258 COMPARATIVE ELECTRO-PHYSIOLOGY 



in the other ; and finally how, by a serial arrangement, the 

 terminal electro-motive effect becomes enhanced. The light 

 thus thrown on the two types of response, known to occur in 

 the electrical organs of fishes, is evident. Further con- 

 siderations, relating to the theory of electrical organs, will be 

 given in detail in the next chapter. 



