Genera of Humming Birds. 295 



Total length, Svi"- Wing, 2|. Tail, 2|. Culmen, \. 



Young A'lale. — Like the male with no frontal spot. Chin 

 buff. Throat dark shining green. 



This fine and rare species was discovered in Ecuador by 

 Professor Jameson. It was dedicated by Gould, to Empress 

 Eugenie. 



Genus CXX. Docimastes, Gould, Mon. Troch., 1849, 



MellisugA, Gray, Gen. Birds, vol. i., p. 112. 



DOCIMASTER, Bon. Consp., Gen. Av., 1850, vol. i., p. 74. 



Type : O. ensifera, Boissonneau. 



Bill very long, generally of the same length as the whole 

 bird, inclining upwards at the tip and compressed laterally 

 for nearly all its length, broader, and rounded close to the tip. 

 Wings long and pointed, reaching the end of second lateral. 

 Tail long and forked, medians shortest, lateral and outermost 

 ones gradually longer, outermost ones twice as long as 

 medians. Feet small, with the hind toe shorter than the 

 middle one. Tarsi partly clothed. Sexes unlike 



Habitat. — Colombia, Venezuela, Ecuador and Peru. 



413. Docimastes ensiferus, Boiss., Rev. Zool., 1839, p. 354. 



Trochilus derbyanus, Eras. P.Z.S., 1840, p. 16. 



Mcllisuga ensifera, Gray, Gen. Birds, vol. i., p. 112. 



Docimaster scliiiepliac/;ei, Hein., Journ. fur Ornith., 1863, 

 p. 215. 



Sword-biil, Gould, Mon. Troch., vol. iv., p. 233. 



le Docimaste porte epee, Muls., Hist. Nat. Ois. Mou., 1876, 

 t. ii., p. 287. 



Habitat. — Venezuela, Colombia, Ecuador, and Peru. 



Male. — Head coppery-green. Upperside bronzy-green 

 with golden reflections, when seen from behind. Tail dark 

 bronze. Throat dark green-bronze, appearing almost black 

 in certain lights, base of feathers black. Sides of neck, and 

 upperpart of breast shining emerald-green, only to be seen 

 by presenting the bird to the light. Abdomen and flanks 

 bronzy-green, centre of the former dark gray. Undertail- 



