of the United States. 389 



Eider Duck, Anas mollissima, Wils. Am. Orn. viii. p. 122. 

 pi. 72. Jig. 2- male, and p. 125. pi. 7\.fg. 2. female. 



Inhabits the extreme north of both continents : an occasion- 

 al winter visitant in the middle states, breeding sometimes 

 in the most northern part of the union : very common in 

 Iceland. 



332. Fui.igula spectabilis, Nob. Branches of the bill broad, 

 circular. No mirror. 



Male black ; head and back white, crown light ashy-blue ; 

 an arrow-shaped black mark on the throat. 



Female, reddish-drab spotted with black ; a single white 

 band across the wings. 



King Duck, Lath. Gray-headed Duck, Edw. pi. {54. 

 Anas spectabilis, L. 



Inhabits the extreme north of both continents : an acciden- 

 tal visitant during winter in the northern states : common in 

 the northern British Islands. 



SUBGENUS II. OIDEMIA. 



Macreuses, Cuv. Melanilta, Boie. Oidemia, Fleming. 

 Oidemia, Biziura, Leach. Oidemia, Biziura, Sleph. 



Bill broad, gibbous above the nostrils ; margins dilated, 

 lamelliform teeth coarse. Nostrils sub-medial, large, eleva- 

 ted. Tail of fourteen feathers. 



Colors black. Female brown. 



Live chiefly near the edge of the surf. 



333. Fuligula perspicillata, Nob. No mirror ; feet red ; 

 bill with a prominence each side. 



Male glossy black ; crown and hind neck marked with white. 



Female wholly sooty-brown, near the bill and auriculars, 

 whitish. 



Black, or Surf Duck, Wils. Am.Orn. viii. p. 49. pi. 67. Jig. 2. 



Inhabits the Arctic regions of America, whence it migrates 

 periodically in great numbers, all along the coasts of the 



Vol. II. 49 



