THE PONS AND THE CEREBELLUM. 



139 



These nuclei are best shown in an almost horizontal section 

 through the cerebellum, such as is represented in Fig. 83, taken 

 from B. Stilling's atlas. In such a section you will observe in 



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3 .' ~ 



^ re 



a v. z 



OK S.H 



s - h 

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r+ * * J 



s?" 



052 c* 

 2 = B- 



the centre the white substance of the vermis and the nucleus 

 tegmenti, and in front of these some fasciculi of decussating 

 fibres, the anterior decussating commissure. To the right and 

 left lie the white substance of the hemispheres, inclosing the 



