Clfl 



FIG. 49. Brain of Frog. A, from above ; B, from below ; C, from the sick 



(X 4) ; D, in longitudinal vertical section, (x 5.) 



Cb. cerebellum ; Cer. H. cerebral hemispheres ; ch. plxl anterior and ch. plx.' 



posterior choroid plexus (removed in A) ; com. transverse bands of nerve-fibre! 



or commissures connecting the left and right halves of the brain ; Cr. C. crun 



158 



