CHAPTER XXIII.

Antiquities of Constantinople—Ismäel Effendi—The Atmeidan—The Obelisk—The Delphic Tripod—The Column of Constantine—The Tchernberlè Tasch—The Cistern of the Thousand and One Columns—The Boudroum—The Roman Dungeons—Yèrè-Batan-Seraï—The Lost Traveller—Extent of the Cistern—Aqueduct of Justinian—Palace of Constantine—Tomb of Heraclius—The Seven Towers—An Ambassador in Search of Truth—Tortures of the Prison—A Legend of the Seven Towers 405