Ducks. 



15 1. American Golden-eye {Clausula americana). 



L. 20. Ad. cf\ Head greenish; white patch at base of 

 bill circular. Ad. ?. Head and throat brown; breast 

 and back gray, a white throat-ring; belly and specu- 

 lum white. Notes. Rarely a low croak; a high whistle- 

 ling sound produced by wings in flight. 



Range. — North America; breeds from Maine, northern Minnesota, 

 and Alberta, north to Arctic Regions; winters from southern Alaska, 

 the Great Lakes and Maine, south to Mexico and Cuba. 



152. Barrow Golden-eye {Clangula islandica). L. 



20. Ad. c?. Head purplish blue; white patch at base 

 of bill twice as high as wide. Ad. 9 • Resembles 9 of 

 No. 151. Notes. A high whistling made by wings in 

 flight, probably also a low croaking as in No. 151. 



Range.— Northern North America; breeds from Gulf of St. Lawrence, 

 and mountains of Colorado north to southern Greenland; winters south 

 to Virginia, Illinois, and California. 



153. Buffle-head [Charitonetta albeola). L. 14.7. 

 Ad. <$. Head blue, purple, and green; a white band 

 from eye to eye across nape. Ad. 9 . A whitish patch 

 on either side of head; throat and upper parts grayish 

 brown; belly and speculum white. Notes. A single 

 guttural note like a small edition of the Canvas-back's 

 roll. (Elliot.) 



Range.— North America; breeds from Maine, Iowa, ani British 

 Columbia northward; winters from southern limit of breeding range 

 to West Indies and Mexico. 



167. Ruddy Duck {Erismahira jamaicensis). L. 15. 

 Tail-feathers narrow and stiff; bill short (1.5) and 

 broad. Ad. $. Cheeks white, cap black, back red- 

 dish brown. Ad. 9. A whitish streak through dusky 

 cheeks; back grayish brown with fine buffy bars; 

 belly silvery whitish. Yng. tf. Similar, but cheeks 

 all white or whitish. 



Range. — Western hemisphere from northern South America to 

 Hudson Bay; breeds locally throughout its range, but chiefly north- 

 ward: winters from New Jersey, southern Illinois and California 

 southward. 



168. Masked Duck {Nomourx dominicus). L. 14. 

 Tail-feathers long, (4.5) narrow, stiff and pointed. 

 Ad. c?. Front of head black; behind it reddish brown 

 all around; white in wing. Ad. 9- A brownish 

 streak through eye; buffy streaks above and below it; 

 back blackish regularly barred with buff; below washed 



With rusty- 

 Range— Tropical America north to Lower Rio Grande; accidental in 

 Wisconsin, Lake Champlain, and Massachusetts. 



Z~J 



80 



