144 GENERA AND SPECIES. 



into the genus Heliomaster) is the Heliodoxa 

 Jacula of Grould. In the male, the crown of the 

 head, the breast, and abdomen are of a resplen- 

 dent metallic-green ; in the centre of the throat 

 a crescentic mark of metallic-blue ; back of the 

 neck, back, and upper wing-coverts bronzy- 

 green; under wing-coverts and flanks grass- 

 green; wings purplish-brown; upper tail-coverts 

 purplish-brown, with green reflexions; under 

 tail-coverts dark-brown, also with green reflex- 

 ions. Tail considerably forked, and of a bluish 

 black ; thighs and tarsi white ; feet blackish- 

 brown ; bill black. 



Total .ength 5 mches ; bill, 1^ ; tail, 2f . 



In tKe female, the crown of the head and the 

 upper surface are green ; the throat is shining 

 metallic -green, the white bases of the feathers 

 she wing through, and giving the throat a speckled 

 appearance ; the tail is bluish-black tipped with 

 white. In some specimens the lores are buff, 

 and a line of the same hue extends beneath the 

 eye; thighs white; under tail-coverts dull-green; 

 bill black. 



Locality : Santa Fe de Bogota. In Gould's 

 cabinet'. 



It is probable that the Trochilus rulineus of 

 Latham (Nat. Libr. Ornith. vol. ii. p. 65, erro- 

 neously called the Euby-throated Humming- 

 bird), and the Tr. rubinoides of Bourcier (Ann. 

 Sc. Lyons, 1846), will be added to this genus ; 

 the Prince of Canino arranges them under his 

 genus Heliomaster. 



