INTRODUCTION xxi 



ested in theology, and remained wonderfully orthodox 

 in spite of" (or, as the present writer would prefer 

 to say, because of) " his scientific knowledge. He 

 always thought that the evidence for the doctrine 

 of evolution had been pressed for more than it was 

 worth, and he had many criticisms to make upon 

 the Higher Critics of the Bible. Many a discussion 

 we had, in which, against me, he took the conserva- 

 tive side." 



He lets one see very clearly into the workings of 

 his mind in this direction in what is perhaps the 

 finest, although the least well known of his books, 

 The Five Windows of the Soul (John Murray), in 

 which he discourses in his own inimitable way of 

 the five senses, and how they bring man and beast 

 into contact with their surroundings. It is a book 

 on perceiving, and shows how according as this 

 faculty is exercised it makes each man such as 

 he is. The following extract from the book shows 

 Mr. Aitken's style, and may perhaps induce some 

 to go to the book itself for more from the same 

 source. He is speaking of the moral sense. " And 

 it is almost a truism to say that, if a man has any 

 taste, it will show itself in his dress and in his dwell- 

 ing. No doubt, through indolence and slovenly 

 habits, a man may allow his surroundings to fall 

 far below what he is capable of approving ; but 

 every one who does so pays the penalty in the 

 gradual deterioration of his perceptions. 



"How many times more true is all this in the case 



