168 
SYNOPSIS OF THE TROCHILIDiE. 
throat and breast brilliant yellowish-green, with a 
silvery lustre ; tail wedge-shaped, green at the base, 
gradually shading into pure white. Inhabits the 
island of Trinite. 
27. T. TEPHBOCEPHALUS?— 0. M. Ix. Crown grey; 
upper parts, throat, and breast, green *, belly and vent 
greyish- white ; tail blackish-green, the outer feathers 
tipped with white. Inhabits Brazil. 
Described from Lesson apparently in immature plumage. 
28. T. ALBIC0LLI8? — Less. O. M. Ixiii. Entirely green, 
except a patch on the breast and vent white \ tail 
steel-blue, all the feathers, except those in the cen- 
tre, tipped with white. Inhabits Brazil. 
29. T. viiuDissiMA? — Vieill. Ois. Bor, 42. Less. 0. M. 
Ixxv. upper parts golden-green; throat and breast 
green mixed with white ; belly and vent greyish. In- 
habits Brazil. 
Numbers 27. and 20. are described from Lesson. 
pL. II. VoL. I 30. T. AVOCETTA, Avocet-bUIed Humming- 
Bird. — L'Oiseau-mouche avocette, Less. O. M. xxiv. 
Golden-green above ; throat green, forming a gorget ; 
belly dull black ; a line of white along each side of 
the body ; tail steel-blue, square. Inhabits Guiana. 
pL. HI. VoL. I. — 31. T. RECURVIROSTRI8, Recurved-billed 
Humming-Bird— •y«?ain. Zool. lUust. 1st series, cv. 
Oiseau-mouclie a bee recourbd, Less. O. M. xxxvii. 
Plumage brilliant green ; the throat with a gorget of 
emerald green, occupying the breast ; centre of the 
belly with a dark streak ; tail chestnut. Young with 
the belly and vent white ; bill serrated. Inhabits 
Guiana. 
■We have placed these two birds last in the Sub-family Trochi- 
lus; from the curious form of the bill they will not answer 
any of the general characters. Lesson makes a separate race 
** Lm avosettes" founded upon the turned up bilL 
