12 THE RIGHT TO BE WELL BORN 



mimber have contributed, or can contrib- 

 ute, to the evolution of the light-harness 

 horse. So far as the influence of the re- 

 mainder is concerned in the upbuilding of 

 the trotting breed, they need not have lived. 

 Before I have finished I shall show the 

 same is true in the human family, 



CAUSE OF SEX. 



Let us agree, for the purpose of the fol- 

 lowing contention, that the stallion and 

 brood-mare, under consideration, are bred 

 in the purple and are physically perfect. 



It has been found that every stallion and 

 every brood-mare has two centers, one a 

 male center and the other a female center, 

 and, when mated, if the two male centers 

 float over and join, the offspring will be 

 a male-life; if the two female centers join, 

 the offspring will be a female. These cen- 

 ters or tendencies are stronger at one time 

 to produce a male and weaker to produce 

 a female ; at other times, the tendencies are 

 stronger to produce a female and weaker 

 to produce a male. It is the predominance 

 of these joint tendencies, either male or fe- 



