228 THE BOY CRUSADERS. - such as the Gate of the Talisman, a lofty minaret, built in 785; the tomb of Zobeida, the most beloved of the wives of Haroun Alraschid; and the famous Madressa College, founded in 1233 by the. Caliph Mustenatser. | ; No traces, however, are left of the palace so long inhabited by the caliphs; nor does anything mark the place where, though its glory was about to depart, it still stood in all its pride, with the black banner of the Abassides floating over its portals, when the ambassadors of St. Louis reached Bagdad, and craved an audience of the heir of the prophet. It was a sight to impress even men accustomed to the wealth and splendour of Acre; and they thanked God for having conducted them in safety to a place where there was a prospect of food and rest. But Walter Espec was not thinking of such things; — his whole mind was occupied with the question, whether or not his lost brother was a captive within these walls.