146 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 typesand ence in a country of certain ancestral 
the survival of J : 
che 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. 
