138 



SYNOPSIS OF THE HUMMING-BIRDS. 



Ch. Bill about as long as the 

 head. Rectrices lengthened, stiff, 

 graduating to a fine point. Outer- 

 most one bare of outer web for 

 nearly three-fourths its length. Tarsi 

 covered by a tuft of feathers. 



Range. Veragua and Costa Rica 

 ^in Central America, Brazil, the upper 

 Amazon, Columbia, Ecuador, Peru, 

 and Bolivia. 



Four species are here included in 

 this genus. 



Key to the species. 



A. Head crested, breast black, not metallic. 



B. Head not crested, breast metallic. 



a. Breast luminous green bordered with red. 



b. Breast shining green, abdomen dull green. 



c. Breast metallic-green, a patch of white on its lower border. 



aouldiatangidorffi.S Kio Janeiro. Terreaox. 



1. G. popelairii. 



2. G. langitdorffi. 



3. G. conversi. 



4. G. Ixlilise. 



1. Gouldia popelairii. 



Trochihts pnpclai'rii, Pu Bii.s., Esqniss. Ornitli.. pi. 6 (1845). 



Mellisuga poiielairii. Gray, Gen. Birds, vol. i, p. U.S. 



Oouldia popelairi, Bon., Consp. Gen. At. (1850), vol. i, p. 86. — Godld, Mon. Troch., vol. iii, pi. 127. — Bon., 



Rev. and Mag. Zool. (18.54), p. 257. 

 Popelairia tricholopha, Reich., Aufz. dcr Colib., p. 12 (1853). — Id., Troch. Enum., p. 9 (1855). — Muls., Hist. 



Nat. Ois. Mouch. (1876), vol. iii, p. 235. 

 Prymnacantha popelairei. Cab. and IIein., Mus. IJein. Th., iii, p. 64 (1860). — Goulo, Intr. Troch., octavo 



ed., p. 87. 

 Tricolopha popelairei, Heink, Journ. f lir Ornith. (1863), p. 209. 



Hah. Columbia, Ecuador, and Peru. 



Male. Top of head and throat metallic grass-green. Lengthened hair-like 

 feathers, extending beyond the short crest, black. Back aud upper tail coverts 

 grass-green. A white band across the rump, between this band and the tail coverts 

 the rump is greenish-black. Breast and abdomen black; flanks light brownish-gray. 

 Under tail coverts white. Tail steel-blue, shafts white in the middle feathers, 

 brownish in the lateral ones. Thighs red. Bill black. Total length, 4j in. 

 Wing, 1| in. Tail, 2| in. Culmen, j\ in. 



Female. Upper parts, flanks, and tail coverts bronzy-green, white band across 

 the rump. Chin and a line on side of the neck grayish-white. Centre of throat 

 and abdomen bluish-black. Tail short, steel-blue with gray base and white tips. 

 Thighs red. 



2. Gouldia langsdorffi. 



Trochilus langsdorffi, Bonnat. and Vieim,., Ency. M6th., vol. ii, p. 574 (1794). — Temm., Plan. Col., no. 66, fig. 1. 

 Orlhorhiinchus lamjsdorjji, Les.s., Man. Oruith.. to?n. ii, p. 77 (1828). 



Ornismija langsdorffi. Less., Ois. Mouch., p. 102, pi. 26 (1829).— Id., Supp., p. 129, pi. 10.— Id., Trochil., p. 

 101, pi. 35 (1831). 



