ON THE MAMMALIAN NERVOUS SYSTEM. 



Excitation of left lateral produced effect of 42 ; 56 

 right ,, ,, GO 



left posterior ,, 87 



right ,, 45 



Fig. 16. 



389 



On repeating this experiment with a stronger stimulus (coil 3000), the unilateral 

 character of the right lateral column became less marked, whilst the left and right 

 posterior columns gave now equal bilateral results ; thus 



