Genera of Humming Birds. 323 



Lainpornis buffoiii, Bon., Consp. Gen. Av., p. 72. 



Acryrtria buffoni, Reich., Troch. Enum., 1855, p. 7. 



Hypuroptila buffoni, Gould, Mon. Troch., vol. ii., p. 89. 



Buffon's Pliimeteer, Gould, Mon. Troch., vol. ii., p. 8g. 



le Chalvbiire de Buffon. 



Habitat. — Colombia. 



Male. — Upperside shining green, bronzy on neck and 

 uppertail-coverts. Median rectrices dark bronze, laterals 

 bluish-black margined with bronze on outer webs, outermost 

 ones bluish-black. Underside metallic emerald-green. Vent 

 and undertail-coverts pure white. Wings purple. Bill black. 



Total length, 4tin. Wing, 2-|. Tail, 2. Culmen, \. 



Female. — Upperside shining green, coppery on uppertail- 

 coverts. Median rectrices bronze with the tips bluish-black, 

 next one, bronze at base with a broad bluish-black tip, third 

 bluish-black with bronze margin on outer webs and white tips, 

 the two outermost ones bluish-black with white tips. Under- 

 side grayish-white, washed with green on sides of breast and 

 flanks. Vent and undertail-coverts white. Wings purple. 

 Bill black. 



Total length, 4in. Wing, 2\. Tail, if. Culmen, i. 



This species was dedicated by Lesson to the eminent 

 Naturalist, Buffon. 



442. Hypuroptila aeneicauda, Lawr., Proceed., Acad. 

 Nat. Scien., Phil., 1865, p. 38. 



Bronzy-tailed Plumeteer. 



le Chalybiire a queue ciiivree. 



Habitat. — ^Venezuela and Colombia. 



. Male. — This species is closely allied to the preceding one ; 

 but can be easily distinguished by the colour of its tail, which 

 has the median rectrices shining bronze, the laterals reddish- 

 bronze on outer web of rectrices, and the colour of the 

 underside, which is more golden. 



Total length, 4fin. Wing, 2^. Tail, 2|. Culmen, i. 



Female. — Has also the median rectrices bright green- 

 bronze, rest like the female of C. buffoni. 



My specimens of this species were collected at Puerto- 

 Cabello, Venezuela, and Valencia, Colombia. 



