pin 



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



(x 4); L>, in longitudinal vertical section. ( 5.) 



Cb. cerebellum; Cer. H. cerebral hcniNphnvs ; ch. />/.v.l anterior and cli. />/v.- 

 posterior choroid plexus (removed in A) ; com. trans V<TM- b.-uids of nerve-fibres 

 or commissures connecting the left and right li.ilvc- .it tin brain ; C>. C. crura 

 158 



