117 
WHITE-STRIPED HUMMING-BIRD. 
Trochilm mesoleucut Temminck. 
Plate XVII. 
Oueau-mouche mediastin, Trocliilus mesoleucus, Tem- 
minck, Planches Coloriees, 317. Male, Female, and 
Young. — Lesson. Histoire Naturelle des Oiseaux- 
mouches, and Troehilideis, pi. xxix. xxx. and xlv. 
This curiously marked species was. first described 
by M. Temminck, and figured in the Planches Co- 
loriees. It is of considerable size and strength, and 
is remarkable for the narrow stripe of white which 
iTins from the throat along the centre of the belly. 
The length is about four inches and a half, the bill 
perfectly straight and proportionally long ; the plumes 
on the head are of a rich glaucous blue, and of the form 
of scales, the auriculars are brown, bordered below 
with a narrow line of white ; the whole throat and 
neck is covered with scaly feathers of a rich ame- 
thystine tint, which lengthen upon each side, and 
stretch upon the neck in narrow points. From the 
centre of this patch is a pure white narrow line, w'hicb 
reaches to the tail-coverts of the same colour. The 
sides, as well as the back, are of a dull golden gi'een, 
assuming a brighter tint on the upper parts. The 
