FAMILY AXATID.F,. DUCKS, GEESH, AND SWANS. 



77 



Section 4. Hind toe, with well defined membraneous lobe 

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



Axilhirs, Iirowu ; secouiluries, wliitt', formiiio; n \\liUr'\ving 

 pati'li ; upi)er parts, ilark lirowii; undt'i-parts, soinel inips lirown, 

 soiiiptiiiic's gi-ayish (^fenialc). 



Oidemiii liciilaiiiU. White=winged Scoter. 

 White=wing:ed 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 iiiidir 

 eye, white; axillaj-s, black; bill, orange at Ijase Oiiale). 



O/demia derjlandi. White-=winged Scoter. 

 White- winged Coot. 



•See \o. ]2(). ()i,iL.iiiia ilc'Klanfii. 



General plumage, black; head, black, with patcli of white on crown and iia|ic; no 

 white on wing ; axillavs, black ; bill, orauge, black, and white (inale ). 



Oidemia perifpkillata. Surf Scoter. Skunk=head Coot. 



See No. 121. 



Druseer'K Eider Uiick. 

 Somateiia dresyeri. 



Norttiern Eider Duck. 

 Soin.iteria liorealis. 



Top of head, black, divided ou ciovvri; more or less green on head ; tlnoat, white; 

 axilhirs, white; bill, ciihnen, divided aud rouuded al l>ase (male). (See cot of bill.) 



SfJiitii/crid dris.-.rri. American Eider Duck. 



See No. 110. 



^ Fur directions for iiieasurunient, t^ee page 9, 



