Prioniturus platurus -- Golden-mantled Racket-tai. Alternate name on piece: Prioniturus setarius [Racket-tailed parrot] [Curtis] 1-4199. Title in pencil by Sotheran, bookseller. Artist's name(s): Gould, John; Richter, Henry Constantine. Sketch by Gould, with perhaps minimal work-up by Richter;