Adelomyia melanogenys melanogenys -- Speckled Hummingbird. Alternate name on piece: Adelomyia melanogenys. Layout drawing, birds well finished; corrections; the sheet seems to have been used to try out pencil shading, some of it over the drawing or notes. Title in pencil by Sotheran, bookseller. Artist's name(s): Gould, John; Richter, Henry Constantine.