NECES8ART TRUTHS— EFFECTS OF EXPERIENCE. 689 



grown up iu ways of whicli at present Ave can give no ac- 

 count. Even in the clearest parts of Psychology our insight 

 is insignificant enough. And the more sincerely one seeks 

 to trace the actual course of psychogenesis, the steps by 

 which as a race we may have come by the peculiar mental 

 attributes which we possess, the more clearly one per- 

 ceives " the slowly gathering twilight close in utter night." 



THE END. 



