Well finished painting; published plate copied very closely from Keulemans' work (which is not acknowledged); at foot of sheet: "35/" (Sotheran price). Artist's name(s): Hart, William Matthew. Signed by J.G. Keulemans with his distinctive monogram; 2 notes on color; note, apparently by J.G.K., on differences between the two species; at head of sheet: "See Dr. Sharpe before coloring Pattern"