Adult (sexes alike).--Head, neck, and abdomen gray, tinged with vinaceous; breast gray; forehead and chin whitish; under tail-coverts dark chestnut; back, rump, upper tail-coverts, and wings metallic green, mixed with metallic copper-color; primaries and secondaries blackish with mealy edges. "Iris red; bill gray; region of nostrils dull red; edges of eyelids, legs, and feet purplish red." (Oates.) Length, about 450; wing, 240; tail, 150; exposed culmen, 23; tarsus, 27. Female slightly smaller than male. 35. MUSCADIVORES PICKERINGI (Cassin). PICKERING'S IMPERIAL PIGEON. Carpophaga pickeringii Cassin, Proc. Acad. Nat. Sci. Philad. (1854), 7, 228; Ornith. Wilkes Exped. (1858), 267, pl. 27. Carpophaga pickeringi Salvadori, Cat. Birds Brit. Mus. (1893), 21, 201; Sharpe, Hand-List (1899), 1, 65. Muscadivora pickeringi McGregor and Worcester, Hand-List (1906), 11. A-bu-un, Cagayancillo. Cagayancillo [6] (McGregor); Cagayan Sulu (Guillemard); Sibutu (Everett); Sulu (Guillemard). Mantanani Islands, Lawas River, northwest Borneo. "Adult male.--Head and under parts grayish vinous, changing into pure gray on lower hind neck and upper mantle; frontal edge, a ring of feathers round eyes, and chin whitish; back, rump, and wings grayish green (in some specimens with a slight brown tinge), with a metallic luster in some lights; longer upper tail-coverts and tail above metallic bottle-green; primaries mealy green, especially on outer webs; under surface of wings and tail gray; under tail-coverts gray with a reddish tinge. 'Iris crimson; bill light lead-gray; feet dull crimson.' (Everett.) Length, about 400; wing, 240; tail, 173; bill, 20; tarsus, 28. "Female.--Similar to the male." (Salvadori.) This species was very abundant on Cagayancillo where it fed entirely on young leaves of trees. 36. MUSCADIVORES LANGHORNEI (Mearns). LANGHORNE'S IMPERIAL PIGEON. Muscadivora langhornei Mearns, Proc. Biol. Soc. Wash. (1905), 18, 84; McGregor and Worcester, Hand-List (1906), 11. East Bolod (Mearns); West Bolod (Mearns).