NORTHEIiN SLATE-COLOKED JUNCO 1041 



California (Cocopali Mountains), northern Sonora (Sonoyta), central 

 Chihuahua (Chihuahua), southern Texas (Presidio, Rockport, Port 

 Arthur), southern Louisiana (New Orleans), southern Mississippi 

 (Cat Island), southern Alabama (Mobile), and northern Florida 

 (Pensacola, New Smyrna). 



Casual records. — Casual in eastern Siberia, the islands of the Bering 

 Sea (Little Diomede Island, St. La^vrence, Sledge, Nunivak, and 

 Pribilof islands, and South Bight of the Aleutian Islands), the arctic 

 coast of Alaska (Cairn, Wales, Point Barrow), Banks, Southampton 

 and Baffin islands, southern Florida (Chokoloskee) , Bermuda, and 

 the Bahamas (New Providence). 



Accidental in Ireland and Italy. 



Migration. — Data deal with, the species as a whole. Early dates 

 of spring arrival are: Maryland — Laiu-el, February 25. New Hamp- 

 shire — New Hampton, March 7 (median of 21 years, March 28); 

 Concord, March 10. Maine — Lake Umbagog, March 21. Quebec — 

 Montreal area, Mai'ch 10. Illinois — Chicago, February 26 (average 

 of 16 years, March 12). Wisconson — northern Wisconson, March 

 25. Minnesota — Cannon Falls, March 1 (average of 21 years for 

 southern Minnesota, March 11). South Dakota — Sioux Falls, 

 March 24 (average of 4 years, April 4) . North Dakota — Cass county, 

 March 15 (average, March 21). Manitoba — Treesbank, March 17 

 (average of 25 years, March 30). Montana — Libby, March 20. 

 British Coliunbia — North Vancouver, April 8. Yukon — Sheldon 

 Lake, April 20. Alaska — Forty Mile, April 22. 



Late dates of spring departure are: Florida — northwestern Florida, 

 April 19; Tallahassee, April 11. Alabama — Birmingham, April 21; 

 KussellviUe, April 18. Georgia — Atlanta, April 24. South Caro- 

 lina — Charleston, May 2 (median of 5 years, April 11). North 

 Carolina — Raleigh, May 4 (average of 13 years, April 12). District 

 of Columbia — May 17 (average of 36 years, Apiil 30). Maryland — 

 Baltimore County, May 30; Montgomery County, May 24; Laurel, 

 May 14 (median of 6 years, May 2). Pennsylvania — State College, 

 May 15; Beaver, May 10. New Jersey — Plainfield, May 13. New 

 York — Westchester County, June 5. Connecticut — Fairfield, May 

 12. Massachusetts — Martha's Vineyard, June 7; Concord, May 22. 

 New Hampshire — Concord, May 7. Louisiana — Baton Rouge, March 

 29. Arkansas— Fayetteville, April 25; Little Rock, April 23. Ten- 

 nessee — Nashville, May 13. Missouri — St. Louis, May 14 (median 

 of 14 years, April 20). Illinois — Chicago, May 24 (average of 16 

 years. May 10); Urbana, May 23 (median of 20 years. May 4). 

 Indiana — Wayne County, May 10. Ohio — central Ohio, May 30; 

 Oberlin, May 20 (median of 18 years, May 1). Michigan — Detroit 

 area, May 30 (mean of 10 years, May 24). Iowa — Decorah, Mayl6; 



