Late dates of the departure of transients in spring are: Florida--Daytona Beach, May 21. Georgia--Darien, May 20. South Carolina--Clemson (College), May 15. North Carolina--Raleigh, May 19. Virginia--Charlottesville, May 22. District of Columbia--Washington, May 30. Pennsylvania--Berwyn, June 3. Ohio--Ashtabula, May 29. Indiana--Fort Wayne, June 2. Michigan--Detroit, June 2. Illinois--Lake Forest, June 8. Wisconsin--Racine, June 4. Iowa--National, May 27. Late dates of fall departure are: North Dakota--Fargo, October 21 (bird banded). Minnesota--Minneapolis, October 3. Wisconsin--Milwaukee, October 16. Iowa--Sigourney, October 20. Illinois--Chicago, October 25. Michigan--Grand Rapids, November 1. Indiana--Indianapolis, October 14. Ontario--Port Dover, October 27. Ohio--Medina, October 30. Kentucky--Eubank, October 22. Tennessee--Athens, October 18. Mississippi--Gulfport, October 12. Quebec--Montreal, October 15. New Brunswick--Saint John, October 11. Maine--Portland, October 17. New Hampshire--Water Village, October 8. Massachusetts--Cambridge, November 7. New York--Fire Island, October 24. Pennsylvania--Harrisburg, October 24. District of Columbia--Washington, October 29. Virginia--Lexington, October 15. North Carolina--Highlands, November 14. South Carolina--Clemson (College), October 17. Georgia--Athens, November 2. Florida--Fernandina, November 15. Early dates of fall arrival are: Wisconsin--New London, August 23. Michigan--Grand Rapids, August 26. Ohio--Toledo, August 24. Illinois--La Grange, August 24. District of Columbia--Washington, August 21. Virginia--Charlottesville, September 12. North Carolina--Mount Mitchell, September 1. South Carolina--Mount Pleasant, August 30. Georgia--Savannah, August 28. Florida--Coconut Grove, August 29. Cuba--Cienfuegos, September 2. Dominican Republic--El Río, October 5. Puerto Rico--Las Marías, October 12. _Casual records._--On the Farallon Islands, Calif., a specimen was found dead on November 17, 1886; it had been previously observed for three weeks. In New Mexico a specimen was taken at Gallinas Mountain on October 8, 1904, and on October 9, 1938 another was collected in Milk Ranch Canyon near Fort Wingate. In Bermuda a specimen was collected October 2, 1902; and it is considered a rare winter visitor. An individual spending the winter at a feeding stand in the suburbs of Washington, D. C., was observed closely from December 22, 1930, to January 16, 1931. At sea the black-throated blue warbler has been observed on October 27, 1921, 12 hours run out from Port-au-Prince, Haiti, toward New York; and on March 29, 1918, in the Gulf of Mexico, 125 miles from Sabine Pass, La.