GOULD, John (1804-1881) & HART, William (1830-1902) 'Ailuroedus Buccoides (Barbet-like Cat-bird)' & 'Pachycephala Collaris (Ramsay's Thickhead), from John Gould's 'Birds of New Guinea and the adjacent Papuan Islands.' Published 1875-1888. Descriptive sheets verso. Matching frames. Hand Coloured Lithograph (2) 51x35cm (each) Estimate $800-1,400