ANIMAL AND VEGETABLE 



199 



Physiological. 



Electrical. 



earth 



Fig. 106. 



(After Halliburton.) Fig. 107. 



PCC 

 ACC 



M 



PF 



CC 



= small cells at the base of 

 the posterior cornu. 



= large motor-cells of the 

 anterior cornu. 



= muscular fibres. 



= axon. 



= cell of the cerebral grey 

 matter. 



aa = low-tension condensers. 

 bbb = high-tension condensers. 



