White-throated Sapphire (Hylocharis cyanea), John Gould This charming little bird, which is, I believe, strictly confined to the eastern part of Brazil, is very common in every district from Bahia to Rio de Janeiro; in which latter province Mr. Reeves informs me it may be seen at all seasons. 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."