74 U.S. NATIONAL MUSEUM BULLETIN 23 7 pakt i 



Providence and Eleiithera Islands) south to Guatemala and northern 

 Honduras (Lancetilla, La Ceiba, Yaruca) ; rarely to Louisiana (New 

 Orleans), Costa Rica (Coyolan) and western Panamd, (Almirante) ; 

 casually Connecticut (Riverside) . 



Casual records. — Casual north to southwestern Minnesota (Rock 

 County), southern Wisconsin (Lake Koshkonong), southern Michigan 

 (north to Ottawa County), southern Ontario (Chatham, Toronto, 

 Stirling), southern Quebec (Mille Vaches), New Brunswick (Grand 

 Manan), and Nova Scotia (HaUfax), and east to Bermuda. 



Migration. — The data deal with the species as a whole. Early 

 dates of spring arrival are: Costa Rica— Angostura, March 17. Baja 

 California — San Jose del Cabo, March 29. Sonora — March 9. 

 Florida — Lower Keys, March 20. Alabama — Jackson, April 2. 

 Georgia — Grady County, April 4. South Carolina — April 1. North 

 Carolina — Raleigh, April 24 (average of 24 years. May 3). Virginia — 

 Charlottesville, April 26. West Virginia — Mannington, May 17. 

 District of Columbia — May 1. Maryland — Laurel, April 1 (median 

 of 9 years. May 1). Delaware — Lewes, May 7. Pennsylvania — 

 McKean County, May 15. New Jersey — Montclair, May 11. New 

 York— Patchogue, May 1; Manhattan Island, May 15. Connecti- 

 cut — New Canaan, May 2. Massachusetts — Martha's Vineyard, 

 April 17. New Hampshire — Boscawen, May 30. Quebec — Mille 

 Vaches, Lower St. Lawrence, May 7. Nova Scotia — Waverley, April 

 13. Louisiana — Grand Isle, April 1; Baton Rouge, April 6. Missis- 

 sippi — Rosedale, April 22. Arkansas — Fayetteville, April 26. Ten- 

 nessee — Knox County, April 23. Missouri — St. Louis, April 24 

 (median of 13 years. May 4). Illinois — Metropolia, April 27. Indi- 

 ana — Richmond, April 14. Michigan— Ann Arbor, May 24. On- 

 tario — Chatham, May 18. Iowa — Sioux City, May 16. Wisconsin — 

 Cazenovia, March 26; Green Bay, May 4. Minnesota — Beaver 

 Creek, June 6. Texas — Sinton, April 8 (median of 5 years, AprU 13). 

 Oklahoma — Oklahoma City, AprU 18. Kansas— northeastern Kan- 

 sas, April 25 (median of 23 years. May 13). Nebraska — Red Cloud, 

 AprU 12 (median of 21 years, May 12). South Dakota — White River, 

 May 17. New Mexico — State CoUege, May 7. Colorado — Durango, 

 May 10. Utah — Kanab, May 12. California — Santa Cruz, April 

 12. Nevada — Lower Muddy and Virgin Rivers, May 7. 



Late dates of spring departure are: Guatemala — Finca Chama, 

 April 27. Guerrero — Cuapongo, April 29. Puebla — Tehuactln, May 

 4. Sinaloa — Yecorato, AprU 28. Baja California — San Jose del 

 Cabo, AprU 30. Tamaulipas — G6mez Farias, May 1 . Florida — Leon 

 County, May 29. Alabama — Dauphin Island, May 16. Louisiana — 

 Baton Rouge, May 14. Mississippi — Rosedale, May 13. Califor- 

 nia—White Water, May 26. 



