Some Terms 159 



tions, and then they regenerate when these 

 adverse conditions have been overcome or 

 avoided. The psychic expression of growth is 

 pleasure ; that of devolution is emotion, and 

 that of regeneration is will. Will is an expres- 

 sion of the reaction against adverse conditions 

 and is an indication of the passing over from a 

 state of devolution to one of renewed growth. 

 Will is non-mechanical because the preceding 

 devolution has destroyed the structure through 

 which energy would act. In regeneration new 

 structure is created. The non-mechanical feel- 

 ing before the structure is created is will ; the 

 mechanical feeling after the structure is created 

 is pleasure. Will precedes structural growth ; 

 pleasure follows it. 



There is a third feeling with a bodily cause 

 which falls under neither of these heads. I 

 shall call it elation, although in its intense 

 forms it is better known as ecstasy. It is the 

 feeling of a dormant part made active by 

 unusual conditions. Elation arouses the 

 whole organism and makes it respond readily 

 to mental stimuli. Under ordinary conditions 

 only a part of each organism is really alive in 



