Ropinson & Kxioss : Birds of West Sumatra. 265 
Wings, ¢ 103; 2 101 mm. 
The common Sumatran form ; an immature bird from 
the Lampongs in the Buitenzorg Museum appears to 
represent the typical race found in Java with pure yellow 
undertail-coverts. 
159. Eurylaimus ochromalus ochromalus Raffles. 
Rec Ke pe ode 
6, 6 juv., 2. Balun, Muara Labu, Padang High- 
lands, 480 M. 
8. Serapei, Korinchi, 800 M. 
6. Pasumah, Mt. Dempu, Palembang, 900 M. 
Iris sulphur yellow, upper mandible pale green, basal 
half turquoise blue, at the base of the culmen indigo blue, 
tomia blackish, lower mandible turquoise blue, base indigo 
blue, tomia blackish, gape pale yellow, feet pale vinaceous 
pink (or flesh pink, same colour as the feathers of under 
surface), claws blackish. 
Wings, 3 79, 81, 81; @ 83 mm. 
The young male is dark brown above, black in parts ; 
with the same yellow markings as in the adult, but with 
the white collar tinged with yellow and with large yellow 
frontal patches. Below it is yellowish white to yellow with 
the grey bases of the feathers showing on breast and flanks. 
The under-tailcoverts are sulphur yellow. 
Lives in the bushes at the edge of clearings, in dense 
forest and in secondary forest. 
160. Corydon sumatranus sumatranus (Raffles). 
Tulas, Muara Kiawai, Ophir Districts, 40 M. 
2? imm. Penatei, Korinchi, 300 M. 
, 26 subad., @. Serapei, Korinchi, 800 M. 
6, ?. Rimbo Pengadang, Lebong, Bencoolen, 
1000 M. 
Iris dark brownish crimson, orbital skin raw flesh 
colour, colour of the bill very variable, upper mandible 
yellowish horn stained with raw flesh colour, tomia and 
culmen greyish claret, lower mandible raw flesh colour, 
base yellowish horn, tomia greyish claret, bill interiorly 
pinkish flesh, feet brownish black, soles dirty whitish, claws 
horn black. 
In the immature birds the iris is brownish grey, the 
bill is pale pinkish horn with vinaceous stains, interiorly 
chrome yellow. 
The two subadult specimens had the upper mandible 
dark sepia, tip yellowish horn. 
Wings, ¢ 129 (subad.), 133 (subad.), 132, 135, 135, 
138, 142; ¢ 133 (mm.), 134 Gnm.), 136, 138 mm. 
Contents of stomach : insects. 
It lives at the edge of the dense forest and is not very 
lively. 
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