1902.] Cerebral Commissures in certain Marsujoialia. 



229 



development of an enormous mass of fibres which must find some 

 outlet from the pallium. There are only three possible routes for 



Eig. 4. 



—Transverse section of the two cerebral hemispheres of the same in the 

 plane a, b. (fig. 3). 



cp.i., capsula interna. Other references as for fig, 2. 



