20 THE RIGHT TO BE WELL BORN 



itary tendency to twins on tlie mother's 

 side. 



I have noticed, however, that the first 

 colt of a young well matured mare of five 

 or six years old is generally a stud colt, 

 especially if she catches at first mating; 

 and, if a mare aborts or loses her colt at 

 suckling time, that the next colt is generally 

 a stud colt. I sometimes have thought that 

 the secretions from the cells that nourish 

 the germ cells govern the inclinations, 

 either male or female. When this discov- 

 ery is once made, we shall have only 

 full male and full females of the I and II 

 combinations born, or close to them; no 

 more "sissies," no more "tom-boys," and 

 our vigor, as a nation, in mental and phys- 

 ical stamina, will be on the ascendency, 

 provided laws are passed preventing the 

 marriage of defectives and diseased per- 

 sons. 



CONTEIBUTION OF HORSEMEN TO 

 EUGENICS. 



To the Trotting Horsemen, more than 

 anyone else, is due the advancement this 



