180 
1875. 
1 
Contopus rirens, 
Middlesex County, Mass. 
1 
Sept.11) 
Saw tvro. It is remarkable that'/this species 
should arrive so much later than the Least Flycatcher in 
the spring and yet stay so much later in the autumn. 
1876. 
May 21. 
One (Belmont). 
1877. 
Sept.13. 
Sav/ several yesterday and shot tv/o. 
1879. 
May -20. 
Throe singing (Sast Lexington). 
