BIEDS OF NORTH AND MIDDLE AMERICA. 489 



Genus LAMPROLAIMA Reichenbach. 



[Ueliodoxa] o. Lamprolaimu Reichenbach, Aufz. der Colib., 1854, 9. (Type, 



Ornismya rhami Lesson.) 

 Lamprolsema (emendation) Gould, Mon. Troch., pt. xi, ]\Iay, 1850, text to 



pi. 61 (voL ii, 1861, text to pL Gl). 

 Laviprolaema C^abanis and Heine, Mas. Heine, iii, March, 1800, 30. 



Large TrochilidjB (length about HO-] 20 mm.) wdtli straiglit bill 

 about as long as head; wing foni' times as long as exposed cidmen; 

 tail nearly two-thirds as long as wing, emarginate; remiges extensively 

 deep cinnamon-i'ufous or chestnut, the adult male with chin and 

 throat rosy purple between lateral areas of velvety black, chest 

 metallic violet-blue, and tail violet-black, the female ^\dth under 

 parts deep brownish gray, glossed with green laterally. 



Bill about as long as head, straight, slender, terete; culmen 

 rounded terminally, narrowly ridged basall}- tomia smooth; mandi- 

 ble with the usual longitudinal groove, but tliis narrow and rather 

 indistinct. Nasal operculum rather narrow, convex and tumid 

 posteriorly, mostly concealed l)y fi'ontal feathering, which extends 

 to or a little beyoiid anterior end of nostrils, forming a very short 

 pomt or antia on each side of culmen. Tarsus rather stout, densely 

 feathered except along posterior side; toes strong, the outer slightly, 

 the inner decidedly, shorter than middle toe, the stout liallux about 

 as long as inner toe. Wing four times as long as exposed culmen, 

 the outermost primary longest. Tail nearly two-thirds as long as 

 wing, deeply emarginate, the rectrices broad, with rounded tip. 



Range. — Mountains of southern Ah\xico and Guatemala. (Mono- 

 typic.) 



LAMPROLAIMA RHAMI (Lesson). 



GARNET-THROATED HUMMING BIRD. 



Adult male. — Above bright metallic green or bronze-green, slightly 

 duller and more decidedly bronzy posteriorly; tail entirely purplish 

 black or very dark violet-purple; remiges and greater wing-coverts 

 deep (dnnamon-rufous or rufous-chestnut, margined terminally wdth 

 purplish dusky, the longer primaries extensively of the latter color 

 terminall}', the inner secondaries partly didl bronze-greenish; a small 

 white postocular spot; loral, auricular, suborbital, and malar regions 

 and sides of lower throat velvety black in ])Osition a, glossed with 

 purplish bronze in position c; chin and throat bright metallic reddish 

 purple or purplish red (varying from solferino to nearly crimson); 

 chest and upper breast rich metallic A'iolet or violet-blue in position 

 a, more decidedly violet in position h, much duller and more greenisli 

 in position c; rest of under paits gra^dsh black or dusky, the breast, 

 sides, and flanks strongly glossed with metallic bronze-green, the 

 abdomen more slaty; under tail-coverts dull blue-black or purplish 



