188 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
streaked with dusky; back and scapulars dusky, irregularly spotted 
with whitish and light cinnamon-rufous; rump grayish dusky, the 
feathers margined with white; upper tail-coverts white, spotted with 
dusky; tail brownish gray, irregularly barred and narrowly tipped 
with white; wing-coverts light brownish gray, with dusky shaft- 
streaks and whitish margins, the anterior lesser coverts darker and 
more uniform’ in color; primaries and primary-coverts dusky, the 
proximal primaries margined terminally with white; axillars and 
under wing-coverts white, irregularly marked with brownish gray or 
dusky. 
Adults in winter.—Above plain brownish gray or grayish brown; 
head, neck, and under parts dull whitish, the former streaked with 
grayish brown, the chest and sides irregularly barred with grayish 
‘brown; rump, remiges, tail, etc., as in summer plumage. 
Young.—Above, including wing-coverts, light grayish buff, buffy 
grayish, or pale clay color, coarsely and irregularly spotted with 
dusky, chiefly along median portion of feathers, and showing as 
shaft-streaks on wing-coverts; lower parts dull buffy whitish, shaded 
on chest with deeper grayish buff; otherwise essentially’as in winter 
adults. 
Adult male.—Wing, 218-235 (223.9); tail, 73-80 (77.7); exposed 
culmen, 77-86.5 (80.3); tarsus, 49-53.5 (51.2); middle toe, 29-31.5 
(30.2).2 
Adult female—Wing, 224-240 (232.5); tail, 77-83.5 (80.1); ex- 
posed culmen, 87-114.5 (99.3); tarsus, 51-59 (55); middle toe, 
29.5-33 (31.7). 
Breeding in eastern Siberia (Gichiga; Marcova; Nijni Kolymsk, 
etc., and westward to Taimyr Peninsula), Kamchatka, and western 
Alaska (Kowak Delta, Hotham Inlet, Kotzebue Sound, Lower 
Yukon Valley, etc., to Unalaska); migrating southward through 
Manchuria, Korea, China, Japan, Philippine Islands, Borneo, Ce- 
lebes, and Oceania to Australia, New Hebrides, New Zealand, Nor- 
& Ten specimens, b Seven specimens, from Alaska. 
Ex- . 
Locality. Wing. | Tail. | posed | Tarsus. Maile 
culmen i 
MALES, 
Hight adult males from Alaska... 2.2... .....eccce eee e eee eeeees 224. 6 73.1 80.7] 51.2 30.1 
One adult male from Bering I., Kamchatka.............-....- 223 78 78 51 31 
One adult male from Japan. ..... 2.0.2.2. e eee cece eee eee eee 219 75 77 51.5 30.5 
Three adult males of V. 1. lapponica (Europe)...........2..005 211.5 76.3 77 49.2 28.8 
FEMALES, 
Seven adult females from Alaska.............2..ccceeeneee eens 232. 5 80.1 99.3 55 31.7 
One adult female from Japan...... 2.22202... c cece cece cece eeees 218 73 98 55 31 
One adult female from China................... cece cece eee eeee 202 75 106.5 | “71” 36.5 
