GENEBA AND SPECIES. 147 



scythe-like the first three or four quill-feathers 

 having, in the males, the shafts singularly di- 

 lated. The tail is ample, with the outer feathers 

 largely tipped with white, or greyish white. The 

 feet are small. As a rule, the gorget is iri- 

 descent steel blue ; the back green. The 

 females are plain and dull. Bill arched at the 

 apex. 



As a type of this genus, we refer to the Blue- 

 throated Sabre- wing, or Campylopterus latipennis 

 of Swainson, described and figured in the Nat. 

 Lib. Ornith. vol. i. p. 146. It is a native of 

 Tobago. Nine species besides are known, of 

 which one is undescribed. Prom these we select 

 Campylopterus obscurus, Gould, in Proc. Zool. 

 Soc. 1848, by way of example. 



In this species the crown of the head, all the 

 upper surface, and the four middle tail-feathers 

 are green ; the throat and under surface dark 

 grey ; the flanks and under tail-coverts washed 

 with green; the three lateral tail-feathers on 

 each side are black, the two outer ones being 

 tipped with grey. Length 5 inches; bill, li; 

 tail, 2. 



Locality : the borders of the Amazon, Brazil, 

 tn Gould's cabinet. 



Another fine species is the Campylopterus 

 Vieillot. In this bird the head and 

 upper parts are green; the throat and chest 

 ilazuline blue, passing into green on the sides. 

 Tail chestnut, tipped with black ; the shafts of 



