658 BULiLETIISr 50, UNITED STATES NATIONAL, MUSEUM. 



ORTHORHYNCUS EXILIS EXILIS (Gmelin). 



GILT-CRESTED HUMMING BIRD. 



Similar to 0. e. ornatus, but adult male with crest wholly green or 

 merely tinged with blue terminally, and under parts paler. 



Adult male. — Forehead and whole crown, including much the 

 greater part of occipital crest, very bright metallic green, golden green, 

 or golden, the longer feathers of the crest usually more bluish green, 

 but never distinctly nor abruptly blue; hindneck and sides of head 

 behind eye and beneath crest dark metallic green or bronze-green, 

 appearing nearly black when viewed from in front; back, scapulars, 

 wing-coverts, rump, and upper tail-coverts metallic bronze-green or 

 bronze; tail black, glossed with purplish bronze; remiges dusky, 

 faintly glossed with purplish; loral, suborbital, and auricular regions 

 and under parts of body (including under tail-coverts) very dark 

 sooty grayish,'* becoming paler sooty gray on chin and throat; sides 

 glossed with bronze or bronze-green or mostly of this color; femoral 

 tufts mixed sooty gray and whitish; bill dusky; iris dark brown; 

 feet grayish brown or dusky; length (skins), 73-91 (86.2); wing, 

 46-51.5 (49.6); tail, 26-32 (27.9); exposed culmen, 7.5-10 (8.8).^ 



o In a specimen from Anegada Island approaching sooty black, as in 0. e. ornatus and 

 0. cristatus. 



b Seventy-two specimens. 



