l.he Great Horned Owl, 



443 



ARTICLE LVIIL — On the great Horned Owl, Bubo Virginianus^ 



GENUS BUBO.— CuviER. 



Generic Characters. 



Bill short, stout, broader than higli at the base, compressed 

 toward the upper end ; upper mandible with its dorsal line curved 

 from the base, the edges with a slight festoon, the tip trigonal, very- 

 acute ; lower mandible with the dorsal line convex, the tip 

 obliquely truncate ; nostrils broadly elliptical, aperture of ear 

 elliptical, less than half the height of the head, without opercu- 

 lum ; feet of ordinary length ; tarsi and toes feathered ; Plumao-e 

 full and very soft ; facial disks complete ; a tuft of elongated 

 feathers on eacli side of the crown of the head ; wings ample 

 the first quill short, the fourth longest ; tail of ordinaiy leno-th> 

 rounded* 



