CHAPTER XVI

HEREDITY IN MAN 356

(1) Recent work in heredity leads to the conclusion that at the basis of all human characters lies a vast number of unit-factors; but few have yet been recognized, and (2) we have to depend upon statistical data, which show that all mental and physical characters are inherited. Further discussion of the inheritance of (3) disease, (4) temperament, (5) instinct, and (6) intellect. (7) Conclusion.