340 



MESSRS. F. GOTOH AND V. HORSLEY 



ELECTRICAL Effects in the Nerve. 



Special attention must be drawn to the fact that higher numbers than those given 

 were sometimes obtained ; however, these large deflections accompanied general 

 movements of the animal, due, in part, to the fact that it is extremely difficult to 

 maintain a proper degree of anaesthesia. If this is too slight, the stimulus causes a 

 general awakening of the whole cerebral system. 



The question of bilaterality will be referred to in the next chapter. It remains to 

 institute a general comparison between the galvanometric effects observed in both 

 cord and nerve when the cortex and corona radiata are respectively excited. Such a 

 comparison will lead to a better undei'standing of the part played by the bulbo-spinal 

 centres, though any complete inquiry into this difficult question must be postponed to 

 Chapter XL, which treats directly of the matter. 



If we arrange the parts of the nervous system here dealt with in their anatomical 

 order, they form the following series : 



1. Cortex. 



2. Corona radiata, 



