18] 
WHITE-EARED HUMMING-BIRD. 
Trochilus leucotis. — Vieillot. 
Plate XXIX. 
Trochilus leucotis, Vieillot 1 Vouvelle Dictionnaire THistoire 
Naturelle Oiscau-mouche Arscnne, Omismva Arsennii, 
Lesson, Histoire Naturelle des Oiseaux-mvuches, pi. ix. 
p. 60. 
Vieillot has described this species, in the New 
Dictionary of Natural History, under the title of 
“ Oiseau-mouclie a oreilles blanches,” ( Trochilus leu- 
cotis ;) while Lesson has figured, and dedicated it, in 
his Synopsis, to M. Arsenne, a rising French artist. 
The latter name we have rejected, for obvious reasons. 
The head is of a brownish violet colour, which is 
insensibly shaded into the golden green which covers 
the whole upper parts, and even the quills. A tinge 
of azure blue shines upon the forehead, and is still 
more brilliant on the cheeks and throat, and a gorget 
of the clearest verdigris green covers the breast. A 
spot of pure white arises behind each eye, and forms 
a line of that colour above the auricular feathers ; 
whence its name. The belly and flanks are grayish 
green ; the vent and under tail-coverts pure white ; 
