46 DIVERS—COLD-WEATHER DIVERS. 
early morning to feed. It is distinguished from the 
other scoters by its forehead, line under the eye and 
nape white, feet orange red, and iris yellow. Length 
1g.00; wing 9.80; tarsus 1.80; extent 31.00; middle 
LOE) 2.25) 
GENUS Gdemia—SuBGENUS Cdemia. 
Qdemia ameritcanus—BiLack Scorer.—Habitat.— 
3oth Atlantic and Pacific coasts; the Great Lakes; 
north through British America; south to the Ohio, 
Missouri and Mississippi rivers. Rather more com- 
mon than the other scoters in the interior, although 
all are represented upon the great lakes of British 
America. The Lake of the Woods, Red, Leech and 
Cass lakes contain thein nearly every year during the 
fall; sometimes all the scoters appear well repre- 
sented, other years but few are to be seen, when they 
are commonly called sea coots. 
They feed upon nearly the same food, and the gen- 
eral habits of one will usually conform to those of the 
others. They are easily distinguished from the other 
scoters, from having no white on the body or head, 
feet dark, and iris brown. Length 20.00; wing 9.00; 
tarsus 1.80; extent 32.00; middle toe 2.65. 
GENUS (demia—SuBGENUS Melanetta, 
Qdemia deglandi—W HITE-WINGED SCOTER, VELVET 
ScoTER, SEA Coot, Surr Ducx.—Habitat.—Both 
ceasts of Northern North America; Great Lakes; but 
more coastwise than O. americanus. On Lake Win- 
nipeg and surrounding lakes it is frequently seen in 
company with both O. americanus and O. perspicil- 
