390 CHECK-LIST OF NORTH AMERICAN BIRDS. 
Famity BUTEONIDE. 
GENUS AQUILA Brisson. 
Aquila dananus Mars. [58.] 
Aquila danana Marsu, Amer. Journ. Sci., ser. 3, IT, 1871, 125. 
Pliocene?; Nebraska. 
Aquila pliogryps SHUFELDT. [59.] 
Aquila pliogryps SHureupt, Journ. Acad. Nat. Sci. Phila., ser. 2, [X, 
1892, 416, pl. xvii, fig. 33. 
Pleistocene; Oregon. 
Aquila sodélis SHuretpr. [60.] 
Aquila sodalis SHureupt, Journ. Acad. Nat. Sci. Phila., ser. 2, IX, 1892, 
417, pl. xv, fig. 5. 
Pleistocene; Oregon. 
SUBORDER STRIGES. 
Famity STRIGIDZE. 
GENUS BUBO DuMEnrIL. 
Bibo leptésteus Marsn. [57.] 
Bubo leptosteus MarsH, Amer. Journ. Sci., ser. 3, II, 1871, 126. 
Eocene (Bridger); Wyoming. 
