Genera of Humming Birds. 365 



anal region are grayish-white. Rectrices narrow and pointed, 

 as in the male. 



This new species was discovered in the Roraima Mountains, 

 British Guiana, by the late Mr. H. Whitely, the well known 

 Collector. 



495. Glaucis AENEA, Lawr., Proceed. Acad. Nat. Scien. 



Phil., 1867, p. 232. 



Glaucis affinis, Lawr., Ann. Lye, N.Y., t iv., p. 261. 



Golden Hermit. 



le Glaucis doré. 



Habitat. — Costa Rica, Panama, Upper Amazons, Colombia, 

 and Ecuador. 



Male. — Upperside shining green, golden in certain lights. 

 Uppertail-coverts shining green edged with gray. Median 

 rectrices shining green, edged with bluish-black near the tips 

 which are white. Laterals reddish-chestnut slightly margined 

 near the tips with bronzy-black, tips white. Outermost ones 

 brownish on outer web and near the tip which is white. Chin 

 dark gray, passing to dark rufous-gray on all the under parts, 

 and washed with dark shining green feathers on the throat, 

 the sides of the neck, and breast, centre of abdomen, and 

 flanks gray, Undertail-coverts pale gray or pale rufous with 

 white edges. Wings purple-brown. Maxilla black. Mandible 

 flesh colour wâth black tip. 



Total length, 5in. Wing, 2\. Tail, i|-. Culmen, i|-. 



Female. — Upperside like the male. Tips on median rec- 

 trices broad and white. Laterals from base to half their 

 length red-chestnut, remainder brownish-black with white tips. 



Total length, 4iin. Wing, 2|-. Tail, i|-. Culmen, i|-. 



I have a fine series of this species which cannot be confused 

 with any of the others in consequence of the dark colouration 

 of its underparts. 



Genus CXLVL Ramphodon, Lesson, Ind., Gen., Ois. 



Genr. Troch, 1832, p. 8. 



Grypus, Spix. Av. Sp., Nov., 1824, p. 79., (name already 

 employed in 1817 for a genus of Colcoptera). 



Type : T. naevius, Dumont. 



