-( 26 
■^ifiJ. ^t '^- Maine, Minnesota, ^ b' California a British Coltimhia ^ t' 
Labrador >'Fh1-7'^^^. British Columbia Alaryland Lower Califor- 
nia :5^t-MPi]it^ie 
52. Nyroca vallisneria (Wils ) 
Ajihva ■vnllisncyia (Wils.). 
AytJiyi-a -i'allisncria (Wils.). 
Marila i'allisncria (Wils.). 
Fnligiila -'allisiicria (Wils ). 
Anas I'allisncria Wils. 
I^tJc^- Canvas- Baek. 
White Baek, Bull-neck. 
X 1.70 P^-r . 
•a-^- ^byfv Minnesota ^ t' Dakota / ^b^IS "=3 ■^%=- T Maryland 
;^t- British Columbia =.T') r^^^. % u =- New England - ^it/t^. 
x53. Nyroca baeri (Radde) 3) ^/^ IJ: C" "6. d>tl»^H- 
Acythia bicri (Radde). 
AytJiya bccri (Radde). 
Fnligula bceri Radde. 
A)ias been Radde. 
1^^. Siberian White-eyed Duek, Baer's Pochard. 
-^)m^ ■ m-^-m^- ;r(^^/ j-m^- Mi-#M7fe?i7'/w^iiifig,. ^ 
