424 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



LOBIPES LOBATUS (Linnagus). 



NORTHERN PHALAROPE. 



Adult female in s^nnmer. — Upper parts dull dark slate-gray or 

 blackish slate, the back and scapulars striped with buflF or ochraceous; 

 greater wing-coverts broadly tipped with white; chin, throat, and 

 under parts of body immaculate white; sides of neck, foreneck, and 

 chest plain cinnamon-rufous; bill black; iris dark brown; legs and 

 feet bluish gray, the toes with joints darker gray or dusky. 



Aelult male in summ'^^r. — -Similar to the female, but slightly smaller 

 an(i decidedly duller in coloration, the dusky gra^^ish of upper parts 

 duller and less uniform, the cinnamon-rufous of neck almost confined 

 to sides of neck, the chest mixed white and grayish, more or less 

 tino;ed with cinnamon-rufous. 



Winter plumage (sexes alike). — Forehead, superciliary stripe, sides 

 of head and neck, and under parts, white, the sides of chest washed 

 or clouded with pale gray; pileum grayish, the feathers with dusky 

 shaft-streaks and whitish margms ; a blackish spot in front of eye ; 

 suborbital and auricular regions mixed dusky and grayish white; 

 upper parts chiefly gray. 



Young. — Pileum dusky, with or without streaks; back and scapu- 

 lars blackish, distinctly margined with buff or ochraceous; middle 

 wing-coverts margined with buff or whitish; auriculars dusky; 

 forehead, lores, supra-auricular stripe, and under parts white, the 

 chest and sides of breast sometimes suffused with dull brownish. 



Downy young. — General color of upper parts tawny or brownish 

 tawny (sayal brown) ; crown and occiput mostly black (sometimes 

 wholly so), or heavily clouded or marbled with black; a black post- 

 auricular spot or patch; rump with a broad median stripe of black, 

 edged along each side by a narrow stripe of white or pale buffy, the 

 remaining upper parts more or less spotted or marbled with blackish; 

 sides of head (except as described), chin, throat, and foreneck pale 

 cinnamon or buff, the remaining under parts dull white, shaded 

 posteriorly with pale grayish brown. 



Adult male.—Wmg, 102-109 (105.1); tail, 46-50 (48.3); culmen, 

 21-23 (22); tarsus, 18-20 (19.2); middle toe, 18-20.5 (19. 5). « 



a Eleven specimens. 



