47 
1869. 
Sept, 2. 
1871. 
May 25. 
1875. 
Aug. 4 
Sept. 6. 
Aegialitis semipalmata. 
Middlesex County, Mass. 
A large flock on the shores of Shornon*s Pond (Wal¬ 
tham). 
Several on Charles River. 
About a dozen in an immense flock of Ereunete^ on 
the mud-flats in Cambridge Nook, Fresh Pond 
Shot on the mud-flats in Fresh Pond. 
/ 
