250 Genera of Iiu?nming Birds. 



352. Threptria AURELIAE, Bourc. and Muls., Ann., SoC; 



Agr., Lyon, 1846, p. 315. 



Hylocharis aiirelioe^ Gray, Gen. Birds, vol. i., p. 114. 



Eriopus aureliae, Bon., Consp.,Gen. Av., 1850, vol. i , p. 80. 



Eriocnemis aureliae^ Reich., Aufz. der Col., 1853, P-9- 



Aurelia's Puff-leg, Gould, Mon. Troch., vol. iv., p. 283. 



I' Eriocnemis d' Aurélie, Muls. Hist., Nat. Ois. Mou., 1876, 

 t. iii., p. 52. 



Habitat. — Columbia. 



Male. — Forehead and back shining green. Head, lower 

 part of back, and uppertail-coverts coppery-bronze. Tail 

 bluish-black, underside metallic bronzy-green. Feathers 

 on the vent fringed with white or pale gray. Tarsal tufts 

 intermixed with pale chestnut and white. Undertail-coverts 

 grass-green. Wings purplish-brown. Bill black. 



Total length, 3fin. Wing, 2|. Tail, i-g. Culmen, -J. 



Ee?nale. — Exactly like the male with more white on vent^ 

 and the undertail-coverts margined with buff. This species is 

 very abundant in Columbia. 



, It was dedicated by Messrs. Mulsant and Bourcier, to Miss 

 Aurélic Favre, who married Mr. Jacques Louis Henon, a cele- 

 brated Naturalist of Lyon. 



353. Threptria russata, Gould, P.Z.S., 1871, p. 505. 

 BuffPuff-leg. 



r Eriocnéfjîis â tarses roux. 



Habitat. — Ecuador. 



This species is closely allied to T. aureliae, but larger. 

 My specimen from Ecuador is more bronzy on back, less 

 shiny on underside with tarsal tufts paler chestnut, and under- 

 tail coverts bronze-green. 



It may be a female or a male not quite adult. 



Total length, 4§in. \A'ing, 2\. Tail, 2. Culmen, |-. 



354. Threptria assimilis, Elliot, Bull, Soc. Zool. France,. 



1876, p. 227. 



Brown-booted Puff-leg, 1886, p. 70. 

 I' Eriocnemis de Bolivie. 



