212 



SYNOPSIS OF THE HUMMING-BIRDS. 



plumage, which is mainly metallic-green and white ; and also in having the secon- 

 daries chestnut. The sexes are very different in their appearance. 



Genus CVII.— EUPHERUSA. 



Eupherusa, Gould, Mod. Trocli., pt. -xiv (1857); and lutr. Troch., octavo ed., p. 145 



Type. 



0. eximia, Delattr. 



Fig. 114. 



(1861). 



Ch. "Bill nearly straight and longer than 

 the head; wing rather long; tail rounded; 

 tarsi clothed; feet small; hind toe rather 

 shorter than the middle toe." (Gould, loc. 

 cit.) — Sexes dissimilar. 



Range. Mexico and Central America. 



Three species are here allotted to this 

 genus. 



I^uphentsa eximia, S . Guatemala- CoMk* 



Keij to the species. 



A. Till], two niedian rcetrices light bronze-gi'ccn, lateral ones white margined 



with purplish-gray. 1. E. j)oliocerca. 



B. Tail dark greenish-bronze ; two outermost feathers with basal two-thirds 



of inner webs white. 2. E. eximia. 



C. Tail, four median rectrices dark greenish-bronze, remainder white margined 



with black. 3. E. egregia. 



1. Eupherusa poliocerca. 



Eujtherusa poltocerca, Em.iot, Ann. and Mag. Nat. Hist. (1871), p. 266. — MnLS., Hist. Nat. Ois. Moucli., torn, 

 i, p. 271. — Sci.AT. and Salv., Nomeucl., p. 92 (1873). 



Hab. Putla, Mexico. 



Adult male. Top of head and upper surface bronzy-gi-een ; entire under parts 

 brilliant grass-green. Wings purple ; secondaries chestnut-red. Under tail coverts 

 pure white. Two central tail feathers light bronze-green, purplish at the tips, 

 remaining ones white, purplish-gray on the edges of outer webs and on the tips. 

 Bill black, feet flesh-color. Total length, 3| inl Wing, 2^ in. Tail, If in. Cul- 

 men, f in. (Type in my collection.) 



Female. Unknown. 



2. Eupherusa eximia. 



Ornismya eximia, Drlatt., Echo du Monde Sav. (1843), p. 1069. 



Saucerottia eximia, Reich., Aufz. der Colib., p. 8 (18.53).— Bon., Rev. and Mag. Zool. (18.')4), p. 2.')5. 

 Amazilia eximia, Rkich., Troch. Enuni., p. 8, pi. 776. fig. 4302 (18.55). 



Eupherusa eximia, Goui.n. Mon. Troch.. vol. v, pi. 324.— Id., Intr. Troch., octavo ed., p. 163 (1861).— Mols., 

 Hist. Nat. Ois. Mouch., torn, i, p. 272. 



