Genus Lafresnaya Bonap.

There is scarcely a more isolated form in the family of Trochilidæ than that for which the generic name of Lafresnaya was proposed by Bonaparte in honour of the venerable Baron de Lafresnaye; and it gives me great pleasure to assist in perpetuating the name of a French nobleman, lately deceased, who devoted the leisure hours of a long life to the pleasing study of natural history.

Strictly confined to the Andes, one of the species is quite equatorial, the others fly several degrees further north. The males are very boldly coloured, the brilliant green of their throats and flanks being beautifully relieved by the velvety black of the abdomen. The females have none of these contrasted colours, their entire undersurface being spangled with green on a white or a buff ground. The species known are very much alike except in the colouring and markings of the tail,—one of them having the four outer feathers white tipped with purplish black, while the same feathers in another are buff tipped with bronzy brown, and the tail of the third is white tipped with greenish bronze.

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Featuring all 422 illustrated species from John Gould’s A Monograph of the Trochilidæ, or Family of Humming-Birds arranged by color.