not dusky. (Southeastern 
Mexico.)...........------ Pheethornis adolphi adolphi, adult male (p. 324). 
cc. Darker, especially throat and chest, the chin distinctly more dusky. (Guate- 
mala to Panamé4.)..............-- Pheethornis adolphi saturatus (p. 326). 
@ T[rochilus] emiliz Bourcier and Mulsant, Ann. Sci. Phys. et Nat. Lyon, ix, 1846, 
317 (Bogoté, Colombia).—[Phaéthornis] emilix Bonaparte, Consp. Av., i, 1850, 67.— 
Phethornis emiliz Gould, Introd. Troch., oct. ed., 1861, 44; Elliot, Classif. and Synop. 
Troch., 1879, 18, part; Salvin, Cat. Birds Brit. Mus., xvi, 1892, 368, part.— Toxoteuches 
emiliae Heine, Journ. fiir Orn., 1863, 177.—Phaetornis guyi var. emilie Mulsant and 
Verreaux, Classif. Troch., 1866, 17.—Phaéthornis guyt emiliae Berlepsch, Journ. fiir 
Orn., 1887, 314 (Bogot4).—(?) Trochilus apicalis Tschudi, Fauna Peruana, 1845-’46, 
243.—(?) [Phaéthornis] apicalis Bonaparte, Consp. Av., i, 1850, 68.—P[haéthornis] guy 
emilie Hartert, Das Tierreich, Troch., 1900, 19 (monogr.). 
b Trochilus anthophilus Bourcier, Rev. Zool., vi, March, 1843, 71 (Upper Magdalena 
Valley, Colombia; coll. J. Bourcier).—[Phaéthornis] anthophilus Bonaparte, Consp. 
Av., i, 1850, 68.—Phexthornis anthophilus Gould, Mon. Troch., i, 1854, pl. 24; Elliot, 
Classif, and Synop. Troch., 1879, 16; Salvin, Cat. Birds Brit. Mus., xvi, 1892, 275. 
