110 U.S. NATIONAL MUSEUM BULLETIN 237 pabt i 



March 30; Wiseton, April 1. New Mexico — Clayton, May 14. 

 Colorado — near Denver, May 7. 



Late dates of spring departure are: Panama — ^Lerida, May 10. 

 El Salvador — Chilata, April 30. Haiti — Caracol, April 26. Chia- 

 pas — near Comitan, April 13. Campeche— Ichek, April 21. Guer- 

 rero — ^April 10. Veracruz — ^MaylS, Florida — Sarasota, May 19; 

 Daytona Beach and Fort Pierce, May 11. Alabama — Dauphin 

 Island, May 25. Georgia — Savannah, May 21. Mississippi — Deer 

 Island, May 25. Illinois — Chicago, June 1 (average of 15 years. 

 May 27). Ohio — Buckeye Lake, median, June 2. Louisiana — 

 Shreveport, May 19. Texas — ^Houston, May 16. New Mexico — 

 Clayton, May 25. 



Early dates of fall arrival are: Texas — Cove, September 13. 

 Ohio — Buckeye Lake, median, August 26. Illinois — Chicago, Au- 

 gust 29. New Jersey — Island Beach, September 12 (median of 6 

 years, September 16). Maryland — Ocean City, September 8 (median 

 of 9 years, September 18). Guanajuato — Irapuato, October 8. 

 Guerrero — October 1. Chiapas — Socoltenango, September 3. El 

 Salvador — Rio Goascoran, October 26. 



Late dates of fall departure are: Alberta — ^Veteran, August 29. 

 Montana — Three Forks, September 23. North Dakota — Cass 

 County, September 19 (average, September 11). South Dakota — 

 Columbia, October 9. Nebraska — western Saline County, October 

 23. Kansas — Lake Quivira, Johnson County, October 11. Okla- 

 homa — ^Edmond, November 13. Texas — Sin ton, November 25 (me- 

 dian of 5 years, November 24). Minnesota — Faribault, October 15; 

 Minneapolis and Lanesboro, October 4 (average of 8 years for southern 

 Minnesota, September 25). Wisconsin — ^Madison, October 15. 

 Iowa — Sioux City, October 8. Ontario — Point Pelee, October 14; 

 Gait, October 10. Michigan — Battle Creek, October 5 (median of 12 

 years, September 24). Ohio — Columbus and Cleveland, October 16 

 (average for central Ohio, October 1). Indiana — Richmond, October 

 17. Illinois — Chicago, October 24 (average of 7 years, October 8). 

 Missouri — St. Louis, November 2. Kentucky — Bowling Green, 

 October 16. Tennessee — Knox County, October 25. Arkansas — 

 Winslow, October 15. Mississippi — Gulf port, December 13 and 

 November 7. Louisiana — New Orleans, November 2. Nova Scotia — 

 Brier Island, October 22. Quebec — St. Bruno, September 27 (median 

 of 15 years for Province of Quebec, September 10). Maine— South 

 Portland, October 28. New Hampshire — New Hampton, October 9 

 (median of 21 years, September 25). Vermont — Putney, October 3. 

 Massachusetts — Martha's Vineyard, October 19 (median of 12 years, 

 September 18). Rhode Island — Providence, October 4. Connecti- 

 cut — Portland, October 20. New York — ^Astoria, December 7; 



