Genera of Humming Birds. 233 



331. HelianGELUS AMETHYSTICOLLIS, d'Orb and Lafr., Syn. 



Av., 1838, p. 31. 



Lamporms amethysticollis, Tsch. Faun. Peru, 1844, p. 246. 



Mellisiiga amethysticollis, Gray, Gen. Birds, vol. i., p. 112. 



Anactoria amethysticollis, Reich., Aufz. der Colib., 1853, 

 p. 12. 



A7nethystine Sun-Angel, Gould, Mon. Troch., vol. iv., p. 245. 



r Héliangèle à cou d'améthyste, Muls., Hist. Nat. Ois. Mou., 

 1876, t. iii., p. 91. 



r Héliangèle à gorge améthyste. 



Habitat. — Peru and Bolivia. 



Male. — Spot on forehead metallic dark green. Upperside 

 shining green, golden on rump and uppertail-coverts. Median 

 rectrices bronze-green, laterals bronzy-black. Chin bluish- 

 black. Throat metallic amethyst, beneath which is a broad 

 band buff. Lower part of breast and flanks golden-green. 

 Abdomen buff, mottled with green. Undertail-coverts pale 

 bronze in centre, margined with grayish white. Wings 

 purplish-brown. Bill black. 



Total length, 4|in. Wing, 2f . Tail, 2. Culmen, f. 



Female, or Youncr Male. — Less brilliant than the male. 

 Throat deep buff, mottled with brownish black. 



This very rare species was discovered in Bolivia, by Mr. 

 Alcide d'Orbigny. I have only one specimen from Peru, and 

 one female or young male, collected in Bolivia, by Buckley. 



332. HELIANGELUS MAYORS, Gould, P.Z.S., 1848, p. 12. 



Mellisuga Tnavors, Gray, Gen. Birds, vol. iii., p. 5. 



Trochilus mavors, Reich., Aufz. der Colib., 1853, p. 12. 



Mars Sun Angel, Gould, Mon. Troch., vol. iv., p. 246. 



V Héliangèle de Mars, Muls., Hist. Nat. Ois. Mou., 1876, 

 vol. iii., p. 92. 



Habitat. — Venezuela, and Colombia. 



Male. — Spot on forehead metallic fiery-red. Upperside 

 shining green, very dark on head, appearing black in certain 

 lights. Uppertail-coverts golden-green. Median rectrices 

 shining bronzy-green, laterals bronzy-green, dark on inner 

 webs, outermost ones, bronzy-brown with a buffy-white spot on 



