268 BIRDS OF THE 
Treron olaz Salvad. Ucc. Born. p. 289; Everett, L. B. Born. p. 196, 
Eight specimens from Pontianak, Roema Manoeal, Nanga 
Raoen, Poelau and three from the Upper Mahakkam. — 
Tris white, outer ring purplish rosy, bill yellowish green, 
feet red. — Among the specimens from the Upper Mahakkam 
there is a fine adult male (December 19th 1896) in gray 
plumage, an aberration in color which is very uncommon 
among Trerons. It may be described as follows: crown, sides 
of head and the whole neck entirely gray; forehead, chin 
and centre of throat more whitish; back and shoulders 
entirely olive-yellow; rump, upper tail-coverts, wings and 
tail gray, tinged with olive-yellow; under wing-coverts gray, 
lower surface of the body normally colored, but the orange- 
brown of the chest paler, thighs and under tail-coverts 
gray, faintly washed with pale rufous. 
Hab. Malay Peninsula, Sumatra, Java and Borneo. 
247, Ptilopus gambu, , 
Columba jambu Gm. Syst. Nat. II, 2, p. 784 (1788). 
Ptilopus jambu Salvad. Ucc. Born. p. 289; Everett, L. B. Born. p. 197; 
Sharpe, Ibis 1890, p. 184. 
Eight specimens from Roema Manoeal, Mount Liang 
Koeboeng, and Poelau. — Iris red, orbital skin gray, bill 
orange-yellow, feet purplish red. 
Hab. Malay Peninsula, Sumatra, Banka and Borneo. 
248. Carpophaga aenea. 
Columba aenea Linn. Syst. Nat. I, p. 283 (1766). 
Carpophaga aenea Salvad. Ucc. Born. p. 290; Everett, L. B. Born. 
p. 194; Sharpe, Ibis 1890, p. 184. 
Numerous specimens from Roema Manoeal, Nanga Raoen, 
Poelau and Upper Mahakkam. — Iris brown, eyelid crimson, 
bill blue, cere crimson, feet pinkish. 
Hab. South-eastern Asia with Ceylon and the Nicobars, 
Malay Archipelago to Flores, Sulu Islands and the Phi- 
lippines. 
Notes from the Leyden Museum, Vol. XXI. 
