Ropinson & Kross: Birds of West Sumatra. 223 
Iris light chrome, bill bluish slate, culmen blackish, 
some examples (No. 4081 and 4457) with horn black tip, 
cere and orbital skin lemon, feet dirty pale yellow, claws 
black. 
Wings, ¢ 350, 350, 352, 355, 360, 380 ; ¢ 365 mm. 
The Serpent Eagle preys not only on reptiles, his 
principal food, but according to natives occasionally also 
seizes a hen. 
54. Haliastur indus intermedius Gurney. 
Re Ge Kap: £23: 
é. Buo, Padang Highlands, 280 M. 
@. Aur, Kumanis, Padang Highlands, 200 M. 
Iris brownish yellow, bill horn yellow, lower mandible 
at the base slightly blackish, cere and feet:pale yellow, claws 
black. 
Wings, ¢ 380; @ 412 mm. 
55. Elanus coeruleus hypoleucus Gould. 
iraea Kt py 23: 
6. sSandaran Agung, Korinchi, 733 M. 
2. Koto Tuo, Mt. Singgalang, Padang Highlands, 
1000 M. 
?. Fort de Kock, Padang Highlands, 920 M. 
? imm. : Buo, Padang Highlands, 280. 
Iris crimson, bill black, cere pale yellow, sometimes 
dirty pale yellow, feet lemon, claws black. The immature 
bird has the iris orange. 
Wings, ¢ 295; 2 295, 292, 280 mm. 
The young bird has the dark part of the wing brownish 
black and the upper parts, wings and tail mingled brown 
and grey. 
Very abundant in the Padang Highlands. I doubt very 
much the statement that the bird ever preys on other birds, 
at least I never found anything else in the stomach of killed 
birds than small reptiles, frogs and grasshoppers. 
56. Pernis apivorus orientalis Tacz. 
?. Buo, Padang Highlands, 280 M., 26th Feb., 
1914, No. 3686. 
Iris pale yellow, upper mandible black, lower mandible 
brownish black, tip black, cere black, feet yellow, claws 
black. 
Contents of stomach big wasps and their larvae and 
chrysalides. 
Wing 450 mm. 
6 
