AVES. 3 



PYGOPODES. CEPPHI. 



GAVIIDAE. 



4. Gavia immer (Briinnich) A. O. U. comm. 



Loon; Big loon; Call-up-a-storm; Great northern diver. 



Colymbus immer Briinn., Ornith. borealis, 1764, p. 38. "E 

 Faeroa." 



Urinator wiber (Gunnerus). Chapman, Handb. birds east. 

 No. Amer., 1895, p. 58; Bird-life, 1898, pi. 3. Egg, Capen, 1886, 

 pi. 24, fig. 2. 



Salt and fresh water; nests on shores of lakes. 



Me., N. H. — Common migrant, less common winter and sum- 

 mer resident. Eggs, June 11-19 (July). 



Vt. — Uncommon summer resident. 



Mass. — Common migrant and winter resident, mainly coast- 

 wise; rare summer resident inland (formerly Springfield); a few 

 non-breeding birds summer offshore. 



R. I. — Common migrant and winter resident coastwise; a few 

 non-breeding birds summer offshore. Sept. 15-May 28; summer. 



Conn. — Common winter resident coastwise ; formerly a rare 

 summer resident (Easthampton). Oct.-April 29. 



5. Gavia arctica (Linne) Allen. 



Black-throated loon or diver. 



Colymbus ardicus Linne, Syst. nat., ed. 10, 1758, vol. 1, p. 135. 

 "in Europa & America boreali." Audubon, Birds of Amer., 

 1844, vol. 7, p. 295, pi. 477. Egg, Seebohm, 1896, p. 78, pi. 21, 

 fig. 1. 



Seacoasts; nests on the ground. 



Me. — Rare winter visitor: China, Kennebec Co., xVpril 19, 

 1899; Cutler, Dec. 8, 1881. 

 Mass. — Doubtfully recorded. 

 Conn. — Doubtfully recorded (?near Southbridge, Mass.). 



