1 66 CLUES AND SUGGESTIONS CHAP. 



their inevitable first appearance in rudi- 

 mentary conditions in which as yet they 

 can have no actual functional activity. 

 For this is an idea profoundly at variance 

 with materialistic and purely mechanical 

 explanations. It is easy by such ex- 

 planations at least superficially it seems 

 to be easy to explain the atrophy and 

 ultimate disappearance of organs which, 

 after completion, fall into disuse. But it 

 is impossible to account, on the same 

 mechanical principles, for the slow but 

 steady building up of elaborate structures, 

 the functional use of which lies wholly in 

 the future. 



The universal instincts of the human 

 mind are conscious that this concep- 

 tion is inseparable from that kind of 

 guidance and direction which we know 

 as mind. No other is conceivable. 

 And this particular kind of agency is as 

 much an object of direct perception 



