Genera of Humming Birds. 125 



Chlorostilbon atala, Gould, Mon. Troch., vol. v., p. 356. 



Saucerottia atala, Bon. Consp., Gen. Av., 1850, vol. i., 



P- 77- 



Chlorestes atala, Reich., Troch., Enum., 1855, p. 4. 



Chlorostilbon caribacus, Lawr., Ann., N.Y., Lye, Nat. Hist., 

 vol. x., p. 2. 



Atala's Emerald, Gould, Mon. Troch., vol. v., p, 356. 



Le Chrysomire atala, Muls., Hist. Nat. Ois. Mou.. 1875, 



t. ii., p. 105. 



Habitat. — Trinidad, Venezuela, and Columbia. 



Male. — Crown metallic-golden. Upperside golden-green. 

 Uppertail-coverts shining green. Underside metallic emerald- 

 green, golden on flanks and abdomen. Wings purplish-brown. 

 Tail steel-black. Bill black. White tuft of feathers on each 

 side under the vent. 



Total length, 3-J-in. Wing, i-J-J-. Tail, i-i Culmen, f. 



Female. — Upperside golden-green, brownish on head. 

 Underside grayish-white, washed with a few green feathers 

 on flanks. Median rectrices bluish-green, lateral bluish-green 

 at base, then steel-blue with white tips. Bill black. 



My Venezuelan specimens were collected, by Doctor Carlos 

 Rojas, of Caracas. 



Genus LV. Smaragdochrysis, Gould. 



Smaragdochrysis, Gould, Int. Troch., 1861, p. 180. 



Type : C. iridescens, Gould. 



Bill longer than the head, straight and slender. Wings 

 small, primaries narrow and rigid. Tail of moderate size 

 and deeply forked Tarsi clothed. Feet small ; hind toe and 

 nail nearly as long as the middle one (Gould, loc. cit.) 



Habitat. — Brazil. 



*i75- Smaragdochrysis iridescens, Gould, Mon. Troch., 



vol. v., p. 159. 



Iridescent Humming-bird \ Gould, Mon. Troch, vol. v., p. 

 359- 



l Emeraude irisé. 



