390 check-list of north american birds. 



Family BUTEONID^. 



Genus AQUILA Brisson. 



Aquila dananus Marsh. [58.] 



Aguila danana Marsh, Amer. Journ. Sci., ser. 3, II, 1871, 125. 



Pliocene?; Nebraska. 



Aquila pliogryps Shufeldt. [59.] 



Aquila pliogryps Shufeldt, Joum. Acad. Nat. Sci. Phila., ser. 2, IX, 

 1892, 416, pi. xvii, fig. 33. 



Pleistocene; Oregon. 



Aquila sodalis Shufeldt. [60.] 



Aguila sodalis Shufeldt, Joum. Acad. Nat. Sci. Phila., ser. 2, IX, 1892, 

 417, pi. XV, fig. 5. 



Pleistocene; Oregon. 



Suborder STRIGES. 

 Family STRIGID.a!. 



Genus BUBO Dum^ril. 



Bfibo lept6steus Marsh. [57.] 



Bvbo leptosteus Marsh, Amer. Joum. Sci., ser. 3, II, 1871, 126. 

 Eocene (Bridger); Wyoming. 



