Sephanoides fernandensis leyboldi, William Matthew Hart, between 1880 and 1887
Leybold's fire-crown (eustephanus leyboldi) which is now a synonym of the sephanoides fernandensis leyboldi. From gould's 'a monograph of the trochilidae or family of hummingbirds', supplement (1880-87) hart after gould. Date: between 1880 and 1887.