INTERLACEMENT OF THE CEREBELLAR PEDUNCLES. 475 



of the spinal cord, together with the posterior divisions of this, 

 could constitute portions of one and the same conducting tract 

 continuous with the olivary bodies ; and Lenhossek, in admit- 

 ting the existence of an olivary commissure analogous to the 

 corpus callosum, formed by transverse fasciculi, has laid special 

 stress upon the absence of any relation, for example, between 

 the anterior of these transverse fasciculi and others of the same 

 system. 



Fig. 257. 



Fig. 257. Transparent transverse section of the medulla oblongata 

 of Man, at the level of the highest roots of the vagus. VIII to X s , the 

 area of transverse section of the grey floor ; P, pyramid ; 0, inferior 

 olivary body, with (Z) the stratum zonale ; MFC, the external division 

 of the peduncle of the cerebellum (corpus restiforme) ; 8FC, the in- 

 ternal division of the peduncle of the cerebellum ; Oi, Oe, internal 

 and external accessory olivary bodies ; JR, raphe ; MFJ, internal divi- 



