End of Journey in this Direction.—Lake of Peten.—Probable Existence of Ruins in the Wilderness.—Islands in the Lake of Peten.—Peten Grande.—Mission of two Monks.—Great Idol of the Figure of a Horse.—Broken by the Monks, who in Consequence are obliged to leave the Island.—Second Mission of the Monks.—Sent away by the Indians.—Expedition of Don Martin Ursua.—Arrival at the Island.—Attacked by the Indians, who are defeated.—Don Martin takes Possession of Itza.—Temples and Idols of the Indians.—Destroyed by the Spaniards.—Flight of the Indians into the Wilderness.—Preparations.—Illness of Mr. Catherwood.—Effects of Gambling.—From the Church to the Gaming-table.—How People live at Iturbide.—Departure.—Rancho of Noyaxche.