SEA Dl !,, 



*. Whole head and throat brown, nharply defined from the gray or white 

 neck ; a white patch (speculum) in the wing. 

 >'". Nostril nearer the tip tlmn tin- l>ase of thu hill. 



161. AM. <iLDEX-EYE 9 . 



. Nowtril in the middle f the hill . 152. BARROW'S UOLUKM-KTB 9. 



f. Whole head and neck black 168. An. SCOTER a. 



d, A white patch on the top !' the head and another on the back of the 



neck !;. St K r SCOTKII . 



i. Middle of crown black, bordered by chestnut ; front half of the face 



white 155. HAKI.KVIUX Dr.-R 4. 



/. Head ami neck whitish, grayish, or brownish ; no white in Uie wing. 

 /. Bill over 1-25. 



/*. Feather* on culmen reaching riui.-h further forward than thoae at 



the ide> of the bill 16. Si nr S. <TER 9. 



/*. FeatlHTsi.n eulineii n-m-hing little if any beyond thte at the sides 



of the bill 1. IKB 9. 



?. Bill under 1 _:.. 

 y. Central tail-feathers longest, sharply |>inted, un.ler tail-<-<iverti* 



white l.Vt. Di.n Sgl'AW. 



</*. Central tail leather* nt sharply pointetl ; under tail -co verts gray- 

 ish hrown 155. HAKLKWI IN I 



C. Wintf under 7-00. 



a. Tail-featlien* HtitTand narrow ; up|H-r tail i -overt* very short. 

 '. rpjKT parts mostly r'u-h ehestnut-rufoiw. 



ifl. Cheeks white- 167. Ki i>i.v I> 



'i>. Cheeka black lt>H. MAHKKD DK-K 4. 



A. Up|>er parto grayUh or brownish, with soinvtiiueti rufous uiarkingii. 

 6*. Lining of wing blackish ; under part* grayish. 



168. HASKKD DITK 9. 

 t*. Lining of wing whitish ; under part* grayi.-h. 



167. Rrimv DICK 9. 

 A. Tail-feathere normal ; upper tail -covert* about half as long as tail. 



158. Brrri.EiiEAi>. 



II. Feathers at aides or top of bill extending forward generally as far an nostril. 

 .1. Feathen on sides of bill not reaching nostril. 



a. Nostril narrow, elongate ; fcathere on culnu-n exten.litu; forward in a 

 narrow line, a V-nhaped mark on throat .... K.-'. KIN.. KIUBR. 



b. Nostril large, rounded; feathers on eulmeii not e\t.-n.lin K ' forward in a 

 narrow line 15. WHITB-WIKOED SCOTBB. 



B, Feathers on sides of bill extending as far an nostril. 

 a. Bare base of bill on top narrow, ending posteriorly in a sharp point. 



159. GREENLAND EIDER. 

 6. Bare base of bill on top broad, the posterior end nun. 



160. AM. EIDER. 



The Rcroi's-cRBSTBD Dt-cs ( 14S. Xttto nyfua) is an old- World speciea 

 which has been taken once in America. The record is based on an immature 

 male found in Fulton Market, New York city, which was supposed to have 

 been shot on Long Island. 



