SCIENTIFIC BREEDING GETS RESULTS 171 



the same race, rather than to continue mar- 

 riage in one line. We call this an out-cross 

 in horse breeding. When the sire's seed is 

 vigorous, keep in the high-breeds ; when the 

 sire's seed is weak, go to a strong com- 

 moner blood or to a different family of the 

 same blood. The decendants of "Happy 

 Medium" find a congenial out-cross in the 

 George Wilkes ' family. Why cannot we be 

 as careful in conserving the worth of 

 humans, so no marriages of racial violence 

 will be permitted? 



We can breed horses to trot. We can 

 breed them to trot slowly or to trot fast. 

 We can breed them so they will be passing 

 gaited or line gaited. We can breed them 

 to pace and to be so strong in the pacing 

 tendency that they cannot trot. We can 

 produce them so they go a mixed-gait, trot 

 with the front feet and run with the hind 

 feet. We breed them to run. We breed 

 the high-stepping horse. We can breed the 

 horse which will go the single foot gait, so 

 necessary in the saddle type. We are also 

 breeding safe ponies for children, draft 

 horses for farmers, and jumpers for hunt- 



