ORDER RAPTORES. 193 



352. Haliseetus leucocephalus (LINN.). 



Bald Eagle. 



Falco leucocephalus LINN. S. N. ed. 12, I. 1766, 124. 

 Haliatus leucocephalus Bom, I sis, 1822, 548. 



[B 41, 43, C 362, R 451, C 534.] 

 HAB. North America at large, south to Mexico. 



SUBFAMILY FALCONINJE. FALCONS. 



GENUS FALCO LINNAEUS. 



Falco LINN. S. N. ed. 10, 1. 1758, 88. Type, by elimination, F. subbu- 

 teo LINN. 



SUBGENUS HIEROPALCO CUVIER. 



Hierofalco Cuv. Reg. An. I. 1817, 312. Type, Falco candicans 

 GMEL. = F. islandus BRUNN. 



353. Falco islandus BRUNN. 



White Gyrfalcon. 



Falco islandus BRUNN. Orn. Bor. 1764, 2. 



[B n, C 3410, R4i2, C 501.] 

 HAB. Arctic regions, including Arctic America and Greenland. 



354. Falco msticolus LINN. 



Gray Gyrfalcon. 



Falco rusticolus LINN. S. N. ed. 10, I. 1758, 88. 

 [B 12, C , R 412 a, C 500.] 



HAB. Iceland, Southern Greenland, and Northeastern North Amer- 

 ica, straggling southward in winter to Southern New England. 



354 a. Falco rusticolus gyrfalco (LINN.). 



Gyrfalcon. 



Falco gyrfalco LINN. S. N. ed. 10, I. 1758, 91. 

 Falco rusticolus gyrfalco STEJN. Auk, II. 1885, 187. 



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