LIFE HISTORIES OF NORTH AMERICAN DIVING BIRDS, 47 



ward and from the Gulf States west to Texas (McLennan County) 

 and Arizona (Colorado River). On the Pacific coast from Van- 

 couver Island (Barkley Sound) southward. The species is largely 

 resident south of the United States. 



Spring migration. — Northward beginning in March. New Jersey : 

 March 15 to April 20. New York: March 23 to April 15. Massa- 

 chusetts: March 1 (earliest). Maine: April to May 19. Missouri: 

 During March. Ohio: April 1 to 10, earliest March IG. Illinois: 

 March 23 to April 15. Wisconsin: April 13. Michigan: March 12 

 to 28. Nebraska: Middle of April. Colorado: Boulder County, 

 April 7. Wyoming : May 5. Montana : May 23. 



Fall migration. — Southward starting in September. Nova Scotia: 

 Halifax County, November 5 (latest). Ontario: Ottawa, November 

 7 (latest). Maine: September 1 to November 13. Massachusetts: 

 December 10 (latest). New York: September 15 to November 1. 

 Michigan: October to November. Wisconsin: October 20. Ohio: 

 September 1 to October 25, latest November 4. Saskatchewan : Dirt 

 Hills, October. Colorado, Boulder County, October 16. 



Casual records. — Recorded from Cape Horn and Straits of Ma- 

 gellan, Hudson Bay (York Factory), and Bermuda (perhaps regu- 

 lar in winter). 



Egg dates. — Michigan and Wisconsin: 33 records, May 14 to 

 August 10 ; 17 records. May 30 to June 9. Illinois : 27 records, May 

 10 to July 8 ; 14 records. May 26 to June 10. California : 26 records, 

 April 23 to August 6 ; 13 records. May 22 to June 15. North Dakota : 

 18 records, May 19 to June 23 ; 9 records, May 29 to June 8. Colo- 

 rado: 12 records. May 10 to July 6; 6 records. May 18 to June 9. 

 British Columbia and Washington: 11 records, April 4 to June 3; 

 6 records, April 13 to May 27. New York and New Jersey : 8 records. 

 May 15 to August 8 ; 4 records, June 3 to 17. Texas : 4 records, June 

 2 and 28 ; August 23 and 25. South Carolina : 4 records, April 11, 

 18, and 30, and May 1. 



Family GAVIID^. Loons. 



GAVIA IMMER (Briinnich). 

 LOON. 



HABITS. 



Among the picturesque lakes of the wilder, wooded portions of the 

 Northern States and Canada — where dark firs and spruces mingled 

 with graceful white birches, cast their reflections in the still, clear 

 waters — sportsmen and appreciative nature lovers have found at- 

 tractive summer resorts. Here, far from the cares of the busy world, 

 one finds true recreation in his pursuit of speckled trout, real rest 



