TREE SWALLOW 399 



Winter range. — The normal winter range appears to extend north 

 to southern California (Santa Barbara, Biiena Vista Lake, and Salton 

 Sea) ; northern Chihuahua (San Diego) ; central Nuevo Leon 

 (Monterrey) ; southern Texas (Brownsville and Houston) ; Louisiana 

 (Cameron, Avery Island, and New Orleans) ; Mississippi (Biloxi) ; 

 and coastal North Carolina (Lake Mattamuskeet) . The eastern 

 limits of the range at this season extend southward along the Atlantic 

 coast from North Carolina (Lake Mattamuskeet and probably Fort 

 Macon), to southern Florida (Miami and Koyal Palm Hammock); 

 and occasionally eastern Cuba (Nipe Bay), South to occasionally 

 Cuba (Nipe Bay and San Francisco) ; Yucatan (Chunyache and Camp 

 Mengel) ; British Honduras (Belize) ; Honduras (Tolva Lagoon) ; 

 and southern Guatemala (Quiriqua, San Geronimo, and Volcan de 

 Fuego). West to western Guatemala (Volcan de Fuego and Lake 

 Atitlan) ; State of Mexico (Tlalpam and Mexico City) ; Baja Cal- 

 ifornia (Cape San Lucas, La Paz, and Calexico) ; and California 

 (San Onofre and Santa Barbara). 



Occasionally tree swallows are noted in winter on the Pacific coast 

 north to central California (Point Reyes and Sonoma) and on the 

 Atlantic coast to southern Connecticut (Saybrook) and New York 

 (Gardiners Island). 



Spring migration. — Early dates of spring arrival are : District of 

 Columbia — ^Washington, INIarch 24. New Jersey — Englewood, March 

 24. Pennsylvania — Philadelphia, March 30. New York — Canan- 

 daigua, March 28. Connecticut — Hartford, March 29. Massachu- 

 setts — Dennis, INIarch 13. New Hampshire — Monadnock, March 24. 

 Maine — Ellsworth, March 27. New Brunswick — Scotch Lake, April 

 17. Quebec — Montreal, April 7. Missouri — St. Louis, March 14. 

 Illinois — Canton, JNIarch 11. Indiana — Hobart, March 20. Ohio — ■ 

 Oberlin, March 13. Michigan — Ann Arbor, March 18. Ontario — 

 London, March 25. Iowa — Davenport, March 18. Wisconsin — Mad- 

 ison, March 25. Minnesota — Minneapolis, March 29. Manitoba — 

 Winnipeg, April 13. Oklahoma — Norman, March 30. Nebraska — 

 Nebraska City, April 11. North Dakota — Larimore, April 24. Sas- 

 katchewan — Indian Head, April 29. Arizona — Tucson, March 10. 

 Colorado — Durango, April 9, Wyoming — Yellowstone Park, May 2. 

 Montana — Fortine, March 21. Alberta — Camrose, April 25. Mac- 

 kenzie — Fort Resolution, May 12. Oregon — Mercer, February 21. 

 Washington — Tacoma, February 22. British Columbia — Okanagan 

 Landing, March 6. Alaska — Craig. April 10. 



Fall migration. — Late dates of fall departure are: Alaska — Craig, 

 August 15. British Columbia — Okanagan Landing, September 15. 

 Washington — Seattle, October 19. Oregon— Benton County, Sep- 

 tember 24. Alberta — Birch Lake, August 25. Montana — Fortine, 



