Pteroglossus viridis humboldti. Alternate name on piece: Pteroglossus humboldti [Humboldt's araçari] Fairly finished drawing; note on design; 2 black smudges at top (centering marks?); at head of sheet: "reverse," at foot: "Humboltii." Artist's name(s): Gould, John; Richter, Henry Constantine.