The history of men is reflected in the history of sewers. The Germoniae 98 narrated Rome. The sewer of Paris has been an ancient and formidable thing. It has been a sepulchre, it has served as an asylum. Crime, intelligence, social protest, liberty of conscience, thought, theft, all that human laws persecute or have persecuted, is hidden in that hole; the maillotins in the fourteenth century, the tire-laine of the fifteenth, the Huguenots in the sixteenth, Morin’s illuminated in the seventeenth, the chauffeurs 99 in the eighteenth. A hundred years ago, the nocturnal blow of the dagger emerged thence, the pickpocket in danger slipped thither; the forest had its cave, Paris had its sewer. Vagrancy, that Gallic picareria