52 U.S. NATIONAL MUSEUM BULLETIN 237 part i 



Jersey — Camden, April 4; Maplewood and Long Branch, April 23. 

 New York — Northport, April 16; Cayuga and Oneida Lake basins, 

 April 28 (median of 10 years, May 4). Connecticut — West Hartford, 

 April 25; Portland, May 1 (average of 32 years. May 7.) Rhode 

 Island — Providence, April 9. Massachusetts — Martha's Vineyard, 

 April 15 (median of 5 years, April 20). Vermont — St. Johnsbury, 

 May 2. New Hampshire — Walpole and Monroe, May 3; New 

 Hampton, May 4 (median of 21 years, May 8). Maine — Cumberland 

 MUls, April 19; Springvale, April 27. Quebec — Montreal, April 28 

 (median of 20 years for Province of Quebec, May 10). New Bruns- 

 wick — Grand Manan and St. Andrews, May 16. Nova Scotia — Port 

 Joli, April 10; Bon Portage, April 15. Newfoundland — Tompkins, 

 May 24. Louisiana — Shreveport, April 8; Grand Isle, April 16. 

 Mississippi — Gulf port, April 15. Arkansas — Perry ville, April 12. 

 Tennessee — Knox County, April 3 (average, April 28); Nashville, 

 April 15. Kentucky — Bowling Green, April 18. Missouri — St. 

 Louis, April 12 (median of 13 years, April 26). Illinois — Murphysboro, 

 April 12 (average. May 6); Urbana, April 22 (median of 20 years, 

 April 30). Indiana — Bloomington, April 21. Ohio — Paines ville, 

 April 14; central Ohio, April 24 (median of 40 years. May 2) ; Oberlin, 

 April 27 (average of 18 years. May 2). Michigan — Detroit, April 19 

 (mean of 10 years, AprU 22); Battle Creek, April 29 (median of 33 

 years. May 4). Ontario — Ottawa, May 8 (average of 20 years. May 

 13). Iowa — Nevada, April 21 ; Sioux City, April 26 (median, May 3). 

 Wisconsin — Milwaukee, April 8; Kenosha and Wausau, April 10. 

 Minnesota — Winona, April 25 (average of 31 years for northern 

 Minnesota, May 4). Texas — Sin ton, March 19 (median of 7 years, 

 April 21). Oklahoma — Tulsa, April 8; Oklahoma City, April 25. 

 Kansas — Mound City, April 18; median of 25 years for northeastern 

 Kansas, May 2. Nebraska — Fairbury, April 17; Red Cloud, April 

 27 (median of 15 years, May 7). South Dakota — Yankton, April 20. 

 North Dakota — Kenmare, May 5; Cass County, May 8 (average. 

 May 14). Manitoba — Margaret, April 28; Aweme, May 12 (average 

 of 14 years, May 16). Saskatchewan — McLean, AprU 17; Big River, 

 May 1. New Mexico — Albuquerque, May 5. Colorado — Boulder, 

 May 6. Wyoming — Torrington, May 11. California — Glendale, 

 April 23. Alberta — Flagstaff, May 8. British Columbia — Tupper 

 Creek, May 25. 



Late dates of spring departure are: Colombia — Valparaiso, March 

 29. Costa Rica — San Isidro del General, April 15. Guatemala — 

 Quirigua, April 7. El Salvador — Chilata, April 22. Oaxaca — Tutla, 

 April 30. Veracruz — Jalapa, April 18. San Luis Potosi — Tamazun- 

 chale, April 29. Haiti — Poste Charbert, April 26. Bermuda — St. 

 Georges, April 15. Florida — southern peninusla, May 23. Ala- 



