GENEBA AND SPECIES. 211 



for seen in a large collection of Trocliilidae we 

 recognize in them pre-eminence of'parure." 



The bill is short, sharp, straight, and delicate ; 

 the feathers on the sides of the neck are elon- 

 gated into fan- like plumes ; the head is beauti- 

 fully crested ; the tail moderate and rounded. 



Trochilus auratus. Ghn. This superb species 

 is described and figured in the Naturalist's Lib. 

 Ornith. vol. i. p. 112. pi. 15, male ; and p. 114, 

 pi. 16, female. The female is destitute of the 

 full crest and long throat plumes. 



Locality: Guiana, Cayenne, Brazil. In Gould's 

 cabinet. 



Trochilus magnifaus, Vieill. Of this species, 

 a young male and a female are described and 

 figured in the Naturalist's Lib. Ornith. vol. i. 

 p. 119 and p. 121, pis. 10 and 20. The adult 

 male is also fully described at p 113. In 

 Gould's cabinet. 



Trochilus Gouldi, Lesson. Gould's Hum- 

 ming-bird. This most exquisite species is de- 

 scribed in the Naturalist's Lib. Ornith. vol. id. 

 p. 75, pi. 12. Its snow-white throat fans, every 

 feather being tipped with a rounded spot of 

 emerald green, its fiery-brown crest, its scaly 

 gorget of metallic-green, its golden-green upper 

 surface, crossed on the lower part of the back 

 with a white band, its narrow falcated wings, 

 and its diminutive size, combine to throw a 

 charm around it, fixing the gazer by a spell, 

 which he would not willingly break. 



