Early dates of fall arrival are: Manitoba—Winnipeg, August 20. North Dakota—Fargo, September 18. Minnesota—Minneapolis, August 25. Wisconsin—Green Bay, August 1. Illinois—Chicago, August 19. Ontario—Cobalt, August 12. Michigan—Whitefish Point, August 5. Ohio—Toledo, August 14. New Hampshire—Pequaket, August 24. Vermont—Wells River, August 4. Massachusetts—Harvard, August 30. New York—Rhinebeck, August 3. Pennsylvania—Pittsburgh, August 28. District of Columbia—Washington—August 4. Virginia—Charlottesville, September 4. North Carolina—Weaverville, September 15. South Carolina—Charleston, September 13. Georgia—Savannah, September 23. Florida—Sombrero Key, September 17. Bahamas—Cay Lobos, October 20. Cuba—Santiago de las Vegas, September 20. Dominican Republic—Sánchez, October 23. Puerto Rico—Faro de Cabo Rojo, September 17.
Banding.—The one banding recovery available is especially interesting as it indicates a peculiar migration. A Cape May warbler banded at Elmhurst, Long Island, N. Y., on September 12, 1937, was caught by a cat October 15, 1937 at Cleveland, Tenn.
Casual records.—In British Columbia one was collected June 17, 1938, at Charlie Lake. In California one was collected at Potholes on the Colorado River, September 23, 1924. A specimen labeled “Arizona” taken before 1876 is in the museum in Paris. The Cape May warbler has been once observed in Bermuda, April 3, 1909.
Egg dates.—Maine: 2 records, June 6 to 15.
New Brunswick: 68 records, June 10 to 29; 43 records, June 12 to 20; indicating the height of the season.
DENDROICA CAERULESCENS CAERULESCENS (Gmelin)
NORTHERN BLACK-THROATED BLUE WARBLER
Plates 29, 30