The Blood of the Nation 



is the function of artificial selection. 

 Add to this the occasional crossing of 

 unlike forms to promote new and desir- 

 able variations, and we have the whole 

 secret of selective breeding. This pro- 

 cess Youatt calls the " magician's wand " 

 by which man may summon up and 

 bring into existence any form of animal 

 or plant useful to him or pleasing to his 

 fancy. 



In the animal world, progress comes 

 mainly through selection, natural or 

 artificial, the survival of the fittest to 

 become the parent of the new genera- 

 tion. In the world of man similar 

 causes produce similar results. The 

 word " progress " is, however, used with 

 a double meaning, including the advance 

 of civilization as well as race improve- 

 ment. The first of these meanings is 

 entirely distinct from the other. The 

 results of training and education lie 

 outside the scope of the present discus- 



14 



