NERVOUS SYSTEM. VERTEBRATA. 



303 



the Human pons, although it is not yet quite large enough 

 to completely hide the trapezoid bodies. The development 

 of large olivary bodies still further increases the resem- 

 blance of the bulbar region to that of the brain of Man, 

 but they differ in being placed some distance to the caudal 

 side of the pons. 



Fig. 173. 



OLF.BULB, 



Fig. 174. (xf) 



D 



SULC.PARAORB. 



SULC.ORB. 



SULC. P. LAT: 



SULC.P.SYL. 



There is a large, flattened, olfactory bulb (the exact size 

 and shape of which is seen to better advantage in the cranial 

 cast, fig. 173). A broad olfactory peduncle leads backward 

 to a huge flattened olfactory tubercle (fig. 172) ; but the 

 pyriform lobe, which must be of considerable extent, is so 



