& V r 
t 
f J jd^L ./> /iW 
Z* V—- 
Birds of Bristol County, Mass, 
F.W. Andros. 
Atas obscura Gmel., Black Duck. Mi¬ 
grant, common. A few breed. 
KOteB. on Birdsof Winchendon, Mass. 
William Brewster. 
Anas obscura.—Mr. Bailey sees a few Black Ducks every summer but 
they are much less numerous at that season than in spring and autumn. 
Early in June, 1888 , he found on the bank of a brook, the shells of several 
eggs that had probably hatched a few days before. 
Auk, V, Oct,, 1888, p.390 
2 . Anas obscura. 
. Auk, V, Oct., 1888. p.389 
Ducks of Cobasset, Mass., 1860-92 
O.H.E. Boston, Mass. 
4. Black Duck (133). Common during the 
fall migration. 
0.&O.Vol.17, June,1892 p;90 
