Kylocichla ustulatus swainsoni. 
1097, 
May 30. 
Lake Umbagog. 
Leonard's Pond. 
Evening singin g. 
The singing of the Swainson's Thrushes was remarkably 
fine and impressive, rising and falling in rhythmic cadences all 
around the wooded shores of the pond and lasting ten minutes or 
more after all the other birds had become silent for the night. 
