THE HUMMING BIRDS. 341 



c'. Middle tail-feathers edged with rufous; outer primary not attenuated at tip. 



d l . Middle tail-feathers purplish black with little or no metallic green, this, 



if present, on outer web only and not extending nearly to the shaft- 



(Gorget metallic "pomegranate-purple," uot very brilliant.) HAB. Ve- 



ragnaand Costa Rica, S. ardens Salv. Blazing Humming Bird.* 



d 2 . Middle tail-feathers, metallic green, the inner web (only) sometimes partly 



purplish black. 



e [ . Gorget dull " heliotrope-purple," or dull grayish purple, with silvery or 

 even greenish reflections. HAB. Veragua. 



S. torridus SALV. Parched Humming Bird.\ 



e 2 . Gorget dull lilac-purple or wiue-purple. HAB. Costa Rica and Veragua. 



S.flammula SALV. Flaming Humming Bird.l 



c 2 . Middle tail-feathers metallic green, without rufous edgings ; outer primary at- 

 tenuated and curved outward at tip ; wing, 1.85 or more. (Gorget rose- 

 purple or solferino.) HAB. Rocky Mountain district, south to Guatemala. 

 S. platycercus ( SWAINS. ) Broad-tailed Humming Bird. (Page 350. ) 



FEMALES. 



a 1 . Outer tail-feathers tipped with white. 

 ft 1 . Wing not less than 1.65. 



c 2 . Wing more than 1.90 (2.00-2.10), middle tail feathers without any rufous, and. 

 next feather with merely a slight edging of this color if any. 



S.platycercus. 

 c 2 . Wingless than 1.90 ; middle tail-feathers with more or less of rufous on basal 



portion, the next feather with basal half or more rufous. 



d l . Outer tail-feather about .15 wide across middle of black space; wing 1.75- 



1.80. S. rufus. 



d' 2 . Outer tail-feather only .10 wide across middle of black space; wing 1.65- 



1.70. S. alleni. 



b~. Wing less than 1.65. S. torndus. 



a 2 . Outer tail-feathers lipped with light cinnamon-rufous or ochraceous-buff. 



6 1 . Middle tail-feathers margined on both webs with cinnamon-rufous; outer tail- 



feathers with both webs rufous at base. 



c 1 . All the tail-feathers except middle pair cinnamon-rufous across both webs at 

 base. s. scintilla. 



c 2 . Only three outer tail-feathers cinnamon-rufous across both webs at base. 



S. ardens. 



6 2 . Middle tail-feather with only the outer web margined with cinnamon-rufous ; 



outer tail-feather with only the inner web rufous at base. S. flammula. 



FLORESI'S HUMMING BIRD. Selasphorus rulromitratus RIDGW. 

 (Plate xxxvui, Fig. 1.) 



Selas2)horus floresii GOULD, Mon. Troch. pt. xxm, Sept. 1, 1861, pi. 10; vol. in, 1861, 

 pi. 139 (nee Trochilus floresii BOURC., Rev. Zool. 1H46, 316). BRYANT, Forest 

 and Stream, xxvi, No. 22, July 24, 1886, 426 (San Francisco, Cal.). 

 Trochilus floreaii GRAY, Hand., 1. 1, 1869, 144 (Subgen. Selaspltorus). RiDGW.-Man. 

 . N. Am. B. 1887, 315. A. O. U., Abridged Check List, 1889, No. 431.1. 

 Trochilus ruhromitratus and Selasphorus rubromitralus, RlDGW., Auk.vin, Jan., 1891, 114. 

 Le Selasphore de Floresi (MULSANT and VERREAUX). 

 Chupamirto de corona y pecho escaiiata (D'OCA). 

 Floresi's Flame-bearer (GOULD). 



* Selaspliorus ardens SALV., P. Z. S. 1870, 209. 

 \Sdasphorus torridus SALV., P. Z. S. 1*70, 208. 

 t Selasphorus flammula SALV., P. Z. S. 1864,586. 



