HEREDITY IN PLANTS, ANIMALS, AND MAN. Dee 
thinkers will submit that a high standard of morality demands that the 
welfare of unborn generations shall not be sacrificed. Man, it is true, is 
prone to follow desire rather than reason ; but all these influences should 
not be without effect in producing a definite progressive improvement In 
the inborn qualities of the race. Such at least would seem to be the 
possibilities opened up by the detailed study of the laws of heredity. 
