TRINGA. 155 
6. Tarsus longer than middle toe and claw, or else toes very slender, without 
distinct lateral membrane. 
c. Exposed culmen not longer than tarsus (or else exceeding it by not 
more than half the length of the basal phalanx of the middle toe), 
and less than half as long as the tail. (Subgenus Actodromas 
Kavp.) 
@. Wing more than 4.50. 
e'. Rump and median upper tail-coverts plain brownish black or 
dusky. 
Ff’. Shafts of all the quills white for a portion of their length; 
exposed culmen shorter than tarsus. Summer adult: 
Top of head bright rusty, streaked with black; scap- 
ulars and interscapulars rusty, tipped with pale gray- 
ish brown and white, and broadly striped with black ; 
superciliary stripe, malar region, chin, and throat, 
white, streaked and flecked with dusky; fore-neck and 
chest buff broadly streaked and spotted with dusky; 
rest of lower parts white, with V-shaped marks of 
grayish brown, except on belly. Winter plumage: 
Above grayish brown (more rusty on top of head), 
streaked and striped with dusky; superciliary stripe 
and lower parts dull white; chest and sides of breast 
pale grayish buff, the former indistinctly streaked with 
dusky, lower tail-coverts with dusky shaft-streaks, 
Young: Whole top of head bright rusty, sharply 
streaked with black; scapulars, etc., bright ochraceous- 
rusty, striped with blackish and bordered terminally 
with white; superciliary stripe, malar region, chin, 
throat, belly, and lower tail-coverts white, the first 
two finely streaked with dusky, the last with dusky 
shaft-streaks. Length about 7.50-9.00, wing 4.90- 
5.50, culmen .95-1.05, tarsus 1.10-1.25. Hab. Western 
coasts and islands of Pacific Ocean, from Australia to 
Kamtschatka and Alaska (numerous and probably 
Dbreeding)...........ssse0es . 238. T. acuminata (Horsr.). 
Sharp-tailed Sandpiper. 
f?. Shaft of outer quill, only, white; exposed culmen longer 
than tarsus. Summer adult: Above light clay-color or 
brownish buff, broadly striped with black; fore-neck 
and chest light buffy grayish, broadly streaked with 
dusky; chin, upper part of throat, and lower parts 
from breast backward, plain white. Winter plumage: 
Similar to summer dress, but upper parts more uni- 
form, with blackish markings less distinct, the lighter 
tints less rusty or buffy. Young: Much like summer 
