162 



GENEKA AND SPECIES. 



Trochilus (Ayl.) cupreipennis,J$ourcier, Plate V. 

 Top of the head, the back, and shoulders, pale 

 chestnut, washed with sooty black ; middle of 

 the back coppery red ; upper tail- coverts tipped 

 with green ; tail pale chestnut, washed at the tip 

 with sooty black. 



Locality: Columbia. 



Trochilus (Agl.) Pamela, D'Orbigny. Head, 

 chest, upper part of back, and wings, dusky vel- 

 vet black : middle of back, and upper tail-coverts, 

 dazzling bluish- green ; tail fulvous, tinged at 

 the tip with black. The female has only the 

 upper tail-coverts metallic, the tail being duskv. 

 The male has the feathers in the centre of the 

 chest abruptly tipped with white. 



Trochilus (Agl.) caumatonotus, Gould, in Proc. 

 Zool. Soc. 1848. Crown of the head brown ; 

 lores, chest, and under surface, cinnamon-brown; 

 throat crossed by a bar of blackish-brown, with 

 which tint the flanks also are clouded ; from 

 the lower part of the chest springs a tuft of 

 lengthened feathers, which are dark-brown at the 

 base, and buff at the tip ; wings bronzy-olive ; 

 tail cinnamon-brown, except on the upper or ex- 

 posed portion, which is rich bronzy-olive ; back 

 and upper tail-coverts shining purplish-lilac, 

 which colour is only seen when the feathers are 

 looked at in the reverse direction. 



Total length, 4 inches ; bill, i ; tail, If. 



Locality: Peru. 



Mr. Gould remarks that, in this genus, the 



