CHAPTER III.

THE INFLUENCE OF RACE AND HEREDITY ON GENIUS AND INSANITY.....133-150

Race--Insanity--The influence of sex--The heredity of genius--Criminal and insane parentage and descent of genius--Age of parents--Conception.

THE INFLUENCE OF DISEASE ON GENIUS.....151-152

Spinal diseases--Fevers--Injuries to the head and their relation to genius.

THE INFLUENCE OF CIVILIZATION AND OF OPPORTUNITY.....153-160

Large Towns--Large Schools--Accidents--Misery--Power--Education.

PART III.

_GENIUS IN THE INSANE._

INSANE GENIUS IN LITERATURE.....161-178

Periodicals published in lunatic asylums--Synthesis--Passion--Atavism--Conclusion.