Blue-throated Cazique (Delattria Clemenciæ), John Gould I believe the true and restricted habitat of Delattria Clemenciæ to be the moderately high table-land of Mexico. 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."