Rosinson & Koss : Birds of West Sumatra. 251 
119. Chalcococcyx xanthorhynchus (Horsf.). 
é. Muara Kiawai, Ophir Districts, 40 M. 
Iris red; bill yellow, base red; feet blackish, soles 
dirty olive. 
Wing 98 mm. 
120. Chalcococcyx basalis (Horsf.). 
2. Bencoolen town. June, 1916 (No. 30). 
Iris white ; bill black, base of lower mandible yellowish 
grey ; feet blackish. 
Wing 97 mm. 
This is a very rare bird in the Malaysian subregion. 
121. Centropus bengalensis javanicus (Dumont). 
IRs @2 Ios 15 fo, 1S) 
6, 6 imm. Fort de Kock, Padang Highlands, 
920 M. 
2? imm. Muara Kiawai, Ophir Districts, 40 M. 
@. Lubuk Landur, Ophir Districts, 200 M. 
6. Sandaran Agung, Korinchi, 733 M. 
Iris sepia (Robinson and Kloss give carmine, but all 
my specimens had dark brown irides, perhaps none of them 
are quite adult), bill black, feet black, blackish or lead 
colour, soles blackish, claws black. 
Wings, ¢ 138 mm., 141, 145; @ 146 mm, 159 mm. 
Contents of stomach : insects. 
Very common in long grass and lalang. If disturbed 
the bird flies clumsily for a short distance and alights 
on the high grass with outspread wings. 
122. Centropus sinensis bubutus (Raffles). 
$6, 2. Buo, Padang Highlands, 280 M. 
28, ?. Aur, Kumanis, Padang Highlands, 200 M. 
6. Painan, Padang Lowlands. 
2. Balun, Muara Labu, Padang Highlands, 480 M. 
Iris carmine, bill, feet and claws black. 
Wings, ¢ 200, 210, 216, 220; ¢ 217, 225, 228 mm. 
This species is an inhabitant of scrub jungle; it has 
a low booming call note sounding like “bu-bu-bu,” of 
which its native name has been derived. The bird has a 
heavy flight, and a peculiar way of diving when alighting, 
into high grass or scrub. Although under ordinary circum- 
stances it looks as if it was not able to fly for any 
considerable distance, I found it, in 1908 on the island 
of Krakatau, where it must have come after the eruption 
of 1883, which destroyed all animal life there. To reach 
