228 Journal of the F.M.S. Museums. {Vou. XI, 
Iris yellow ; bill black, cere bluish slate ; feet white 
with a sea-green tinge (yellow in the dry skin), claws black. 
Wing 470 mm. 
Stomach contained fish. 
62. Polioaetus humilis humilis (Mill. & Schleg.). 
? juv. Rimbo Pengadang, Lebong, Bencoolen, 
1000 M. [No. 331}. 
Iris dark yellowish brown, bill horn black, cere 
blackish, feet white with a sea-green tint, claws horn black. 
Measurements in the flesh_—T. |. 470 ; t. 161 ; w. 282 ; 
bill from gape 42, ts. 66 mm. 
This young bird was taken from the nest by a native. 
It closely resembles the young Sumatran male figured by 
Miller and Schlegel in the “ Verhandelingen,” Tab. 6, but 
the crown and nape are mingled brown and white and the 
feathers of mantle and wing-coverts have broad pale edges. 
The rectrices are pointed and tipped with white and have 
remnants of down attached. 
BUBONIDAE. 
63. Ketupa ketupu ketupu (Horsf.). 
é imm., @. Fort de Koek, Padang Highlands, 
920 M.° 
2. Buo, Padang Highlands, 280 M. 
2¢,2¢@. Aur, Kumanis, Padang Highlands, 200 M. 
g. Andalas, Tandjung, Padang Highlands, 720 M. 
6. Singkarak, Padang Highlands, 400 M. 
? juv. Balan, Muara Labu, Padang Highlands, 
480 M. 
Iris lemon, bill blackish, the base of the lower mandible 
lighter, cere dingy yellowish grey, feet yellowish grey, claws 
black or blackish. 
Wings, ¢ 316, 333, 335, 338, 345; ¢ 325, 332, 334, 
338 mm. 
Except for the flight feathers and tail which are as 
in adults, the nestling is bright tawny throughout with dark 
brown shaft stripes. 
The Fishing Owl is extremely common in the Padang 
Highlands. Its food consists of small mammals, birds, 
and fish. To owners of fishponds it causes much loss 
It usually lays a single egg in the cuplike hollow formed 
by the leaves of the big arboreal fern Asplentum nidus 
(Linn.). No nest-material whatever is used, 
