Genera of HiiniDiing Birds. 233 



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



Av., 1838, p. 31. 



Lamporfi/s amcthysticollis, Tsch. Faun. Peru, 1844, p. 246. 



Mellisiiga amet/iysticollis, Gray, Gen. Birds, vol. i., p. 112. 



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

 p. 12. 



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



I' Heliangele a cou d'a?nethyste, Muls., Hist. Nat. Ois. Mou., 

 1876, t. iii., p. gi. 



l^ Heliangele a gorge amethyste. 



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 Youjio- Male. — Less brilliant than the male. 

 Throat deep buff, mottled w^ith 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 mavors, Gray, Gen. Birds, vol. iii., p. 5. 



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



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



r Heliangele de Mars, Muls., Hist. Nat. Ois. Mou., 1876, 

 vol. iii., p. 92. 



Habitat. — Venezuela, and Colombia. 



Male. — Spot on forehead metallic iiery-red. LTpperside 

 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 



