161 



VIEILLOrS HUMMING-BIRD/ 



Trochilus chalybeus VIEILLOT. 



PLATE XVIII. 



Trochilus chalybeus, Vieillot; Temminck, Planches Colorices, 

 ix. fig. 2. Oiseau-mouche Vieillot, Ornismya Vieillotii, Let. 

 son, Histoire Naturelle des Oiseaux-mouches, pi. Ixiv. p. 186. 



THIS elegant humming-bird was first described by 

 M. Vieillot in 1823 ; Temminck gave a very good 

 representation of it in his PL Coloriees, and it has 

 recently been figured in the splendid publication of 

 M. Lesson, who has dedicated it to Vieillot, an 

 eminent and laborious ornithologist. We have pre- 

 ferred retaining the name given by its discoverer. 



It is about three inches in length, and of a light 

 and graceful form ; the sides of the neck are adorned 

 with two bundles of green lengthened fan-shaped 

 feathers, having a round white spot at the extremity 

 of each. The forehead and cheeks are brilliant green, 

 and a line of black runs from the bill to the occiput ; 

 the back and upper parts of the body are green, with 

 yellowish reflections ; the sides and forepart of the 



