GENERA AND SPECIES. 143 



Tr. Barroti, with this exception, that the throat 

 is golden-green. 



We here pass to the genus DELATTEIA of 

 Bonaparte. 



DELATTEIA, Bonap. 



In this genus the beak is nearly straight, or 

 quite so; the tail is ample and nearly square; the 

 wings powerful and falciform ; the gorget exten- 

 sive and lustrous. This genus contains four 

 species, of which we have only examined one. 



Trochilus fulgens of Swainson, (Ornismya Ri 

 voli, Less.) described in the Naturalist's Library, 

 Ornithology, as the Duke of Bivoli's Humming- 

 bird, vol. ii. p. 96, c. figura, pi. 18. It is a na- 

 tive of Mexico. In Grould's cabinet. 



Genus HELIODOXA, Grould in Proc. Zool. Soc. 

 1849. 



(Leadeatera, Bonap.) 



in this genus, remarkable for the splendour 

 of its species, the bill is straight, or slightly 

 curved downwards, and of moderate length. The 

 nostrils are covered by an operculum. The 

 wings are pointed, rigid, of moderate size, and 

 well adapted for sustaining flight. The tail is 

 of moderate size, and considerably forked. The 

 feet are moderate, with the outer toe shorter 

 than the inner. The tarsi are clothed with fine 

 feathers. 



The type of this genus (some of the species 

 of which are thrown by the Prince of Canino 



