18 EVOLUTION 



sporadic essays? and how largely are these, 

 in qualities and in limitations alike, the 

 expressions of his boyish and his youthful 

 education, his professional experiences? 



FROM SOCIAL PROGRESS TO NATURALIST 

 OUTLOOK. Once more, then, we insist upon 

 the progress of evolutionary soienoe as frfun 

 social progress t.oJt.s nahiralist application. 

 In our opening chapter we put this plainly 

 enough, but as it were once for all; thence 

 passing as naturalists into the field, and as 

 biologists into the laboratory and study. 

 Darwin is again the example of this life- 

 history of the naturalist. Malthus once 

 grasped and applied, he drew no more drafts 

 upon political economy, consciously at least; 

 and his many disciples and continuators 

 have been no more conscious of their stoutly 

 utilitarian economics than was M. Jourdain 

 of his prose: though of course it has been 

 none the less there all the time. Wallace, 

 indeed, practically alone among Darwinians, 

 and more divergent and original than his 

 generous loyalty has ever allowed him to 

 realize, has kept in touch with the movement 

 of economic thought, and that in later and 

 less canonical schools especially; he has 

 striven to throw light upon other puzzles 

 and controversies, from political to psycho- 

 logical, from geographic to religious; but 



