48 THE BALTIMORE ORIOLB. 



littlo fine, dry grass, with a few large, downy featheis, fom 

 the bed on which their eggs, generally five in number, and 

 pure white, are deposited. 



The young are hatched late in May ; and here I have 

 taken notice of the common crow, in parties of four or 

 five, watching at the entrance of these holes, to seize the 

 first straggling young that should make its appearance. 

 From the clouds of Swallows that usually play round these 

 breeding-places, they remind one at a distance of a swarm 

 of bees. 



The Bank Swallow arrives here earlier than either of the 

 preceding j begins to build in April, and has commonly two 

 broods in the season. Their voice is a low mutter. They 

 are particularly fond of the shores of rivers, and, in several 

 places along the Ohio, they congregate in immense multi- 

 tudes. 



BALTIMORE ORIOLE. {Oriolut BalHmare.-) 



This is a bird of passage, arriving in Pennsylvania, from 

 tne south, about the beginning of May, and departing 

 towards the latter end of August, or beginning of September. 

 During migration, the flight of the Baltimore is high above 

 all the trees, and is straight and continuous ; it is mostlj 

 performed during the day, as they are usually obierved 

 «lighting, always singly, about the^ setting of the sun, nttei^ 



