Chap. XV. ] IMAGINATION AND VOLITION. 253 



Imagination, and Volition, on the other hand, as mere 

 higher developments arising out of previous processes, 

 have their seed-time in all that is unfamiliar among the 

 chance Sensorial Impressions which Animals, whose ' ex- 

 perience ' is growing and w^hose Nervous Systems are 

 developing, are accustomed at intervals to receive from 

 the outer world. 



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