Genus Dolerisca Cab.

The typic species of this form is the Trochilus fallax of M. Bourcier, a bird distinguished by its tawny-coloured breast, and by the white tippings of its outer tail-feathers. I wish it to be understood that I do not include in this genus the albicollis or the chionogaster, which have been inadvertently figured as pertaining to it. At the same time were I to state that the genus is confined to a single species, I believe that I should be leading ornithologists into error; for I have a specimen which, I think, will prove to belong to a second. The example in question, although bearing all the general characteristics of the D. fallax, differs in some minor details, and I shall therefore provisionally propose for it the specific name of cervina.

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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.