172 SYNOPSIS OF THE TROCHILIDiE, 
Pl. X. VoL. II 15. C. Langsdorffii, Langsdorff ’s Hum- 
ming-Bird. — Temm, PI. Col. 66. Le LangsdorfF, Less. 
Col. xvi. and xxvi. Above bright green, crossed by 
a narrow white band on the rump^ gorget bright 
green, succeeded by bands of yellow and reddish- 
orange ; vent and six centre tail-feuthers deep blue ; 
tail deeply forked, exterior feathers acuminated. In- 
habits Brazil. 
16. C. Keinerii, Keiner’s Humming-Bird. Less. Troch. 
Ixv. Above golden green ; throat, neck, and breast, 
pure white, the two latter with round cmerald-green 
spots; belly and vent blackish-grey, under tail- 
coverts chestnut ; tail lengthened, slightly forked, 
bro^vnish-grey, darker at the end, outer feathers tip- 
ped with white. Inhabits BraziL 
Known only from the fi^jurc of Lcason, which was taken from 
a female In possession of M. Prevost of Paris. The tail of 
the male most probably U deeply forked. 
Pl. XXIII. VoL. II — 17. C. srARGANOBUS, Bar-tailed 
Humming-Bird. — Shaw'*s Gen. Zool. \iii. p. 291. Or- 
nismya sapho, Less. 0. M. xxvii. xxviii. Above gol- 
den-green ; gorget covers the throat, breast, and belly ; 
tail with the plumes very broad, deeply forked, gold- 
en reddish-orange, each feather tipped with black, 
giving a barred appearance when the tail is closed. 
Female, above brownish, beneath grey; tail ample, 
forked, but half the length of that of the male, brown- 
ish-red; outer web of outside feathers yeUowish- 
white. Inhabits interior of Brazil. 
18. C. Kuna, The Kuna Humming-Bird La Nouna- 
Kaoli, Less. Col. xxxv. Above, bright golden green ; 
beneath white, plumes with a round spot of emerald- 
green at the tip of each ; tail deeply forked, feathers 
broad, steel-blue at the base,green at the tips, outer 
edged with white. Inhabits Peru. 
19. C. RUBiNEUS, Ruby - throated Humming-Bird.— 
Linn., Lath. Oiscau mouche rubis, Lm. Col. xliv., 
xlv. and xlvi. Plumage of a deep uniform golden- 
green, brighter on the breast ; gorget of a rich ruby 
tint, with golden reflections ; tail cinnamon-red, with 
