38 



FACULTIES OF BIRDS. 



the nose in conveying tastes and smells. The whole 

 labyrinth may be said to consist of three parts the 

 vestibule or oval gallery, on the door of which the 

 stirrup bone, as we have said, plays, the canals in 

 form of a half circle leading from the vestibule, and 

 the cochlea or snail-shell, so called from its shape, 

 with which also the vestibule communicates. 



Distribution of Nerves in semicircular Canals. 



Distribution of Nerves in Cochlea and semicircular Canals. 



