Anna's Hummingbird, Colibrí­ cabeza roja. Alternate name on piece: Calypte annae. Layout drawing, birds well finished; corrections; bird and plant detail sketches in margin; Curtis 80-4806--Ceanothus floribundus. Title in pencil by Sotheran, bookseller. Artist's name(s): Gould, John; Richter, Henry Constantine.