cb 



n, 



cc 



FIG. 325. Cat's brain viewed from beneath. The numbers refer to the nerves 

 supplying the head and neck ; i, io, ir, ex, and x, muscles for moving the eye- 

 ball ; , optic nerve ; op, optic chiasm ; ol, olfactory lobe ; sy, cerebrum ; cb, 

 cerebellum ; an, medulla oblongata ; pv, pons Varolii ; cc, spinal cord. 

 Slightly enlarged, From Davison's "Mammalian Anatomy." (288) 



