DEVELOPMENT OF ZOOLOGY 519 



the blood of the race every generation by unsound individuals. 

 This process in our herds would produce scrubs. It is believed 

 that the race owes itself the duty not merely to care for the in- 

 dividual after he is born, but to strive to see that every individual 

 shall be as well born as possible. This science of human breeding 

 is called Eugenics. 



