268 U. S. NATIONAL MUSEUM BULLETIN 211 



May 1. New Hampshire — Manchester, May 1. Maine — Brunswick, 

 April 17; New Vineyard, April 22. Quebec — Westmount, May 1. 

 New Brunswick— Scotch Lake, May 12. Louisiana— Bains and 

 Thibodaux, April 3; Ouachita Parish, April 7. Mississippi — Ed- 

 wards. March 30. Arkansas — Monticello, April 4. Tennessee — 

 Nashville, April 7 (median of 11 years, April 15). Kentucky— 

 Casky, April 3. Missouri — Independence, March 28; Columbia, 

 April 2 (median of 17 years, April 22). Illinois — Hinsdale, March 27; 

 Ohiey, March 28; Chicago region, April 19 (average, May 3). In- 

 diana — Knox County, March 24; Logansport, March 28. Ohio — 

 Canton, March 28; Buckeye Lake, April 24 (median, April 29). 

 Michigan — Ann Arbor, April 11; Blaney Park, May 13. Ontario- 

 Toronto, April 12; Ottawa, May 3 (average of 31 years, May 10). 

 Iowa — McGregor, April 7. Wisconsin — LaCrosse, April 5; Superior, 

 April 16. Minnesota — St. Cloud, April 20 (average of 34 years in 

 southern Minnesota, May 5) ; Stearns County, April 28 (average of 

 22 years in northern Minnesota, May 10). Texas — Troup, March 30; 

 San Patrico County, April 2. Oklahoma — Oklahoma City, March 28 

 (median of 10 years, April 26). Kansas — Hays, April 18. Nebraska- 

 Red Cloud, April 23 (median of 24 years, May 2). South Dakota — 

 Yankton, April 26. North Dakota— Devils Lake, May 4; Cass 

 County, May 1 1 (average, May 16). Manitoba— Treesbank, April 30 

 (average, May 18); Margaret, May 7. Saskatchewan — Sovereign, 

 April 26; South Qu'Appelle, April 28. Colorado — Lamar, May 6. 

 Wyoming — Guernsey, May 6. Alberta — Morrin, May 11; Camrose, 

 May 14. 



Late dates of spring departure are: Colombia — Rio Frio, March 10. 

 Panama — Jesusito, April 20. Costa Rica — El General, April 28 

 (median of 11 years, April 20). El Salvador — Hacienda Chelata, 

 April 27. Honduras — Tela, April 23. Guatemala — Quirigua, April 

 17. Veracruz — Cuithihuac (20 miles southeast of), May 1. Ber- 

 muda — Nonsuch Island, May 5. Florida — Pensacola, May 27 ; Amelia 

 Island, May 13. Alabama — Woodbine, May 10. Georgia — Athens, 

 May 22. South Carolina — Spartanburg, May 14. North Carolina — 

 Highlands, June 6. District of Columbia, June 10. Maryland — 

 Laurel, June 12 (median of 6 years, May 19). Illinois — Chicago, 

 May 31 (average of 16 years, May 25). Texas — Commerce, May 30 ; 

 Dallas, May 18. 



Early dates of fall arrival are: Texas — Atascosa County, August 3. 

 Minnesota — Minneapolis, July 2. Illinois— Chicago, August 4 (aver- 

 age of 12 years, August 15). Connecticut — Middletown, June 30. 

 New York— Brooklyn, July 2. Maryland —Laurel, July 28 (median 

 of 7 years, August 8). Virginia— Naruna, August 24. North Caro- 

 lina—Chapel Hill, August 23. Georgia — Young Harris, August 14. 



