190 GEXERA AND SPECIES. 



part i. t. 11, and Ornismya (Oxypogon) Lindeni. 

 Parzudakij : see Gould's Monogr. Trochil. part 

 i. 1. 12. 



A third species is the Oxypogon paroirostris, 

 Eraser in Proceeds. Zool. Soe. 1840 ; if indeed 

 it be not the young, as Bonaparte believes, of 

 O. Guerini. Mr. Eraser regarded his specimen 

 either as an immature male or as a female of 

 some undetermined species. Mr. Gould regards 

 it as the immature of 0. Guerini 



Trochilus (Oxypogen) Guerini, Gould. In 

 this species termed Guerin's Helmet-crest, the 

 head and chest of the male is brownish black, 

 with a narrow line of white down the centre, 

 joined on the forehead by two lines of white, 

 which proceed thence along each side of the base 

 of the bill; on the centre of the throat is a 

 similar lengthened tuft of white feathers, down 

 the middle of which ia a line of rich shining 

 green ; the black of the head is bounded on the 

 sides and in front by a broad mark of buffy 

 white ; upper surface, wing-coverts, and two 

 central tail feathers, bronzy-green : the latter 

 with the basal two-thirds of their shafts white ; 

 lateral tail feathers, coppery bronze, with a 

 stripe of white down the centre, which increases 

 in extent as the feathers recede from the centre, 

 until on the outer feather it becomes of a broad 

 spatulate and incurved form; wings purplish 

 brown; under surface light olive brown, with 

 bronzy reflexions on the flanks ; under tail- 



