158 



SYNOPSIS OF THE HUMMING-BIRDS. 



Genus LXXXT.— RHAMPHOMICRON. 



Type, 

 0. micrm-hynclia, Boiss. 



Ramphomicron, Bon., Compt. Rend., p. 382 (1850). 

 Chalcostigma, Reiph., Aufz. der Colib. (1853), p. 12. 

 Lampropogon, Bon., Rev. and Mag. Zool. (1854), p. 252. 

 Eupogonus, Mols. and Verr., Class. Troch. (1865), p. 73. 



0. heleropogon, Boiss. 

 0. heleropogon, Boiss. 

 T. herrani, Delatt. and Bourc. 



Fig. 89. 



ShamjihomicTon micTofhynclium. $. 2-16o0. ".Andes." 



Ch. Bill shorter than the head, straight, 

 rather stout. Feathers of lower part of throat 

 lengthened, and hanging in a tuft. Wings 

 long, ample. Tail broad, forked, in one 

 species only slightly so when closed. 



Range. Columbia, Ecuador, Peru, and 

 Bolivia. 



I recognize six species belonging to this genus. They are birds of rather large 

 size, without crests, but having pendant " beards" of metallic feathers of various 

 colors. They constitute a well-marked group of this Family and terminate the 

 section to Avhich they belong. 



Key to the species. 



A. Throat green, terminating: in lengthened purplish-red feathers. 



a. General plumage dull olive-brown. 



b. General plumage greenish-bronze. Tail bronzy-brown, 

 e. Upper surface bronzy-green ; rump bronzy-rufous. Tail purplish- 

 black, lateral ones tipped with white. 



d. Upper surface bluish-violet ; beneath sooty-brown, Tail blui-sh- 

 green. 



B. Throat and beard-like appendage metallic-green. 



a. Top of head rufou.s-chestnut. Tail bronze. 



b. Ucad and upper parts shining purple. Tail velvety-black. 



1. B. oUvaceus. 



2. E. heteropogon. 



3. H. herrani. 



4. R. slanleyi. 



5. R. rufweps. 



6. R. viicrorhyncha. 



1. Rhamphomicron olivaceus. 



Rhamphomicron olivaceus, Lawr., Ann. N. Y. Lye. Nat. Hist. (18CT), p. 44. — Taczanow., P. Z. S. (1874), p. 

 544.— Mols., Hist. Nat. Ois. Moiich., torn, iii, p. 170 (1876). 



Ifith. Junin and Maraynioc, Peru (Jelski), Bolivia. 



Upper surface and tail dull olive-green. Wings light purplish-brown. Chin and 

 upper part of throat metallic-green, ending in a bunch of elongated feathers, metallic- 

 crimson terminating in violet-purple. Under surface brownish-olive. Vent grayish- 

 white. Under tail coverts olive-green, the feathers margined with pale rufous. 

 Bill and feet black. Total length, SJ in. Wing, 3f in. Tail, 2| in. Culmen, 

 ■J'g in. There does not seem to be any difference in the plumage of the sexes. 



2. Rhamphomicron heteropogon. 



Ornismya heteropogon, Boiss., Rev. Zool. (1839), p. 355.— Id., Mag. Zool. (1840), pi. 12 (Ois.). 



Trochilus coriiscus, Fras,, P. Z. S. (1840), p. 15 



Mdlisuga heleropogon. Gray, Gen. Birds, vol. i, p. 112, sp. 28. 



