TRIXOA. 159 



out flaw; median upper tail-covcrts dusky; lower parts white 

 and blackish in summer adult. (Subgenus Peliclna Cuvier.) 

 . Summer adult: Above light dull rustj- 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 graj-, 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 

 duskj-, the feathers broadly bordered with rusty, ochra- 

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

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

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

 and neck dull buffy, indistinctlj- streaked with duskj- ; 

 lower parts white, the breast and belly spotted with 

 black. 

 /'. 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. Dnumy 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 slightlj- 

 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 gra_yish 

 white." (Dresser.) Length about 7.50. wing 4 30—4.75, 

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

 £ggs pale olive-buff, spotted, somewhat spirally (some- 

 times speckled), with different shades of vandyke- 

 brown and purplish graj-. Ilab. Europe, etc.; acci- 

 dental or casual in eastern North America (west side 

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

 f. 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.G0-8.75, wing 4.G0- 

 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- 



