Elliot’s Topaz (Lampornis calosoma), John Gould It is now ten years ago since this beautiful species was described by my friend Mr. Elliot; and the specimen still remains unique in the collection of the latter gentleman. 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."