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



Saskatchewan — Prince Albert, April 23. New Mexico — Clayton, 

 March 7; Santa Fe, April 5. Colorado — Colorado Springs, April 17. 

 Wyoming — Casper, April 23. Montana — Libby, April 19 (median of 

 9 years. May 10). Alberta — Erskine, May 26. Washington — 

 Everson, April 5 (median of 5 years, April 18). British Columbia — 

 Vancouver, April 9. 



Late dates of spring departure are: Florida — Tallahassee, May 31. 

 Georgia — Tifton and Demorest, May 7. South Carolina — Charleston, 

 May 28. North Carolina — Raleigh, May 15. Maryland — Laurel, 

 June 11. Louisiana — Baton Rouge, May 18. Arkansas — Stuttgart, 

 May 21. Illinois — Chicago, June 2. Ohio — ^Buckeye Lake, median 

 May 22. Texas — Tyler, May 23. New Mexico — Clayton, May 29. 



Early dates of fall arrival are: Texas — Sin ton, October 19. New 

 Mexico — Los Alamos, October 29. North Dakota — Jamestown, 

 September 26. Ohio — Buckeye Lake, median September 15. Ken- 

 tucky — Bowling Green, September 25. New Jersey — Newark, 

 October 12. Maryland — Laurel, September 23. North Carolina — 

 Weaverville, October 20. South Carolina — Charleston, September 

 28. Georgia — Fitzgerald, October 15. Alabama — Dauphin Island, 

 October 19. Florida — northwestern Florida, November 7; Talla- 

 hassee and Fernandina, November 15. 



Late dates of fall departure are: Ohio — Buckeye Lake, median 

 November 8. Kentucky — Danvillle, November 15. New Bruns- 

 wick — Scotch Lake, November 19. New Hampshire — New Hampton 

 December 30 (median of 21 years, November 30). Massachusetts — 

 Nantucket, November 20. Maryland — Laurel, November 16. 



Egg dates. — Georgia: 5 records, June 19 to July 31. 



Illinois: 12 records, August 7 to August 29. 



Maryland : 40 records, July 26 to September 15 ; 20 records, August 5 

 to August 15. 



Massachusetts: 36 records, July 26 to August 27; 20 records, 

 August 4 to August 16. 



Michigan: 566 records, July 5 to September 17; 300 records, July 25 

 to August 30. 



New Brunswick: 11 records, July 9 to August 8. 



New York: 43 records, June 21 to September 2; 22 records, July 26 

 to August 8. 



Ontario: 37 records, June 14 to August 30; 19 records, July 19 to 

 August 7. 



