Genera of Humming Birds. 291 



rectrices. Tail long, and deeply forked. Median rectrices 

 the shortest, lateral and outermost ones gradually longer. 

 Tarsi clothed. Feet large, hind toe shorter than middle toe. 

 Sexes unlike. 



Habitat. — Colombia, Ecuador and Peru. 



408. lOLAEMA SCHREIBERSI, Bourcier, P.Z.S., 1845, p. 43. 



Thalurania schreibersi, Bon. Consp. Gen. Av., 1850, vol. i., 



P- 77- 



Calothorax schreibersi, Gray, Hand. List. Birds, vol. i., p. 

 136. 



Canipylopterus schreibersi, Bon., Rev. and Mag., ZooL, 

 1854, p. 250. 



Heliodoxa schreibersi, Reich., Troch., Enum., 1855, p. 6. 



lonolaima frontalis, Lawr., Ann., Lye. Nat. Hist., N.Y., 

 vol. vi., p. 263. 



Schreiber^s Humming Bird, Gould, Mon. Troch., vol. ii., 



P- 93- 



Emerald fronted Humming Bird, Gould, Mon. Troch., vol. 

 ii., p. 92. 



r lolème de Schreiber^s, Muls., Hist. Nat. Ois. Mou., 1875, 

 t. ii., p. 139. 



Habitat. — Ecuador. 



Male. — Front brilliant metallic green, golden in some 

 specimens. Rest of head and upperside golden-green passing 

 to shining green on uppertail-coverts. Tail steel-blue with 

 greenish reflections. Chin, upper part of throat, middle of 

 breast, and abdomen black. Rest of throat metallic violet- 

 blue, beneath which is a broad band of glittering golden-green. 

 Flanks dark bronze green. Undertail-coverts blackish-blue. 

 Wings purple-brown. Bill black. 



Total length, 5iin. Wing, 2^. Tail, 2\. Culmen, |-. 



Fe?nale ? — Upperside shining green, golden on lower part 

 of head and neck. Median rectrices bronze-green, laterals 

 steel-blue, the outermost ones tipped with white. Underside 

 grayish-white passing to light buff on centre of abdomen, 

 each feather tipped with metallic green. Undertail-coverts 

 olive-bronze, edged with buffy-gray. Wings purplish-brown. 

 Bill black. 



