Minute Observations on Catbirds 



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alert to every sound whether from the wind or any passing 

 bird. Their wing-quills had become exposed in the course of 

 two days to a length of three quarters of an inch. 



Fig. 74. Female Catbird inspecting after having fed the young. 



Suddenly a jubilant song burst from the throat of the 

 male, and his mate thus encouraged approached the nest with 

 insect in bill, but her fears were not allayed, for after beating 



