_Migration._--Late dates of spring departure from the winter home are: Costa Rica--Guayabo, March 18. El Salvador--Volcán de San Miguel, March 22. Guatemala--Nebaj, April 27. Honduras--Lancetilla, March 17. Mexico--Valles, San Luis Potosí, May 2. Puerto Rico--Mayagüez, April 8. Haiti--Port-au-Prince, April 27. Cuba--Habana, April 28. Bahamas--New Providence, April 2. Florida--Pensacola, May 13. Alabama--Birmingham, May 8. Georgia--Atlanta, May 20. South Carolina--Greenwood, May 12. Louisiana--Mansfield, May 2. Mississippi--Oxford, May 8. Tennessee--Nashville, May 17. Arkansas--Helena, May 18. Texas--Bonham, May 6. Oklahoma--Norman, May 3. Early dates of spring arrival are: New York--New York, April 1. Massachusetts--Lynn, April 11. Vermont--St. Johnsbury, April 12. Maine--Portland, April 6. New Brunswick--Scotch Lake, April 11. Nova Scotia--Yarmouth, April 11. Quebec--Hatley, April 22. Newfoundland--St. Anthony, April 25. Labrador--Cartwright, May 24. Illinois--Chicago, March 24. Indiana--Bloomington, March 26. Ohio--Youngstown, April 1. Ontario--Harrow, April 3. Michigan--Sault Ste. Marie, April 9. Missouri--Columbia, March 27. Iowa--Sigourney, April 3. Wisconsin--New London, April 1. Minnesota--Minneapolis, April 4. Kansas--Independence, April 7. Nebraska--Red Cloud, April 1. South Dakota--Brookings, April 7. North Dakota--Fargo, April 13. Manitoba--Aweme, April 12. Saskatchewan--Eastend, April 22. Mackenzie--Simpson, May 7. New Mexico--San Antonio, April 18. Colorado--Colorado Springs, April 17. Wyoming--Laramie, April 15. Montana--Kirby, April 29. Alberta--Glenevis, April 14. Washington--Seattle, March 14. British Columbia--Courtenay, March 31; Atlin, April 21. Yukon--Sheldon Lake, April 26. Alaska--Wrangell, April 29; Fairbanks, May 7. Late dates of spring departure of transients are: District of Columbia--Washington, June 1. Pennsylvania--Warren, June 6. Illinois--Chicago, June 3. Indiana--Waterloo, June 3. Ohio--Oberlin, May 31. Missouri--Concordia, May 25. Iowa--Grinnell, June 1. Nebraska--Nenzel, May 27. North Dakota--Argusville, May 30. California--Red Bluff, May 3. Nevada--Quinn River Crossing, May 21. Washington--Tacoma, May 3.