Selenidera nattereri -- Golden-collared Toucanet, Tawny-tufted Toucanet. Alternate name on piece: Pteroglossus humboldtii [Natterer's araçari]. Dated at foot in ink: 5 August 35. At head, ref. To Wagler, Systema avium, also noted in the text. Artist's name(s): Gould, John; Gould, Elizabeth. Rough sketch, with head and beak worked up and colored by E. Gould.