30 SUPER-ORGANIC EVOLUTION 



standing of the chapter on psychical adaptation, and 

 it must be borne in mind that, though separate 

 chapters are adopted for clearness, the matters are 

 not in reality so. It is the same with organ and 

 function, which are so closely connected that they 

 cannot be conceived of separately, and they are 

 united from being identical, even as force is con- 

 sidered as a function of matter. 



