BUBO. EAGLE-OWL. 



427 



birds, are not entirely nocturnal in their habits, reside in 

 wooded regions, and nestle in trees, on rocks, or on the ground. 

 Some individuals of a single species have been obtained in 

 Britain ; but it does not appear probable that at the present 

 day any permanently reside there. 



The accompanying figure represents, of the natural size, as 

 taken from a recent specimen, the external ear of the Great 

 Eagle-Owl, The aperture of the ear, properly so called, or 

 the entrance of the meatus auditorius externus, is of small 

 size, and of an elliptical form. There is no operculum, but 

 the margin is thickened all round, and beset with feathers, of 

 which the shafts only have been represented. 



