BIRDS OF NOBTH AND MIDDLE AMERICA. 



769 



slaty brown on pileum, back, and scapulars, the remiges and rectrices 

 with subterminal spots of duskyj under parts usually marked, more 

 or less distinctly, on abdomen, sides, and flanks with narrow bars of 

 clear slaty brown, but these sometimes wholly absent; bill black; 

 iris lemon yellow; claws black;. length (skins), 530-600 (558); wing, 

 394-422 (408.1); tail, 220-244 (230.2); culmen, from cere, 24.5-27.5 

 (25.7)." 



AduU female. — Much darker than the adult male, only the face, 

 foreneck, median portion of breast, and the feet being immaculate, 

 other portions being heavily barred with dark brownish slate, the 

 pileum and hindneck spotted with the same; bill, etc., as in adult 

 male; length (skins), 590-710 (647); wing, 425-465 (446.4); tail, 

 235-275 (254); cubnen, from cere, 26-28 (27.5).* 



Young. — 'Uniform dusky brown or deep sooty grayish, paler on 

 legs and feet. 



Northern portion of Northern Hemisphere; in North America 

 breeding from far within the Arctic Circle southward to northern 

 Ungava, central Keewatin, central Mackenzie, and northern British 

 Columbia;* in winter southward to more northern United States, 

 irregularly (according to severityof the season), but sometimes numer- 

 ously, to Virginia, Illinois, Kansas, Colorado (Fort Collins; Colorado 

 Springs; near Breckenridge; West Valley), and mouth of Columbia 

 River, casually or rarely to South Carolina (Chester County, Decem- 

 ber, 1886; near Winnsboro, Fairfield County, Nov. 28, 1908); Lou- 

 isiana (Baton Eouge; Bayou des AUemands, winter of 1878-79), 

 Texas, and California (Sonoma, Alameda, and Santa Cruz courfties) ; 



■^ Fourteen specimens. 

 f> Eleven specimens. 



Locality. 



Wing. Tail. Culmen. 



MALES. 



One adult male from northern Europe 



One aduit male from Labrador 



One adult male from Vermont 



Seven adult males from Alaska 



Four adult males from Bering Island, Kamchatka 



FEMALES. 



Two adult females from Ungava and Labrador . . . 



Six adult females from Mackenzie 



Three adult females from Bering Island 



c It has been claimed that this species breeds as far southward as lat. 53° in Lab- 

 rador, in Newfoundland, Nova Scotia, New Brunswick, northern Maine, northern 

 New York (Adirondack Mountains), and norjihem Manitoba (Lake Winnipeg); but 

 the records have not been verified. 



3622°— Bull. 50, pt 6—14 19 



