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 wliite 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 (Linnaeus). 



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 romid, 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 bro\^m; legs and feet 

 pale gra^dsh blue (in iife)." 



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 duU black, the 

 feathers edged witli 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 (Uglit 

 snuff brown or saccardo umber) medially, black laterally, the black 



a According to Audubon. 



