CAGE BIRDS AND THEIR DISEASES. 413 
condition, The perches should receive special attention, and even the sand 
in the bottom of aviaries should be frequently removed and be replaced 
with a fresh supply. 
Uncleanliness is a prolific source of disorders in the feet, and these 
members should receive close attention. They will often become encrusted 
NeEstT OF THE ORIOLE. 
with the droppings and other matters and thus be irritated and sore. 
Hairs, fine feathers and tough straws become entwined about the toes, soon 
cut deep into them, and perhaps cause their total loss. In cleaning feet 
that have become thus involved, dip them into tepid water until the dirt is. 
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