TRINQA. 159 



out claw ; median upper tail-coverts dusky ; lower parts white 

 and blackish in summer adult. (Subgenus Pelidna CUVIER.) 

 e l . Summer adult : Above light dull rusty or tawny, streaked and 

 spotted with blackish ; anterior lower parts white, or 

 grayish white, streaked with dusky; belly covered by a 

 more or less continuous patch of blackish. Winter plumage: 

 Above plain ash-gray or brownish gray, sometimes with 

 indistinct dusky shaft-streaks; an indistinct superciliary 

 stripe and lower parts white, the neck and chest indis- 

 tinctly streaked with grayish, the sides and flanks some- 

 times also sparsely streaked. Young : Back and scapulars 

 dusky, the feathers broadly bordered with rusty, ochra- 

 ceous, or buffy, this becoming paler (often whitish) on tips 

 of some feathers ; wing-coverts bordered with buffy ; top 

 of head light rusty, streaked with blackish ; sides of head 

 and neck dull buffy, indistinctly streaked with dusky; 

 lower parts white, the breast and belly spotted with 

 black. 



f 1 . Smaller and duller in color. Summer adult with back 

 varied with dull ochreous or buffy, and blackish of belly 

 not in strong contrast with speckled or otherwise va- 

 ried dull grayish of breast. Downy young : " Covered 

 with rather close down; crown velvety black, this 

 color narrowing to a point on the forehead, and mar- 

 gined all around with buffy white ; hind crown slightly 

 spotted with white; upper parts deep black slightly 

 varied with rufous, and dotted here and there with 

 white; sides of the head white with a warm buffy 

 tinge ; a dark streak passes from the base of the bill 

 over the eye, and another below it, and behind the eye 

 there is a dark patch; rest of under-parts grayish 

 white." (DRESSER.) Length about 7.50, wing 4.30-4.75, 

 culmen 1.15-1.40, tarsus .85-1.00, middle toe .70-.75. 

 Eggs pale olive-buff, spotted, somewhat spirally (some- 

 times speckled), with different shades of vandyke- 

 brown and purplish gray. Hob. Europe, etc.; acci- 

 dental or casual in eastern North America (west side 

 of Hudson's Bay).... 243. T. alpina (LiNN.). Dunlin. 

 / 2 . Larger and brighter colored. Summer adult with back, 

 etc., varied with bright rusty ochraceous, and black of 

 belly conspicuously contrasted with nearly immaculate 

 grayish white of breast ; length 7.60-8.75, wing 4.60- 

 4.95, culmen 1.40-1.75, tarsus 1.00-1.15, middle toe .70- 

 .80. Eggs 1.43 X 1-01, dull brownish or grayish buff or 

 olive-buff, blotched, spotted, and stained with chestnut- 



