Oriolus oriolus -- Eurasian Golden Oriole. Alternate name on piece: Oriolus galbula [Golden oriole] Finished painting of the male, female on nest sketched in very roughly and lightly; male pose changed and female and nest added in published plate; "Maple Sept 15/64" [referring to tree]. Title in pencil by Sotheran, bookseller. Artist's name(s): Gould, John; Richter, Henry Constantine.