NORTH AMERICAN GULLS AND THEIR ALLIES. 



31 



breeds on Iceland and south along the western coast of Europe to 

 about latitude 50°. The principal summer home seems to be the 

 Labrador coast, where it is an abundant breeder from Cape Chidley, 

 Hudson Strait (Low), along the whole coast and south to Newfound- 



Fig. 13. — Great black-backed gull (Larus marinus). 



land (Arnold), Anticosti Island (Brewster), Godbout, Quebec (Co- 

 meau), Pictou, Nova Scotia (Hickman), Halifax, Nova Scotia (Jones), 

 and Kentville, Nova Scotia (Tufts). A few nonbreeders remain all 

 summer on the Maine coast (Knight). 



