CHAPTER IV.

POLITICAL AND RELIGIOUS LUNATICS AND MATTOIDS.....242-313

Part played by the insane in the progressive movements of humanity--Examples--Probable causes--Religious epidemics of the Middle Ages--Francis of Assisi--Luther--Savonarola--Cola da Rienzi --San Juan de Dios--Campanella--Prosper Enfantin--Lazzaretti --Passanante--Guiteau--South Americans.

PART IV.

_SYNTHESIS. THE DEGENERATIVE PSYCHOSIS OF GENIUS._