SANDERLING. 



147 



mated toes of the present species are always a relialsle distinguishing 

 mark. 



This is an eastern species, which prefers the shores of the Atlantic 

 as its line of travel, passing up north in spring. It is tolerablj' 

 «ommon in Manitoba and the North-West, but is not seen in Alaska. 

 Its centre of abundance seems to be the shores of Labrador and 

 Hudson's Bay, where it breeds in great numbers. They can raise 

 only one brood, for they return from the north befor'e August is out, 

 and soon pass on south, where they are said to winter from the 

 Carolinas southward. ' 



Genus CALIDRIS Civiee. 

 CALIDRIS ARENARIA (Linn.). 



10.5. Sanderling. (-248) 



Adnfl ill Hiuiiiiier: — Head, neck and upper part.s varied with Idack, a.shy and 

 Ijright reddish; below, from the breast, pure white; tail, except central feather.s, 

 light-ash, nearly white ; primaries, gray with blackish edges and tips, the 

 shafts of all and bases of most, white ; secondaries, white, except a space at the 

 end, and greater' coverts l»roadly white tipped; bill and feet, l>lack. Adult in 

 ifinler and yoiiiKj : — No reddish; speckleil with ))lack and white; sometimes 

 tawny tinged on the jiigulum. Length, 7^-8; wing, ^h-^1■, tail, 2| ; IiiU, about 1 ; 

 tarsus, 1, or rather less; middle toe and claw, J. 



Hab. — Nearly cosmopolitan, breeding in the Arctic ami suliarctic regions, 

 migrating in America, south to Chili and Patagonia. 



Nest, a hollow in the ground, lined with grass and dead leaves. 



Eggs, two to four, greenish-brown, spotted and blotched witli brown of 

 .cliiTerent shades. 



