The Phoebe at Home 



r 



their work up to that familiar level, heaped up 

 no less than fourteen inches of foundation be- 

 fore they made a cup and lined it for the eggs. 

 Such facts as these, among many that are 

 known to students, seem to be interesting as 

 showing the traditional character and limita- 

 tions of bird intelligence as applied to nest- 

 building. 



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