ORDER FALCONIFORMES. 71 



Haliaeetus albicilla (Linnaeus). Gray Sea Eagle. [351.] 



Falco Albicilla Linnaeus, Syst. Nat., ed. 10, I, 1758, 89. (in Europa, 

 America = Sweden.) 



Range. — Breeds from northern Europe (formerly Scotland and Ireland) 

 and northern Asia to Spitzbergen and Novaya Zemlya; resident in Iceland 

 and Greenland (breeding on west coast to lat. 70° N.). In migration south to 

 Japan, China, northern India, southern Europe, and northern Africa. Casual 

 on the Aleutian Islands (Unalaska, October 5, 1899) and recorded also from 

 Cumberland Sound (American Harbor, October, 1877). ^ Accidental off the 

 coast of Massachusetts (off Nantucket Light Ship, November 14, 1914) .2 



Haliaeetus leucocephalus alascanus Townsend. Northern Bald Eagle. 



[352a.] 



Haliaetus leucocephalus alascanus C. H. Townsend, Proc. Biol. Soc. Wash., 

 XI, No. 34, June 9, 1897, 145. (Unalaska, Aleutian Islands [Alaska].) 



Range. — Boreal zones of northwestern Alaska, northern Mackenzie, and 

 northern Quebec (Ungava) south to British Columbia and the Great Lakes. 

 Winters south at least to Washington, Montana, and Connecticut. 



Haliaeetus leucocephalus leucocephalus (Linnaeus). Southern Bald Eagle. 



[352.] 



Falco leucocephalus Linnaeus, Syst. Nat., ed. 12, I, 1766, 124. Based on 

 The Bald Eagle, Aquila capite alba Catesby, Carolina, I, 1. (in 

 America, Europa =South Carolina.) 



Range.— United States to southern Lower California and central Mexico 

 breeding in suitable locations throughout its range; rare and local in California 

 (except on the Santa Barbara Islands) and in the arid interior States. Ac- 

 cidental in Sweden. 



Genus THALLASOAETUS Kaup. 



Thallasoaelus Kaup, Class. Sjiug. und Vogel, 1844, 123. Type, by mono- 

 typy, Aquila pelagica Pallas. 



• Thallasoaetus pelagicus (Pallas). Steller's Sea Eagle. [352.1.] 



Aquila pelagica Pallas, Zoogr. Rosso-Asiatica, I, 1811, 343. (in Insulis 

 inter Camtshatcam et Continentem Americes [sic] praesertim in infami 

 nan fragio et monte Beringii insula = Bering Island.) 



Range. — Northeastern Siberia, Kamchatka, Sakhalin and Bering islands. 

 Casual on the Pribilof Islands and on Kodiak Island (Aug. 10, 1921). ^ South 

 in wanter to Chosen (Korea), Japan, and the Riu Kiu Islands. 



1 Kumlien; Bull. U. S. Nat. Mus., No. 15, 1879, 82. 



2 L S. Crandall, Auk, XXXII, 1915, 368. 



3 C H. Gilbert, Condor, XXIV, 1922, 66. 



