FAMILY AXATIIXE. - - DUCKS, GEESE, AND SAVANS. 



77 



Section 4. Hind toe, with well defined membraneous lobe 

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



Axillars, brown; secondaries, white, forming :\ white wing 

 patch; upper parts, dark brown; underparts, sometimes brown, 

 sometimes grayish (female . 



Oidemia <ljl<tn<H. 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; axillars, black; bill, orange at base (male). 



Oidcmia d<><jlandi. White=winged Scoter. 

 White=winged Coot. 



See Xo. 120. Oidemiu ileg-hmdi. 



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

 white on wing; axillars, black; bill, orange, black, and white (male). 



Old '' tn i i>i>r$picillata. Surf Scoter. Skunk=head Coot. 



See No. 121. 



M-V Eider Duck. 

 s<iiii;itrria dresseri. 



Northern Eider Duck. 

 Sumateria borealis. 



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

 axillars, white; hill, eulmen, divided and rounded at base (male). (See cut <>t' bill.) 



Somateria dresseri. American Eider Duck. 



See No. 116. 



* For directions for measurement, see page 9. 



