Anas araericana . 
The Ducks of Plymouth County, Massachusetts 
by Herbert K.Job. 
Auk, Xlll, July, 139S, ??.197-204. 
See under Anas obsoura. 
ajl 
Mareca americana. One spent April 17 , 1904 , on the Chestnut Hill 
Reservoir, Brighton, in company with two Black Ducks. 
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.3 % 
