DIRECTORY TO BIRDS OF EASTERN NORTH AMERICA 71 



with feathers margined with white and the white beneath is 

 tinged with yellowish. Young, differ from the last in being 

 without the yellowish tingeing beneath. Note, a clear, dou- 

 ble whistle, not loud and not often given. Occurs in small 

 flocks often associating with Black-bellied Plover and other 

 beach birds, but frequently alone on sand spits. Northern 

 Hemisphere, breeding far north migrating south in N. A. on 

 the Atlantic coast from the middle of July until the first of 

 Nov. ; winters from the Carolinas southward but is not found 

 on the Bahamas and is rare in the West Indies; migrates 

 northward in May, arriving in N. E. the latter part of the 

 month, when it is not uncommon along the south shore and 

 on Gape Cod, but rare north of Cape Ann. 



d, Feather-legged Stints. Arquatella. 



Medium sized sandpipers with robust form, slender, not 

 long bills, short legs with tibia provided with long feathers 

 the tips of which reach below the tarsal joint, and with round- 

 ed tail, fig. 90. 



1. PURPLE SANDPIPER, A. MARITIMA. 8.50; bill, 

 1.25 : brownish-black above with the scapularies and inter- 

 scapularies irregularly spotted with dull buff and bordered 

 with whitish at tips; white beneath streaked on neck and 



Fig. 90. 



G, B, d, 1, 1-5. 



chest with dusky ; breast, 

 light grayish spotted with 

 darker; bill, dark-brown, 

 orange at base ; feet, green- 

 ish-yellow. Winter, black- 

 ish brown above glossed 

 with purplish, scapularies, 

 interscapularies, and wing 

 coverts bordered with 

 plumbeous, fig. 90. Young 

 differ from the last in hav- 

 ing the dark of upper parts 

 much obscured with plumb- 

 eous and the plumbeous be- 



