208 U. S. NATIONAL MUSEUM BULLETIN 211 



Wilmington), and central and northeastern Massachusetts (Amherst, 

 Fitchburg); south through eastern and central-southern North 

 Dakota (Devils Lake, Bismarck), central South Dakota (Stamford, 

 Grass Creek), central Nebraska (Fort Niobrara Refuge, North 

 Platte), northeastern Colorado (Wray), central-northern and western 

 Texas (Amarillo, Marfa) to central Durango, central Nuev6 Leon, 

 northern Tamaulipas, southern Texas (Hidalgo, Brownsville), the 

 Gulf coast, and northern Florida (Aucilla, Saint Augustine). 



Winter range. — Winters from Colima, Guerrero, Puebla (Huexo- 

 titla), central Veracruz (Jalapa), Yucatdn, and Quintana Roo 

 (Cozumel Island) ; south to southern and central-eastern Colombia and 

 northwestern Venezuela; in migration west to southern Sinaloa 

 (Labrados, Rosario) and Nayarit (San Bias) ; and east through 

 peninsular Florida, the Florida Keys, and western Cuba. 



Casual records. — Casual in New Mexico (Hagerman), central 

 Colorado (Denver, North Creek), Wyoming (New Castle), western 

 South Dakota (Buffalo Gap, Grand River Agency), south-central 

 Manitoba (Lake Saint Martin), northern Michigan (McMillan, 

 Onaway), southern Quebec (La Colle), northern Vermont (Middle- 

 burry, Orleans), central New Hampshire (Grafton County), southern 

 Maine (Auburn, Calais), New Brunswick (Grand Manan) and Nova 

 Scotia (Cape Sable Island). 



Accidental in California (Eureka) and Nevada (Halleck) . 



Migration. — Early dates of spring arrival are: Costa Rica — El 

 General, February 24. Cuba — Havana, April 10. Florida — De 

 Funiak Springs, March 15; Pensacola, March 22 (median of 40 years, 

 March 30); Fort Myers, March 28 (median of 7 years, April 12). 

 Alabama — Mobile, March 30; Decatur, April 6. Georgia — Savannah, 

 March 18; Tifton, March 29. South Carolina — March 27; Aiken, 

 April 3. North Carolina — Raleigh, April 16 (average of 30 years, 

 April 25). Virginia — Norfolk, April 21. West Virginia — French 

 Creek, April 21 (median of 9 years, May 1). District of Columbia — 

 April 25 (average of 40 years, May 3). Maryland — Laurel, April 7 

 (median of 9 years, April 30) ; Denton, April 19. Pennsylvania — 

 Philadelphia, April 19; Beaver, April 22 (average of 13 years, May 1). 

 New Jersey — Moorestown, April 15; Demarest, April 23. New 

 York — Bronx County, April 28; Buffalo, April 30. Connecticut — 

 Jewett City, April 29 (average of 21 years, May 10). Rhode Island — 

 Providence, May 5. Massachusetts — Newton Highlands, April 17; 

 Chatham, April 20. Maine — Springvale, May 9. Louisiana — 

 Thibodaux, March 20; Bains, March 21. Mississippi — coastal 

 Mississippi, March 21. Arkansas — Helena, March 30 (average of 24 

 years, April 13). Tennessee — Memphis, April 2; Athens, April 6 

 (median of 7 years, April 13). Kentucky — Guthrie, April 14. Mis- 



