Genera of Humming Birds, 41 



Habitat. —Brazil. 



Male. — Crown throat and breast glittering metallic grass- 

 green, bounded beneath by a line of fiery-red, Upperside 

 golden-green, with a white band crossing the rump. Uppertail- 

 coverts bronzy-green. Lower part of breast and centre of abdo- 

 men black. Flanks and rest of underside greenish-bronze washed 

 witli gray. Median rectrices steel-blue with white shafts, 

 lateral steel-blue at base then brownish-gray, with the points 

 slightly darker. Wings purple-brown. Bill black. 



Total length, 5-in. Wing, 1^. Tail, 3. Culmen, i. 



Female. — Upperside golden-green, darker on head. Kump 

 crossed by a white band. Chin and centre of throat black 

 spotted white, a white line from the bill to the throat. Throat 

 whitish spotted with metallic-green, l^ower part of breast and 

 centre of abdomen black, rest of abdomen white. Flanks golden- 

 green washed with white. Median rectrices steel-blue tipped 

 with gray, lateral bronze, with a subterminal bluish-black bar 

 and gray tips. 



Total length, 4^-in. Wing, U. Tail, 2f . Culmen, i. 



This very fine species was dedicated to Bnron de Langsdorfif 

 by Vieillot. 



58. GrOULDiA MELANOSTERNUM, Grould. Ann. and Mag. Nat. 



Hist., 1868, p. 323. 



Black bellied Thorn-tail. 



Le Prymnacanthe a ventre noir. 



Habitat. — Ecuador and Peru. 



Male. — This species is only distinguishable from the preceding 

 by all the top of head, which is metallic grass-green, and 

 the line under the breast, which is golden instead of fiery 

 red. 



The specimens which I have of this rare species were 

 collected by Messrs. Hauxwell in Peru, and Buckley in 

 Ecuador. 



59. GOULDIA POPELAiREi, Du. Bus. Esquiss. Ornith., 1845, 



p. 6. 



Mellisuga jpopelairei, Gray, Gen. of Birds, vol. i., p. 1 13. 



Popelairia tricholopha, Reich. Aufz. der Col., 1853, p. 12. 



Prymnacantha jpopelairei, Cab. and Hein. Mus. Hein., 1860, 

 t. iii., p. 64. 



