564 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
del Rio Peripa, w. Ecuadér).—OszEruotser, Proc. U. S. Nat. Mus., xxiv, 
1902, 339 (Santo Domingo, w. Ecuadér; crit.)—Banas, Proc. New Engl. 
Zool. Club, iii, 1902, 31 (Boquete and Volcan de Chiriquf, 4,500-7,000 it., 
Panam4); Bull. Mus. Comp. Zool., xxxix, 1903, 144 (Céiba and Yaruca, 
Honduras).—Carriker, Ann. Carnegie Mus., vi, 1910, 543 (lowlands of - 
Costa Rica, up to 4,000 ft.)—Frrry, Pub. 146, Field Mus. N. H., orn. ser., 
i, no. 6, 1910, 263 (Guayabo, Costa Rica). 
H[eliothrix] barroti Capanis and Herne, Mus. Hein., iii, 1860, 28, footnote 
(Colombia; Ecuadér; Verdégua).—Herne, Journ. fir Orn., 1863, 183.— 
Hartert, Das Tierreich, Troch., 1900, 187. 
[Heliothriz] barrotii ReicuenBacu, Aufz. der Colibr., 1854, 18; Troch. Enum., 
1855, 11. 
Heliothrix purpureiceps Goutp, Proc. Zool. Soc. Lond., 1855, 87 (Popaydn, 
Colombia; coll. J. Gould); Mon. Troch., iv, 1861, pl. 216.—ScuaTER, Proc. 
Zool. Soc. Lond., 1860, 296 (Esmeraldas, w. Ecuador). 
Hleliothriz] purpureiceps CaBANIS and He1ng, Mus. Hein., iii, 1860, 28, footnote. 
[Heliothriz barroti] var. purpureiceps Mutsant, Ann. Soc. Linn. Lyon, n. s., 
xxii, 1876, 214. 
Heliothriz violifrons Goutp, Introd. Troch., oct. ed., 1861, 122 (‘‘Cartagena”= 
Verégua, Panam; coll. J. Gould; eitas Mon. Tock, ., iv, pl. 217.)—Satvin. 
Proc. Zool. Soc. Lond., 1870, 210.—Boucarp, The Hum. Bird, ii, 1892, 86 
(Ver4gua); Gen. Hum. Bide, 1895, 314 (Ver4gua; Panamé). 
[Heliothryz] violifrons Gray, Hand-list, i, 1869, 153, no. 1979. 
[Heliothriz barrott] var. violifrons Muusant, Ann. Soc. Linn. Lyon, n. 8., xxii, 
1876, 214. 
Heliothrizx barrott alincius OBERHOLSER, Proc. U. 8. Nat. Mus., xxiv, no. 1258, 
Jan. 18, 1902, 339, in text (Chocttim, Guatemala; coll. U. 8. Nat. Mus.). 
Genus EUGENES Gould. 
Eugenes © Gouup, Mon. Troch., pt. xii, Sept., 1856, text to pl. 59; Introd. Troch., 
oct. ed., 1861, 57. (Type, Trochilus fulgens Swainson.) 
Large Trochilide (length about 120-130 mm.) with bill much longer 
than head, straight, terete; culmen rounded but basally contracted 
into a narrow ridge; tomia smooth; mandible with a lateral median 
groove. Nasal operculum nude, but hidden (except extreme edge) 
by dense oppressed frontal feathers, which extend considerably 
beyond its anterior end, forming a short angle or antia on each side 
of culmen. Tarsus feathered in front, except for lower portion; 
outer toe slightly shorter than middle ice. the inner still (but very 
slightly) shorter. Wing about three times as long as exposed culmen 
in adult males, relatively much shorter > (sometimes only twice as 
long) in females, the outermost primary longest. Tail a little more 
than half (in females) to three-fifths (in adult males) as long as 
wing, deeply emarginate in adult males, faintly emarginate or double- 
rounded in females, the rectrices moderately broad, with rounded tip. 
Coloration.—Back, etc., metallic green or bronze-green; a small 
white postocular spot; tail bronzy. Adult male with forehead and 
@ Eéyevijc, nobilis. (Gould.) b Owing to greater length of the bill in females. 
