The Bluebird 195 
the birds begin to look about for a suitable place 
for housekeeping. 
The “bird-boxes”? and small cavities in trees are 
carefully inspected, until a spot is found to their 
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THE ‘“‘ BLUEBIRD Box” 
liking. If the birds are not interfered with, the work 
of nest building progresses rapidly. But when the 
bluebirds are once settled they are very determined, 
usually succeeding in maintaining their own against 
