166 



DOUBLE-CRESTED HUMMING-BIRD. 



Trochilus cornutus NEUWIED. 



PLATE XXI. MALE. 



Trochilus cornutus, Neuwied Voyage au Brtsil. Trochilus bilo- 



phus, Temminck, Planches Coloriees, xviii. fig. 3 Oiseau- 



mouche aux Huppcs <Tor, Ornismya chrysolopha, Lesson, //i- 

 toire Naturelle des Oiseaux-moucfLes, pi. vii. p. 55. 



THE discovery of this most splendid species is due 

 to the Prince Maximilian de Wied-Neuwied, who 

 described it, in his'" Voyage to Brasil," under the 

 name of T. cornutus, and furnished the specimens 

 from which M. Temminck made the drawings for his 

 PL Coloriees. It inhabits the exalted Campos-Geraes 

 of Brasil, near the sources of the river Don Francisco. 



This humming-bird is about four inches in length, 

 of which the tail alone measures nearly the half; the 

 bill and feet are remarkably slender, the former slightly 

 bent, terminating in a very fine point. The most 

 characteristic mark of this species is the two flattened 

 crests, composed of six feathers, which divide in front 

 of the head, on a level with the eyes, and are directed 

 forwards. Lesson, describing them, says, " Ces deu- 



