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 senses and the body musculatare, involving the somatic motor 

 neurones of the spinal oori. The senses thus me.liatei are, 

 prinarily, the olfactory and the visual, but the acustico- 

 lateral and the general cutaneous systems may be represented 

 also. 



The neurones forming the nuclei of the III and IV nerves 

 have the structure of the somatic motor neurones pertaining 

 to the spinal cord and the oblongata. 



Spendymal fibres extend through the entire thickness of 

 the midbrain wall, branching but feebly. 



