26 BULLETIN 107, UNITED STATES NATIONAL MUSEUM. 
land, northern Europe (south to Denmark and Gottland Island in 
the Baltic Sea) and throughout Siberia. 
Winter range.—In North America mainly within the United States 
and principally on the seacoast. From central New York (Tioga 
County) and coast of Maine, south to Florida (Lake Wimlico and 
Amelia Island). West along the Gulf coast to Louisiana. From 
southern British Columbia (Okanagan Lake and Vancouver Island) 
and northwestern Washington (Bellingham Bay) to southern Cal- 
ifornia (along the coast and casually inland). Has been recorded 
as wintering in the Pribilof and Aleutian Islands (Unalaska) and 
southeastern Alaska (Sitka). In the interior winter records are 
mostly from the region of the great Lakes; Ohio, northern Indiana, 
Illinois (Lake Michigan), southern Ontario (Lake Ontario) and 
Michigan. 
Outside of North America the species winters in central and 
southern Europe south to the northern coast of Africa and the Azores, 
In Asia south on the coast of China and Japan to the Tropic of 
Cancer. 
Spring migration—Northward along the Atlantic slope, during 
April and early May. South Carolina: Second week in April. Dis- 
trict of Columbia: Washington, April 17. New Jersey: April 14 to 
23 (latest May 3). New York: Arriving March 20 to April 10, de- 
parting middle of May. Connecticut: Long Island Sound, May 3 
(latest). Massachusetts: May 6 (latest). Maine: Leave late in 
April. 
Northward along the Pacific coast and through the Rocky Moun- 
tain region. California: Santa Cruz Island, April. Oregon: Netarts 
Bay, March 9 to 21. British Columbia: Elk River, April 22. Wy- 
oming: May 15. Alberta: Lily Lake, May 18; Athabaska Landing, 
May 12. Athabaska River: Fort McMurray, May 14. Yukon Ter- 
ritory: Fort Reliance, May 14; Forty Mile, May 20. Southern 
Alaska: Kuin Island, April 28 (arriving) ; Prince of Wales Island, 
May 10-14. Alaska: Lower Yukon at Nulato, last of May. 
Northward through the interior. Kansas: April 15 to 80. Iowa: 
April 19. Illinois: Chicago, April 12 to 27. Ohio: Cedar Point, 
March 25 to April 21; Waverly, April 20 to 28. Michigan: April 12 
to 23. Minnesota: April 23. 
Fall migration.—Southward along both coasts and through the 
interior. Ungava: Koksoak River, September 15. Maine: Arrive 
September. Massachusetts: October 1 (earliest). Connecticut: Sep- 
tember 12 (earliest). New York: Arrive October 10. New Jersey: 
October to November. Virginia: Dismal Swamp, October 9. South 
Carolina: October 25 (earliest). Florida: Hillsboro County, Octo- 
ber 28. Ohio: Waverly, September 17 to October 24; Oberlin, ar- 
