174 SYNOPSIS OF THE TR0CH1LID.E, 
Pl. XXIII. VoL. I.— 25. C. FURCATUS, Violet Fork-tailed 
Humming-Bird. — L’Oiseau-mouche a queue four- 
chue, Buff. Trochilus furcatus, Gmel. Less, xviii. 
Plumage of a deep violet-black, with lighter reflec- 
tions ; gorget, reaching to the upper part of the breast, 
bright emerald-green ; tail «ample, deeply forked. 
Inhabits Brazil, Guiana, Jamaica. 
26. C. ERVTHROXOT 17 S, Crimson-Rumpcd Humming- 
Bird.— L’Erythronote, Less. Col. xi. Head, breast, 
and belly, bright emerald-green ; lower part of the 
back, rump and upper tail-coverts, crimson-red ; tail 
forked, of an indigo-blue on both sides. Inhabits 
Brazil. 
27. C. ^Iaugerii, The Ourissa. — Trochilus Maugerii, 
VieilL Oiseau-mouche Mauge, Less. O. M. Ixvii. Ixix. 
Deep blackish-green above, the reflections brilliant ; 
forehead and throat emerald-green ; breast banded 
with rich blue: vent greyish ; tail deeply forked, steel- 
blue. Female of duller plumage ; lower parts grey ; 
tail nearly square, centre feathers green, tipped with 
white, others nearly brown. luhabits Porto Rico. 
28. C. CVANOQENYS, Neuwiod’s Humming-Bird. — Oiseau- 
mouche Wied, Less. O. M. Supp. xxvi. Above 
golden-green; chin blue; breast and belly emerald- 
green ; vent white ; tail square, deep and bright 
steel-blue* Inhabits Brazil. 
29. C. Atala, The Atala. — L’Atala, Less. Troch. xlii. 
Plumage of the head and body clear emerald-green, 
the vent and under tail-coverts white ; tail square, of 
a deep and bright steel-blue. Inhabits Brazil. 
The two last are very closely allied, the distinctions will be 
seen in the characters given to the lower parts; they vary 
from the character in the square form of the tail. 
Pl. I. II. VoL. II. — 30. C. THALASSiNtrs, Blue-bellied Saw- 
billed Humming-Bird — T. thalassinus, Phil. Mag. 
L’Anais, Less. Troch. Iv, Ivi. Ivii. ; Sup. iii. Gene- 
ral colour emerald-green, with golden and steel-blue 
reflections ; gorget extends upon the side of the neck 
