292 
BUBO. 
Bubo, generic characters. — Bill short, strong 
and bending from the base, edges of the man- 
dible slightly sinuated ; nostrils large, oral ; 
facial disk incomplete above the eyes ; head 
furnished with egrets ; conehal opening small, 
no operculum ? wings rather short, concave, 
third and fourth quills longest ; legs and toes 
feathered ; claws long, sharp. 
