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 irregula;rly 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.—Wmg, 218-235 (223.9); tail, 73-80 (77.7); exposed 

 cuhnen, 77-86.5 (80.3); tarsus, 49-53.5 (51.2); middle toe, 29-31.5 

 (30.2).« 



Adult female.— Wmg, 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. 



& Seven specimens, from Alaska. 



Locality. 



MALES. 



Eight adult males from Alaska 



One adult male from Bering I., Kamchatka. . 



One adult male from Japan 



Three adult males of V. I. lapponica (Europe) 



FEMALES. 



Seven adult females from Alaska 



One adult female from Japan 



One adult female from China 



Middle 

 toe. 



30.1 

 31 



30.5 

 28.8 



31.7 

 31 



HO. 5 



