244 



NERVOUS SYSTEM OF VERTEBRATES. 



Rad. mesenc V 

 VIII 



Secondary gustatory tract 



Secondary gustatory 

 IV 



Decussatio veli. 



. K 





-s-s.-^--:^^ 



IV 

 Rad. mesenc. V 



■^Tertiary gustatory 



tract 



\\\ ^ v^v^'J^^*\^''^emniscus system 

 Brachium conjunctivum 

 B 



Fig. 124. — Two transverse sections through the cerebellum of Scyllium. A, a 

 section at the extreme caudal end of the secondary gustatory nucleus, the position 

 of which is marked by the cross; B, through the secondary gustatory nucleus, the 

 decussatio veli and the origin of the tertiary gustatory tract. The secondare' gusta- 

 tory nucleus lies between the brachium conjunctivum and the velum. 



