XIII.

THE CAVERNS OF NAPLES.

EXCAVATIONS NEAR NAPLES.—POZZUOLI.—VISIT TO THE CAVE OF THE CUMEAN SIBYL.—ACCIDENT TO AN ENGLISH TRAVELLER.—HUMAN PACK-HORSES.—DARKNESS AND TORCHES.—THE LAKE OF AVERNUS.—DROWNED IN BOILING WATER.—A DANGEROUS WALK.—IN NERO’S PRISON.—INSTRUMENTS OF TORTURE.—USE OF THE RACK.—THE IRON BEDSTEAD.—BROILING A MAN ALIVE.—TREATMENT OF PRISONERS.—AN ANCIENT FUNERAL.—VIRGIL’S TOMB.—CONSTRUCTING WINE CELLARS.—NOVEL PLAN OF ROBBERY. 205