230 Genera of Hitniniing Birds. 



green ; under parts purplish-black ; spot of white on the 



flanks; undertail-coverts chestnut. Bill black. 



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



" Elliot's Synopsis of the Humming Birds, p. 41." 



Type "Ex. Elliot's Collection" in the American Museum of 



Natural History, New York. 



453. LampORNIS GRAMINEUS, Gmel., Syst., Nat., 1788, vol. 



i., p. 488. 



Trochihis maculatus, Gmel., Syst., Nat., 1788, vol. i., p. 

 488. 



TrocJiilus pcctoralis, Lath., Ind. Ornith., 1790, vol. i., p. 

 306. 



Trochihis giilaris, Lath., Ind. Ornith., vol. i., p. 563. 



Trocliilus luarinoratits, Vieill., Encycl., Meth., p. 567. 



Trochihts pectoralis, Viell., Ois. Dores, pi. g. 



PolytmiLS donn)iicus, Gray, Gen. Birds, vol. i., p. 108. 



Green-throated Mango, Gould, Mon.Troch., vol. ii., p. 77. 



le Lampornis a cravate verte, Muls., Hist. Nat. Ois. Mou., 

 1874, vol. i., p. 149. 



Habitat.- — Guiana, Trinidad, Venezuela. 



Male. — Head and neck shining green, remainder of upper 

 plumage golden-green. Uppertail-coverts bright reddish 

 golden-green. Median rectrices dark brown with bluish- 

 black reflections. Laterals purple or purple-green, margined 

 and tipped with shining steel-blue. Throat brilliant metallic 

 grass-green. Centre of breast and abdomen black. Flanks 

 golden-green or shining green. Undertail-coverts purplish- 

 green. Vent and spot on each side of flanks white. Wings 

 purplish-brown. Bill black. 



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



Female. — Upperside golden-green. Underside white with 

 the central portion of throat and breast greenish-black. Sides 

 of breast and flanks golden-green. Median rectrices bronzy- 

 green. Laterals chestnut with purple gloss, a subterminal 

 bluish-black bar, and white tips. 



Young Male. — Like the male with the sides of the throat 

 chestnut or white with a margin of chestnut. Centre of 



