Coeligena violifer dichroura -- Violet-throated Starfrontlet. Alternate name on piece: Helianthea dichroura Very finished layout painting; quick outline sketch to indicate where one of the 3 birds was to be relocated--so moved in the published plate;"9 / 1844" (see item 969B); at head of sheet "Plant. Cinchona officinalis, Peruvian bark"; at foot, lengthy note about related species, Helianthea osculans and calligenia, and the ornithologists Jelski and Taczanowski (see text); at head of sheet "9 / 1844." Title in pencil by Sotheran, bookseller. Artist's name(s): Gould, John; Hart, William Matthew.