348 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



dusky brownish (olive-greenish, grayish olive or grayish green in 

 life). 



Winter i^lumage. — ^Pileum, hindneck, back, scapulars, and wing- 

 coverts nearly uniform brownish gray, the upper parts without dis- 

 tinct, if any, blackish spots; foreneck and chest very pale brownish 

 gray (usually white or nearly so medially) indistinctly streaked with 

 brownish gray; otherwise essentially as in summer. 



Young. — " Differs from the adults in being closely spotted on the 

 upper surface, but the spots are more or less rufescent; the lower 

 throat and chest are ashy as in the winter plumage of the adults, but 

 the dusky-brown stripes are very distinct and are also visible on the 

 sides of the body; the axiUaries are pure white, or with the merest 

 trace of f recklings of brov/n." <^ 



Downy young. — Forehead, sides of head and neck (including a 

 broad superciliary stripe) and under parts duU grayish white or 

 brownish white, more or less tinged, especially on head, w^ith pale 

 brownish gray; a sharply defined narrow loral streak of black, 

 extending from bill to eye; a postocular streak of black, narrow 

 anteriorly, nmch broader posteriorly; forehead with a median 

 narrow stripe of mixed black and brownish gray; crown sooty blackish 

 laterally (broacUy), light grayish brown medially; occiput sooty 

 blackish laterally, with a pair of oblique spots of pale huffy grayish, 

 the black extending as a stripe down median portion of nape and 

 hindneck; general color of upper parts sooty black or dark sooty 

 brown, slightly intermixed with light huffy brown or drab, the rump 

 with a median rather broad stripe of sooty black and two lateral 

 narrow stripes of pale grayish buff or dull buffy whitish. 



Adult male.— Wing, 115-123.5 (118.8); tail, 43.5-51 (46.8); ex- 

 posed culmen, 25-32 (28.1); tarsus, 33-41 (36.6); middle toe, 

 25-28 (26.8).^ 



Adult female.~Wmg, 117-125.5 (120.4); tail, 47-53.5 (49.6); ex- 

 posed culmen, 28-30.5 (29.2); tarsus, 35-41 (37.6); middle toe, 

 25.5-32 (28.2).^ 



« Sharps, Cat. Birds Brit. Mus., xxiv, 1896, 495. 

 ^ Eleven specimens. 



^ Ten specimens. 



Locality. 



MALES. 



Four adult males from Europe (one from Aldabra Island) 



Six adult males from eastern and southwestern Asia 



FEMALES. 



Two adult females from Europe 



Eight adult females from eastern Asia 



One adult female from Alaska (Sanak Island, Aleutian chain) 



Wing. 



119 

 118.7 



120.2 

 120.4 

 120.6 



Tail. 



46.1 

 47.3 



47.5 

 50.2 

 48.5 



Ex- 

 posed 



cul- 

 men. 



26.8 



28.7 



29.5 



29 



29.7 



Tarsus. 



35 

 37.7 



37 



37.8 



37.1 



Middle 

 toe. 



26.4 

 27.1 



26.'2 

 28.2 

 32 



