FAMILY ANATllJ.i;. UUCKS, (JEESH, AND SWAN:?. 



77 



Section 4. Hind toe, with well defined membraneous lobe 

 or flap; belly, not white; no white on head. 



Axill.iis, hrowii ; secondaries, white, formiiio; a wliite wincr 

 paU'li; upper i)aii<. dark brown; underparts. sometinirs hrowii, 

 sometimes orayisli (female). 



Oidemia derilnmU. White=winged Scoter. 

 White=winged Coot. 

 See No. 120. 



'^ Group 5. Wing, 10 to 14 inches long. 



Section 1. Hind toe, with well defined membraneous lobe 

 or flap ; head, with more or less white, or grayish 

 white ; belly, black. 



General plumage, black; speculum, white; spot under 

 eye, white; axiilai's, l)l:K'k; hill, orange at l)ase (male). 



Oidemia deglandi. White=winged Scoter. 

 White= winged Coot. 



See Xo. 120. Oi,lemi;i .leglan.li. 



General plumage, black; head, black, with patch of white on crown and nape; no 

 white on wing ; axillars, l)lack; l)ill, orange, black, and white (male). 



Oidemia perapicillata. Surf Scoter. Skunk=head Coot. 



See No. 121. 



Dresser's Kiilcr Duck. 

 Soniateria dresseri. 



Xortliorn Eiiler Duck. 

 Soniateria Iwrealis. 



Top of head, black, divided on crown; more or less green on head ; throat, white; 

 axillars, white; bill, culmen. divided .•md rounded at l)ase (male). (See cut of bill.) 



Sumnteriit drraxcri. American Eider Duck. 



See No. IIG. 



For directions for measui-emeut, see page 9. 



