260 GENEUA ANJ SPECIES. 



with green, and largely tipped with white ; bill 

 Mack ; base of the lower mandible paler. 

 Total length, 3| inches ; bill, H ; tail, If. 



Genus BOUECIEBIA, Bonap. In this genus 

 the bill is long and straight ; the head cresteu 

 with metallic feathers ; the forehead blue or 

 black; general plumage dusky; the chest ab- 

 ruptly white either across or at the sides ; mid- 

 dle tail-feathers black, the rest white, except at 

 the tip ; tail ample ; wings long ; foot small ; 

 thighs white. 



In the female the throat is spotted, and tie 

 white of the chest less abrupt. 



The Prince of Canino places under this genus, 

 Tr. Prunelli, Bourc. ; torquatus, Boiss. ; Conradi, 

 Bourc. ; and Wilsoni, Bourc. 



The following descriptions are taken froi 

 specimens in Mr. Gould's cabinet. 



Trochilus Wilsoni. General colour duskj 

 black, with metallic tints on the shoulders, and 

 upper tail-coverts ; chin black ; throat-gorget 

 steely violet ; sides of the chest before the 

 shoulders with a large spot of white ; this is 

 wanting in the female, which has the chest dusky, 

 mingled with white. 



Locality : Nova Granada. In Gould's cabinet. 



Trochilus torquatus. Plate IV. Forehead 

 black, surmounted by a deeply metallic violet, 

 but short crest ; head, throat, upper and under 

 parts dusky black, with green reflexions on the 



