136 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Genus HALI^ETUS Savigny. 



Haliceetus Savigny, Descr. de I'Egypte, 1809, 35. Type, Falco 

 albicilla Linn. 



[351.] Haliseetus albicilla (Linn.). 



Gray Sea Eagle. 



Falco albicilla Linn. S. N. ed. 10, I. 1758, 89. 



Haliceetus albicilla Leach, Syst. Cat. M. B. Br. Mus. 18 16, 9. 



[B42, C— R452, C533.] 



Geog. Dist. — Northern Europe and Asia ; Greenland. 



352. Haliaeetus leucocephalus (Linn.). 



Bald Eagle. 



Falco leucocephalus Linn. S. N. ed. 12, 1. 1766, 124. 

 Haliceetus leucocephalus BoiE, Isis, 1822, 548. 



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



Geog. Dist. — North America at large, south to Mexico, north- 

 west through the Aleutian Islands to Kamchatka. Breeds locally 

 throughout its range. 



Subfamily FALCONING. Falcons. 



Genus FALCO Linn^us. 



Falco Linn. S. N. ed. 10, I. 1758, Z"^. Type, by elimination, 

 F. subbuteo Linn. 



Subgenus HIEROFALCO Cuvier. 



Hierofalco Cuv. R^g. An. I. 1817, 312. Type, Falco candicans 

 Gmel. = /; isla?idus Brunn. 



353. Falco islandus Brunn. 



White Gyrfaleon. 



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



