BIBDS OF NORTH AND MIDDLE AMERICA. 607 



outer wob darker and less bronzy {jjreen, })e('oniin,i:; purplisli l)lack 

 t(Mininally and ratlier broadly edged with cinnamon-rufous, tlie 

 inner web very narrowly edsjed with the same; outermost rectrix 

 purplish black, with basal thiid of sliaft, basal portion of inner web, 

 and ed!2;e of inner web for about basal two-tliirds, to<;ether with a 

 broad tip, pale ciniuiuKMi-rufous; the remaining; rectrices mostly pur- 

 plish black, rather broadly (Hl<z;e(l on outer web (nearly to tip) witli 

 cinnamon-rufous; remi<]:;es dusky, faintly .<2;lossed witli violaceous; 

 chin and tliroat dull white, tin*2;e4l or suH'uscd witli bulTy (the anterior 

 and lateral ])ortions of cJiin ])a.le cinnamon-rufous or rusty bufV), 

 the whole throat flecked witli small <:;uttate streaks or s])ots of dusky; 

 chest dull budy white; j)assin<2; into duller, moi'o <2;rayish, white on 

 median portion of breast and abdomen; sides and flanks light rusty 

 brownish (nearl}' russet) slightly glossed or intermixed with bronzy; 

 under tail-coverts pale cinnamon-rufous or vinaceous-cinnainon; 

 femoral and lumbar tufts l)uli'y white; bill, feet, etc., as in adult 

 male; length (skin), 69; wing, 41.5; tail, 26.5; exposed cidnien, 11.5." 



Immature male. — Similar to the adult female but (at least in older 

 individuals) with one or mon^ feathers of metallic reddish ])urple on 

 throat. 



ITighlands of (*osta Ilica (\"olcau de Poas; Volcan de Barba; Las 

 Cruces de C'andelaria). 



Selasphorus ardens (not of Salvin, 1870) Ridoway, Proc. U. S. Nat. Mus., vi, 



1884, 415 (Oosta Rica).— Salvin, Cat. Birds Brit. Mua., xvi, 1892, 398.— 



Salvin and Godman, Biol. Centr.-Ain., Aves, ii, 1892, .35(), part (Volcan de 



Poas and Las Cruces de Candelaria, Costa Rica). 

 S[elasphonis] ardens Ridgway, Rep. U. S. Nat. Mas. for 1890 (1891), 341, part 



(Costa Rica).— Hartert, Das Tierreich, Troch., 1900, 20(i, part (Costa 



Rica). 

 S[elasphorus] undenvoodi (not of Salvin) IIartert, Das Tierreich, Troch., 1900, 



206. 

 Selasphorus simoni Cariuker, Ann. Carnegie Mas., vi, Aug. 29 (i. c., Sept. 7), 



1910, 550 (Volcan de Barba, Costa Rica; coll. E. A. and (_). Bangs). 



SELASPHORUS SCINTILLA (Gould). 



SCINTILLANT HUMMING BIRD. 



Similar in coloration to S. alleni, but much smaller; rectrices much 

 broader and more obtuse (especially lateral pair) and with median 

 blackish area much broader and extending to base; adult female and 

 young with lateral rectrices broadly tipped with cinnamon instead 

 of white. 



Adult male. — Above metallic golden or bronzy green, the u])per 

 tail-coverts mostly cinnamon-rufous basally and laterally; rectrices 

 cinnamon-rufous, the middle^ pair with a broad, fusiform mesial stripe 

 of pur])lish black, extending for nearly the entire length, the next 



a One specimei;, 



