694 U.S. NATIONAL MUSEUM BULLETIN 237 part 2 



Harford County, March 6; Laurel, March 11 (median of 8 years, 

 March 21). Pennsylvania — State College, March 17. New York — 

 Cayuga and Oneida Lake basins, March 14 (median of 21 years, 

 March 31). Connecticut — New Haven, March 24. Rhode Island — 

 Providence, March 31. Massachusetts — Martha's Vineyard, March 

 7. Vermont — Rutland, March 27. New Hampshire — Concord, 

 March 26. Maine— Portland, April 6. Quebec— Hatley, March 20. 

 New Brunswick — Grand Manan and Scotch Lake, April 3. Nova 

 Scotia — Wolfville, April 1. Prince Edward Island — North Bedeque, 

 April 9. Newfoundland — St. John's, April 28. Arkansas — Hot 

 Springs, April 2. Tennessee — Nashville, March 8 (median of 10 

 years, March 20). Kentucky — Bardstown, March 3. Missouri — 

 St. Louis, February 26 (median of 13 years, March 10). Illinois — 

 Urbana, March 5 (median of 13 years, March 24); Rantoul, March 

 13; Chicago, March 23 (average of 16 years, April 8). Indiana — 

 Sedan, March 9. Ohio — central Ohio, March 10 (median of 40 years, 

 March 23) ; Oberlin, March 30 (median of 13 years, April 18). Michi- 

 gan — Detroit area, March 27; Battle Creek, April 4 (median of 29 

 years, April 15). Ontario — Toronto, March 20; Ottawa, March 31 

 (average of 14 years, April 14). Iowa — Sioux City, March 27. Wis- 

 consin — Dane County, March 19. Minnesota — Pipestone, March 21 

 (average of 11 years for southern Minnesota, April 15). Texas — 

 Sinton, March 22. Oklahoma — Cleveland County, March 2. Kan- 

 sas — northeastern Kansas, February 21. Nebraska — Holstein, March 

 18; Red Cloud, April 14 (average of 10 years, April 29). South 

 Dakota — Lake Poinsett, April 12; Sioux Falls, April 24 (average of 

 5 years. May 2). North Dakota — northeastern North Dakota, April 

 3 (average of 8 years, April 17); Jamestown, April 15. Manitoba — 

 Treesbank, April 20 (average of 22 years, April 28). Saskatchewan — 

 Lake Johnston, April 27. Mackenzie — Mackenzie River, May 19. 

 Arizona — Ganado, February 10; Tucson, February 15. Utah — 

 Brigham, March 15. Colorado — El Paso County, March 19. Wyo- 

 ming — Laramie, April 13. Idaho — Meridian, March 12. Montana — 

 Bozeman, April 18; Libby, April 21 (median of 5 years, April 23). 

 Alberta — Glenevis, April 20. 



Late dates of spring departure are: Florida — Tallahassee, May 20. 

 Alabama — Birmingham, May 26. Georgia — Savannah, May 28. 

 South Carolina — Charleston, May 13. North Carolina— Buncombe 

 County, May 17; Raleigh, May 13 (average of 8 years. May 6). 

 Virginia — Smith Island, May 19. District of Columbia — May 18 

 (average of 24 years. May 3). Maryland— Laurel, May 23 (median 

 of 7 years. May 7). Connecticut — Portland, May 27. Louisiana — 

 Covington, June 15; Baton Rouge, May 14. Mississippi — Rosedale, 

 May 14. Tennessee — Knox County, May 20. Kentucky — Bowling 



