VOL. VI.] TEREK SANDPIPER IN KENT. 75 



sandy-brown. Tail bronzy -grey. Primaries and 

 lesser wing-coverts blackish-brown. Secondaries 

 brown, tipped and edged with white, the innermost 

 together with the innermost wing-coverts being 

 more or less mottled with sandy-brown. 



U nder-yarts : White, with the sides of the neck 

 and flanks much mottled with brown and the throat 

 and breast finely streaked with brown. 



Wing 126 ; bill 49 (curved upwards) ; tarsus 27 mm. 



Male — Winter-plumage. Much the same as above, 

 but more ashy-grey on upper-parts with very little 

 of the brown mesial-markings and less distinct lines 

 on the scapulars. Under-parts white, the sides of 

 the neck and breast being washed with grey. 



Fe:nl\.le. Very similar to the male, but rather less 

 clearly marked with black-brown on the upper- 

 parts. 



Juvenile, Much as the adult in winter, but the colours 

 less pure and the black-brown markings on the 

 scapulars ill-defined. H. F. Witherby. 



Distribution. 



This bird is confined to northern Russia and Asia 

 during the breeding-season, and an excellent account of 

 its distribution during that period has been contributed 

 by Mr. Sergius Buturlin to Mr. Dresser's work on the 

 Egrjs of the Birds of Europe (p. 726) which is quoted 

 below : "It breeds from the valley of the Onega in the 

 west to the Kolyma basin in the east, but as it has been 

 mot with in Kamtschatka, as a straggler on the Commander 

 Islands, and as it visits the central parts of the Anadyr 

 in the spring, it may possibly breed somewhere on the 

 Anadyr ; it breeds numerously in the delta of the Dvina, 

 is found near Mezen, ranges north to 68° on the Petchora, 

 to 67^ 30' N. lat. on the Ob, but much further north on 

 the Yenesei, as Popham met with it near the limit of forest 

 growth which there, between Dudinka and Kestrovaia, 



