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SAVAGE SUDAN 
descried our lost friend Episcopus, busily engaged in 
frog-catching. Under the bank of the khor I stalked 
and shot him, still holding a live frog in his mandibles. 
This was the first Bishop-stork I had handled, and 
two features struck me as curious. First, the colour-plan 
of its blood-red eye; the pupil (small and black) was 
encircled by a double orbit in concentric rings, red and 
black respectively, and surrounded by a yellow outer 
circle, which latter extended to the bare skin of the 
Bishop-Storks. 
sclerotics. The only case analogous with this, in my 
experience, occurs with the grebes—see my Bird-Life of 
the Borders , 2nd ed., p. 406. Secondly, there was the 
tail: the Bishop-stork may almost be said to boast two 
tails ; the upper black and forked, but lying superimposed 
upon a lower tail which is white and square. The rough 
sketches may better serve to show what is meant. This 
species is rather small for a bird of the stork persuasion, 
and is not common, though one meets with it here and 
there on Upper Nile. 
On an ant-hill by the riverside a white-headed river- 
eagle was busy tearing up a victim, with a marsh-harrier 
perched close by, patiently expectant. The quarry, I 
