420 U.S. NATIONAL MUSEUM BULLETIN 23 7 part i 



Mountains), central Colorado (Colorado Springs), Kansas (Lakin, 

 Lawrence), Iowa (Keokuk), southern Indiana (Miller), southern 

 Ohio (Cincinnati), southeastern Virginia (Back Bay), eastern North 

 Carolina (Hatteras), and central and southern South Carolina (Aiken, 

 Kingstree, Bull's Island, and Beaufort County). 



Casual records. — Casual on the island of Malta and at Repulse 

 Bay, Southampton. 



Accidental in Bermuda and the Bonin Islands. 



Migration. — Late dates of spring departure are: South Carolina — 

 Aiken, March 4. North Carolina — Washington, March 25. Virginia — 

 CharlottesvUle, February 23. District of Columbia — March 12. 

 Maryland — Dorchester County, March IL Pennsylvania — State 

 CoUege, April 15. New Jersey — Cape May, March 26. New York — 

 Cayuga and Oneida Lake basins, May 5 (median of 13 years, April 8) ; 

 New York City, May 4. Connecticut — Southport, March 25. Rhode 

 Island — Pawtucket, April 21. Massachusetts — Dan vers, April 14. 

 New Hampshire — New Hampton, April 28 (median of 21 years, 

 April 8). Maine — Portland region. May 19. New Brunswick — 

 Miscou Island, May 26. Nova Scotia — Antigonish, May 2, Prince 

 Edward Island — Charlottetown, April 13. Newfoundland — St. An- 

 thony, April 23. Missouri — Montgomery City, April 12. Illinois — 

 Rantoul, March 20. Indiana — Waterloo, April 3. Ohio — Toledo, 

 March 18. Michigan — Battle Creek, March 25. Iowa — Winneshiek 

 County, April 5. Wisconsin — Green Bay, May 21. Minnesota — 

 Minneapolis-St. Paul, April 17. Kansas — Clearwater, March 21. 

 Nebraska — Gibbon, March 19. Manitoba — Margaret, March 20. 

 Wyoming — Yellowstone Park, April 3. Idaho — Meadow Creek, 

 April 4. Montana — Bozeman, May 16. Alberta — Cranbrook, April 

 20. 



Early dates of fall arrival are: British Columbia — Arrow Lake, 

 November 22. Alberta — Glenevis, October 12. Montana — Fortine, 

 October 30. Idaho — Priest River, October 23. Wyoming — Albany 

 County, November 8. Colorado — Weldona, October 25. Saskatche- 

 wan — Eastend, October 20. Manitoba — Treesbank, October 20. 

 North Dakota — Fargo, October 4. Kansas — Clearwater, October 15. 

 Minnesota — Kittson County, October 4; Minneapolis, October 19. 

 Wisconsin — Eau Claire, September 23; New London, October 15. 

 Iowa — Sioux City, November 10. Michigan — McMiUan, October 

 15. Ohio — Ashtabula, October 20. Indiana — Carroll County, 

 November 5. Illinois — Glen Ellyn, November 6. Missouri — Mt. 

 Carmel, November 4. Prince Edward Island — North River, October 



4. Nova Scotia — Pictou, October 13. New Brunswick — Scotch Lake, 

 October 14. Quebec — Gasp^, October 20. Maine — Phillips, October 



5. New Hampshire — New Hampton, October 12 (median of 13 years, 



