ORGANIC EVOLUTION. 15 



with the theory of design in the larger sense, that 

 behind all secondary causes of a physical kind, 

 there is a primary cause of a mental kind. There- 

 fore throughout this essay I refer to design in 

 the sense understood by the narrower forms of 

 teleology, or as an immediate cause of the 

 observed phenomena. Whether or not there 

 is an ultimate cause of a psychical kind per- 

 vading all nature, a causa causarum which 

 is the final raison d'etre of the cosmos, this 

 is another question which, as I have said, 

 I take to present no point of logical contact 

 with Mr. Darwin's theory, or, I may add, with 

 any of the methods and results of natural science. 

 The only position, therefore, which I here desire 

 to render plain is that, if the doctrine of evolution 

 is seen to be established by sufficient evidence, 

 and therefore the causes which it sets forth are 

 recognised as adequate to furnish a scientific 

 explanation of the results observed, then the 



