1 76 VETERINARY PHYSIOLOGY 



2. The fibres of the superior peduncle, coming chiefly from the 

 dentate nucleus and superior vermis, cross the middle line and 

 end partly in the red nucleus of the opposite side and partly 

 in the thalamus opticus (fig. 90, S.C.P.}. The red nucleus fibres 



FIG. 89. Connections of the Cerebellum with the Cerebro-spinal Axis 

 (for explanation, see text). 



seem to pass upwards to the cerebrum and downwards into 

 the pre-pyramidal tract of the spinal cord. How far the former 

 are upward conducting and how far downward is not definitely 

 known. 



The cerebellum thus constitutes the central part of one of 

 the great nervous arcs, the ingoing fibres terminating in the 



