104 FAUNA OF NEW ENGLAND. 



RAPTORES. ' FALCONES. 



FALCONIDAE. 



Coues, Key to No. Amer. birds, ed. 5, 1903, vol. 2, p. 665; Brisson, 

 Ornith., 1760, vol. 1, pi. 31. 

 Open country; nests on cliffs. 



Me. — Accidental visitor: Cape Elizabeth, Oct. 13, 1877. 



198. Falco rtjsticolus gyrfalco (Linne) Stejneger. 

 Gyrfalcon; MacFarlane's gyrfalcon. 



Ridgway, Manual No. Amer. birds, 1887, p. 245-246. 



Falco gyrfalco Linne, Syst. nat., ed. 10, 1758, vol. 1, p. 91. "in 

 Europa." Dresser, Birds of Europe, 1871-81, vol. 6, pi. [367]. 

 Egg, Bendire, 1892, vol. 1, pi. 9, figs. 6, 8, 9. 



Open or mountainous country; nests on cliffs. 



Me. — Very rare winter visitor: Jacques Id., Mar. 7, 1907; 

 Ktaadn Iron Works, December, 1876; "Maine;" North Deering, 

 Dec. 11, 1906. 



Vt. — Doubtfully recorded. 



Mass. — Very rare winter visitor: Melrose, Jan. 1, 1891; North- 

 ampton, Feb., 1880; Stowe, 1881. 



R. I. — Very rare winter visitor: Point Judith, Oct. 11, 1883; 

 near Providence, winter, 1864-65. 



199. Falco rtjsticolus obsoletus (Gmelin) Stejneger. 



Black gyrfalcon; Labrador gyrfalcon. 



Ridgway, Manual No. Amer. birds, 1887, p. 245-246. 



Falco obsoletus Gmel., Syst. nat., 1788, vol. 1, pt. 1, p. 268. "in 



FRETO HUDSONIS." 



Falco labradora Audubon, Ornith. biogr., vol. 2, pi. 196. Egg, 

 Bendire, 1892, vol. 1, pi. 10, fig. 1. 



Open and mountainous country; nests on cliffs or rarely in trees. 



Me. — Rare fall and winter visitor. Sept.-Mar. 22. 

 N. H. — Rare winter visitor: Milford, January, 1891. 



