SYNOPSIS OF THE TROCHILID^. 
163 
by a dark line of the general tint of the body ; gorget 
bright emerald-green, spreading upon the side of the 
neck; tail very ample, nearly square. Inhabits 
Mexico. 
Pl. XXV. VoL. I 6. T. CoBA, the Cora Humming-Bird. 
— Orthorhynchus Cora, Less. Zool. de La Coq. xixi. 
fig. 4. Above and on the flanks brilliant-green ; 
gorget of amethystine-red, lower parts pure-white ; 
tail very long, with the centre feathers much exceed- 
ing the others. Inhabits the elevated country be- 
tween Callao and Lima. 
Pl. XXI. XXII. VoL. I 7. T. COBNUTOS, Double-crested 
Humming-Bird. — Neuw. Voy.au Bris. Trochilusbi- 
lophus, Temm. xviii. Ornismya chrysolopha. Less. 
O. M. vii. Back and shoulders golden-green ; fore- 
head and gorget, the latter finishing in a point, bright 
bluish-purple, incliningmore to blue on the forehead, 
above the eyes two crests of brilliant golden-orange ; 
under parts pure white; tail very long, feathers near- 
ly equally graduated. Female wants the crest. In- 
habits the exalted Campos-Geraes at the sources of 
the river Don Francisco. 
8. T. AUBiTus, Violet-eared Humming-Bird. — Vieill. 
Ois. Dor. 25. and 26. Violet-eared Humming-Bird, 
Lath. L'Oiseaux-mouche 4 oreUles d’asur. Less. O. 
M. X. and xi. Above brilh'ant green, beneath pure 
white,’ vent greenish ; behind the ears a tuft of round 
violet-coloured feathers, somewhat elongated ; a line 
ftom the rictus beneath the eyes black ; tail wedge- 
shaped, the four centre feathers blackish-green, the 
others white. Female without the tufts, under parts 
tinged with grey. Inhabits Guiana’and Brazil. 
Pl. XIII. VoL. I. Pl. XV. Voi. II.— 9. T. petasophobus, 
Violet-tufted Humming-Bird. — Neuw. Temm. Pl. 
Color, cciii. fig. 3. Oiseaux-mouche petasophore. 
Less. O. M. xiii. and lix. Plumage bright-green, 
palest on the vent ; under tail-coverts pure white ; 
throat with scaly-formed steel-blue feathers ; elon- 
gated tuft behind the ears rich violet, changing from 
nearly orange-red to blue ; tail even. Female bril- 
