166 



BULLETIN 50^ U:N'ITED STATES NATIONAL MUSEUM. 



tipped with pale gray or grayish white; upper tail-coverts pale biiffy 

 brown, irregularly streaked and barred with black; middle rectrices 

 black, their distal portion, abruptly, deep cinnamon or sayal brown 

 with a subterminal lunulate bar of black and a terminal margin of 

 buff or cinnamon-buff, the cinnamon area usually with a few small 

 irregular markings of black; lateral rectrices dull buff 3^ whitish with 

 inner half of inner web dusky broadly tipped with white and with a 

 dusky subterminal bar — the intermediate rectrices intermediate in 

 coloration between that of the middle and lateral pairs; axillars and 

 under wing-coverts white, sometimes immaculate but usually with a 

 few small dusky grayish markings, the coverts near the outer edge 

 of the wing with a few transverse spots or bars of dusky; bill dusky 

 terminally, brownish in dried skins (grayish blue in life)" basally; 

 legs and feet brownish (in dried skins); iris dark brown; legs and 

 feet light brownish in dried skins, pale greenish blue in life." 



Young. — ''Differs from the adult in being more rufous, especially 

 on the throat and neck. The black markings on the neck are more 

 broken up and mottled by rufous bars, and the pale outer bands 

 [stripes] along the scapulars are not so wide." 



Downy young. — "Covered with down of a chestnut color, inter- 

 spersed with black along the back, and prettily variegated with silvery 

 tips to the feathers [sic]; below the eye is a whitish streak, bordered 

 with lines of black; under surface of body bright chestnut, with a 

 black spot on the throat and a black line across the foreneck."^ 



Adult male.— Wing, 123-132 (126.5); tail, 53.5-61 (57.2); exposed 

 culmen, 60-70.5 (64.4); tarsus, 27.5-31.5 (29.9); middle toe, 28-32 

 (29.8).'^ 



Adult female.— Wing, 122-129.5 (126); tail, 50.5-62.5 (55.9); ex- 

 posed culmen, 62-73.5 (66.6); tarsus, 28.5-31 (29.8); middle toe, 

 29.5-31.5 (30.6).^^ 



Europe and northern Asia, north to about latitude 70° N. ; breeding 

 in Iceland, Faroes, British Islands, and eastward to and including 

 Siberia, on Caucasus range at 7,000 feet, in Turkestan, etc. ; wintering 



« According to Macgillivray. 

 c Seventeen specimens. 



b Sharpe, Cat. Birds Brit. Mus., xxiv, 638, 639. 

 <i Ten specimens. 



