Green-fronted Lance-Bill (Doryfera Ludoviciæ), John Gould Naturalists often assume the privilege of honouring individuals by naming remarkable species after them, and although this practice is by no means to be commended, it is one which may readily be excused when exercised in favour of those whose names are favourably known in the annals of science; in the present instance it has been employed with singular appropriateness to do honour, through his wife, to M. Isidore Geoffroy Saint-Hilaire, whose fame as a scientific naturalist is familiar to every one. This illustration has been restored to its original vibrancy by enhancing colors and removing unwanted marks. A monograph of the Trochilidæ, or family of humming-birds was published between 1849 and 1887 by English ornithologist John Gould. This monumental work depicts and describes all the known species of hummingbirds at the time - comprising 418 lithographic plates and information on 537 species."
 
                                 Spotted-breasted Humming-bird, John GouldHummingbirds
Spotted-breasted Humming-bird, John GouldHummingbirds Fanny’s Wood Star, John GouldHummingbirds
Fanny’s Wood Star, John GouldHummingbirds Ruby and Topaz, John GouldHummingbirds
Ruby and Topaz, John GouldHummingbirds The Sappho Comet, John GouldHummingbirds
The Sappho Comet, John GouldHummingbirds Saucerotte’s Erythonote, John GouldHummingbirds
Saucerotte’s Erythonote, John GouldHummingbirds Sophia’s Erythonote, John GouldHummingbirds
Sophia’s Erythonote, John GouldHummingbirds Blue-headed Sapphire, John GouldHummingbirds
Blue-headed Sapphire, John GouldHummingbirds Great Jacobin, John GouldHummingbirds
Great Jacobin, John GouldHummingbirds Letitia, John GouldHummingbirds
Letitia, John GouldHummingbirds Sun Gem, John GouldHummingbirds
Sun Gem, John GouldHummingbirds Golden Star-frontlet, John GouldHummingbirds
Golden Star-frontlet, John GouldHummingbirds Red-throated Sapphire, John GouldHummingbirds
Red-throated Sapphire, John GouldHummingbirds Whitely’s Humming-bird, John GouldHummingbirds
Whitely’s Humming-bird, John GouldHummingbirds Train-bearer, John GouldHummingbirds
Train-bearer, John GouldHummingbirds Jardine’s Panoplites, John GouldHummingbirds
Jardine’s Panoplites, John GouldHummingbirds Brazilian Violet-Ear, John GouldHummingbirds
Brazilian Violet-Ear, John GouldHummingbirds Belted Hermit, John GouldHummingbirds
Belted Hermit, John GouldHummingbirds Evening Humming Bird, John GouldHummingbirds
Evening Humming Bird, John GouldHummingbirds White-bellied Emerald, John GouldHummingbirds
White-bellied Emerald, John GouldHummingbirds Short-billed Emerald, John GouldHummingbirds
Short-billed Emerald, John GouldHummingbirds