SYNOPSIS OF THE TROCH1LID.E. 
181 
Black-breasted Humming-Bird, Lath. Le Haitien, 
Less. Col. xii. Above, golden-green ; throat with an 
emerald-green gorget ; centre of the breast and belly 
black ; vent with a white band ; tail purple-brown, 
with green reflections. Young, with the under parts 
white, from the throat dull black, tail tipped with 
white. Inhabits Guiana, St Domingo. 
3. L. viEiDis — Colibri cyanure. Trochilus viridis, Less. 
Col. xi. Plumage of the body uniform dull emerald- 
green ; tail deep steel-blue. Inhabits Porto-Rico. 
4. L. AURULENTUS, The Aurulent Humming-Bird. Tro- 
chilus aurulentus. Less. Col. xvi. xvii. xviii. xix. 
Aurulent Humming-Bird, Lath. Above, golden- 
green ; throat with a gorget, topaa-yellow ; belly deep 
black ; vent with a white band ; tail brownish-purple, 
with green reflections, in form rather forked. Fe- 
male and young beneath grey \ no gorget, tail round- 
ed, outer feathers tipped with white. Inhabits Por- 
to Rico. 
5. L. HOLOSERICEUS, Grccn Black-bellied Humming-Bird. 
— Trochilus holosericeus. Lath. Green Black-bellied 
Humming-Bird, Edw. xxxvi. LeCaraibe, Less. Col. 
XX. Above, golden-green ; gorget emerald-green ; 
breast with a blue transverse band ; belly deep brown- 
ish-black; tail steel-blue. Inhabits St Thomas, 
and Porto Rico. 
Pl. XXIV. XXV. VoL. II. — fJ. L. PELLA, Topaz-throated 
Humming-Bird. — Linn., Shaw, Lath. Le Colibri 
topaz, Less. Col. i. iii. iv. v. Plumage rich brown- 
ish-orange, varied with lake-coloured reflections ; 
gorget emerald green, varying to topaz-yellow, sur- 
rounded by a shade of black ; tail-chestnut. Female 
bright green, the gorget brown. Inhabits Guiana. 
Pl. XXX. VoL. I. — 7- L. mellivorus. White-collared 
Humming-Bird. — Edw. xxxv. Lath. Le Jacobine, 
Buff. Less. O. M. xxi. xxii. Head, throat, and gorget 
deep brilliant blue ; the under parts, and a collar 
round the back, pure white *, upper parts and sides 
green ; tail pure white, with a narrow band of white 
at the tip. Female, above green, beneath greyish- 
