LIFE HISTORIES OF NORTH AMERICAN DIVING BIRDS. 47 



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

 ••and Arizona (Colorado Kiver). 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 16. Illinois: 

 March 23 to April 16. 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 recc^rds, 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 

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

 18, and 30, and May 1. 



Family GAVIID^. Loons. 



GAVIA IMMEE (Briinnich). 



LOOIT. 



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 

 ^vaters — 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 



