38 BIRDS OF THE 



one Blackburnian, eight oven-birds, five 

 northern water-thrushes, seven Maryland 

 yellow-throats, one yellow-breasted chat, 

 two Wilson's, and three redstarts; nine 

 catbirds, three brown thrashers, two Wil- 

 son's thrushes, three olive-backed thrushes, 

 and five hermit thrushes. The collection 

 aggregated twenty-eight species, of which 

 thirteen species were warblers embracing 

 forty- three individuals. It will be seen that 

 the percentage of warblers in this flight was 

 small in comparison with what it is in the 

 case of flights which occur upon days later 

 in May. 



In the days succeeding the twelfth day, 

 the numbers of migrants were small until 

 the morning of the twenty-fourth day. In- 

 deed, upon the two days immediately pre- 

 ceding the twenty-fourth day, the records 

 show that no migrant was present in the 

 Garden. This condition was unprecedented 

 in this part of May. Therefore the migrants 

 present on the twenty-fourth day were all 

 newly arrived birds, without an exception. 

 They were sixty-four in number and of 



