30 SYNOPSIS OF THE HUMMING-BIRDS. 



fjeniis, as I cannot perceive any generic character to separate henrlcl and viridi- 

 2>alleiis from clcincncice, nor the species usually known as Oreopura liewileiica from 

 those just named. They are handsome birds, the males possessing bright metallic 

 throats. 



Key to Ihe species. 



A. Under parts grayish -brown. 



a. Throat metallic-lilue. 1. C. clemenciae. 



b. Tliroat metallic lilac-red. 2. G. henrici. 



B. Under parts white. 



a.. Throat metallic-green. 3. G. viruh-jtalleiw 



b. Throat metallic-amethyst. 4. G. hemileuca. 



1. Caeligena clemenciae. 



Omismya demenciw, Less., Ois. Mouch., p. 216, pi. 80 (1829). 



Lampornis dcmencicE, Less., Trait. Orn., p. 279 (1831). — Bon., Rev. aud Mag. Zool. (18.54), p. 250. 



Cwlii/ena clemencice, Less., Iiui. Gen. Syn. Ois., Genr. Trochilus, p. 18 (18.31). — Goui.d, Intr. Troch., octavo 

 ed., p. 59.— Reich., Aufz. dcr Colib., p. 7 (1853).— Id., Troch. Enuni., p. 3, t. C87, fig. 4516-17 (1855).— 

 Cab. and Hein., Mus. Uein. Th., iii, p. 15 (1860). — Mcls., Hist. Nat. Ois. Mouch., torn, i, p. 180. 



MeUisitga clemencice, Gray, Gen. Birds, vol. i, p. 112, sp. 16 (1844-49). 



Delaltria clemencice, Bon., Consp. Gen. Av., p. 70 (1850). — Gould, Mon. Troch., vol. ii, pi. 60. 



Hab. Mexico. 



Male. Upper parts brouzy-green. Behind the eye a stripe of white. Throat 

 metallic aznrc-blue. Under surface dark ash-gray. Under tail coverts greenish- 

 gray bordered with grayish-white. Upper tail coverts greenish-black. Tail black, 

 two outermost feathers tipped wilh white. Maxilla brownish-black, mandible flesh- 

 color. Total length, 4| in. Wing, 3g in. Tail, 2 in. Culnicn, | in. 



Female has the crown dark brown, and entire under surface dark gray. 



2. Caeligena henrici. 



Ornismya licnrica, Less, and Dei.attr., Rev. Zool. (1839), p. 17. 



Tvpaza henrici, Grat, Gen. Birds, vol. i, p. 110. 



Delaltria hcnrica, Box., Consp. Gen. Av. (1850), p. 70.— Id., Rev. and Mag. Zool. (1854), p. 253.— Gould, 



Mon. Troch., vol. ii, pi. 62.— Id., Intr. Troch., octavo ed., p. 60 (1861). 

 Lamprolaima hcnrica, REicn., Aufz. der Colib., p. 9 (1853).— Id., Enum., p. 6, pi. 742, fig. 4701, 4703 (1855). 

 Cceligena henrici. Cab. and IIein., Mus. Hein. Th., iii, p. 15 (note) (I860).— Mdls., Hist. Nat. Ois. Mouch., 



torn, i, p. 182. 

 Chariessa henrici, Heine, Journ. fur Ornith. (1863), p. 178. 



Hab. Guatemala. 



Male. Upper parts bronzy-green fading into brownish on the rump. Wings 

 purplish-brown. Tliroat metallic lilac-red. Under surface grayish-brown. Tail 

 blackish-brown tipped with grayish on the lateral feathers. Bill black. Total 

 length, 4| in. W^ing, 3f in. Tail, 2| in. Culmen, | in. 



Female has the under parts pale brown, slightly tinged with buff, without any 

 metallic spot on the throat ; rest of plumage like the male. 



