778 U.S. NATIONAL MUSEUM BULLETIN 23 7 pakt s 



Falls, April 29 (average for Sioux Falls, May 9). North Dakota — 

 Red River Valley, April 30. Oregon — Corvallis, April 12. 



Late dates of spring departure are: Florida — Tallahassee and St. 

 Marks Light, April 21. Alabama — Birmingham, May 4. Georgia — 

 Denton, April 22. South Carolina — Horry County, AprU 13. North 

 Carolina — Raleigh, May 3. Vermont — Rutland, May 12. Louisi- 

 ana — Cameron, May 15 Tennessee — Nashville, May 21. Ken- 

 tucky — Bowling Green, May 16. Missouri — St. Louis, May 8. 

 Illinois — Chicago, May 21 (average of 14 years. May 5). Ontario — 

 London, May 14. Iowa — Hudson, May 22. South Dakota — 

 Vermilion, May 6. North Dakota — McKenzie County, May 27. 



Early dates of fall arrival are : South Dakota — Faulkton, September 1 . 

 Illinois — Chicago, October 3. Missouri — St. Louis, October 5. 

 Kentucky — Bowling Green, September 21. Arkansas — Monticello, 

 October 20. Louisiana — Baton Rouge, October 24. Georgia — Fitz- 

 gerald, October 21. Alabama — Birmingham, October 31. Florida — 

 Tallahassee, October 24. 



Late dates of fall departure are: North Dakota — McKenzie 

 County, October 29. South Dakota — Faulkton, November 1. 

 Nebraska — Papillion, October 9. Kansas — northeastern Kansas, 

 October 15. Minnesota — Minneapolis, September 2. Wisconsin — 

 Racine, November 29; Dane County, November 14. Iowa — Blakes- 

 burg, October 27. Ontario — Point Pelee, October 15. Michigan — 

 Birmingham, October 25. Ohio — central Ohio, October 25 (median, 

 October 3). Illinois — Chicago region, November 12. Missouri — St. 

 Louis, November 19. Kentucky — Bowling Green, November 4. 

 New Hampshire — New Hampton, October 23. Massachusetts — 

 Osterville, November 6. Rhode Island — Charlestown, October 14. 

 Connecticut — West Haven, October 27. New York — Shelter Island, 

 November 20; Cayuga and Oneida Lake basins, October 30 (median 

 of 12 years, October 19). New Jersey — Island Beach, October 13. 

 Pennsylvania — State College and Centre Furnace, October 8. Mary- 

 land — Baltimore County, November 21 ; Laurel, October 29. District 

 of Columbia — November 16 (average of 6 years, October 11). Vir- 

 ginia — Charlottesville, October 30. 



Egg dates. — Maryland: 5 records. May 18 to June 26. 



New Jersey: 6 records, May 22 to July 7. 



