CHAPTER XVI.
AIGUES MORTES AND MAGUELONNE.
A dead town—The Rhônes-morts—Bars—S. Louis and the Crusades—How S. Louis acquired Aigues Mortes—His canal—The four littoral chains and lagoons—The fortifications—Unique for their date—Original use of battlements—Deserted state of the town—Maguelonne—How reached—History of Maguelonne—Cathedral—The Bishops forge Saracen coins—Second destruction of the place—Inscription on door—Bernard de Treviis—His romance of Pierre de Provence—Provençal poetry not always immoral—Present state of Maguelonne