418 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
half the interdigital spaces) and with broad, deeply scalloped lateral 
margins or lobes. 
Coloration.—Summer adults with under parts vinaceous-brown or 
purplish cinnamon, the female with sides of head white and fore 
part and top of head blackish slate, the male similar but with pileum 
streaked with buff and white on sides of head more restricted; winter 
plumage white below, mostly bluish gray above. 
Range.—Circumpolar regions south in winter to Chile, Falkland 
Islands, etc. (Monotypic.) 
PHALAROPUS FULICARIUS (Linnzus). 
RED PHALAROPE. 
Adult female in summer.—Anterior and upper parts of head, 
including chin, anterior portion of malar and loral regions, and entire 
pileum down to upper eyelid (except posterior portion) uniform dark 
gray or blackish slate; sides of head, including greater part of loral 
region and whole of suborbital and malar regions, immaculate white; 
neck, all round, and entire under parts deep purplish cinnamon or 
vinaceous-brown; hindneck mixed slate color or slate-gray and 
cinnamon; back and scapulars light ochraceous or buff, striped with 
black; wing-coverts slate color or deep slate-gray, the greater coverts 
tipped with white; remiges slate-dusky; axillars and under wing- 
coverts white, the coverts along edge of wing grayish dusky; bill 
greenish yellow * (in life), the tip black; iris brown; legs and feet 
pale grayish blue (in fife).¢ 
Adult male in summer.—Similar to the female but slightly smaller 
and decidedly duller in coloration; pileum and hindneck streaked with 
ochraceous or buffy, white on sides of head more restricted and less 
sharply defined, and cinnamomeous of under parts usually slightly 
paler and broken, more or less, by admixture of white. 
Winter plumage (sexes alike).—Head, neck, and under parts pure 
white, the occiput and orbital region slate color or blackish slate; 
upper parts plain light bluish gray. 
Young.—Pileum, hindneck, back, and scapulars dull black, the 
feathers edged with pale tawny or brownish buff; wing-coverts, 
rump, and upper tail-coverts slate-grayish, the middle wing-coverts 
margined with pale buff, the upper tail-coverts with ochraceous or 
tawny; head and neck (except as described) and under parts white, 
the throat and chest tinged with brownish buff. 
Downy young.—Forehead, sides of head and neck (including a 
broad superciliary stripe), chin, throat, foreneck, and chest dull 
brownish buff, the forehead more brownish; crown brown (light 
snuff brown or saccardo umber) medially, black laterally, the black 
