Edmund Dulac ONE night, in the City of Baghdad, the Khalifeh Harun-er-Rashid went forth with Ja’far, his Grand Vizier, and Mesrur, his Executioner, all three disguised as merchants, for it was the Khalifeh’s whim to wander abroad in this way at times, in order to learn how his people fared among themselves. Taking their way at random, they had not gone far before they noticed a brilliantly-lighted house whence came sounds of music and revelry. “O Vizier,” the Khalifeh said to Ja’far, “it is in my mind to enter this house, and see what entertainment we might find. Wherefore, devise