<* d.- *- > i ^ 
^ >V ^ ^ -/iff*' 3T' ? _ 
7 . §>uerquedula discors. Ratio of increase, say 2 . 
Bull. N.O.a. a. Anril. Iftftl 
Birds of Bristol County, Mass. 
F.W. Andros. 
Aias discors Linn., Blue-winged Teal. Mi¬ 
grant, fairly common. 
O.&O. XII.Sept. 1887 p. 138 
Duc&s .f Cobasset, Mass., 1360-92 
O.H.E. Boston, Mass. 
6. Blue-winged Teal (140). Abundant thirty 
or forty years ago, but lately almost as rare as 
the preceeding. 
0.& O.Vol.17, June, 1892 p.00 
Anas discors . 
The Ducks of Plymouth County, Massachusetts. 
by Herbert K.Job. 
Auk, Xlll, July, 1896, pp.197-204. 
See under Anas obscura . 
