I4 6 FOOT-NOTES TO EVOLUTION. 



Race types thus arise from the " survival of the ex- 

 isting," its best results modified and preserved by the 

 "survival of the fittest." Actual pres- 

 Race types and encg in a country ' o f cer tain ancestral 

 the survival of . _ _,. 



the existing stocks is the first element. Their char- 



acters become workable, durable, and at 

 last " ineradicable " by the survival of those in whom 

 those characters are elements of life. An " unwork- 

 able " heredity destroys its possessor, and with him the 

 line of possible descent. 



