the King was vexed with the falcon and rose and filled the cup a third time and set it before the horse: but the falcon again overturned it with its wing. Then said the King, 'God confound thee, thou most mischievous of fowls, thou wilt neither drink thyself nor let me nor the horse drink!' And he smote it with his sword and cut off its wings: whereupon it erected its head and made signs as who should say, 'Look what is at the top of the tree.' The King raised his eyes and saw at the top of the tree a brood of snakes, and this was their venom dripping, which he had taken for water. So he repented him of having cut off the falcon's wings and mounting, rode on till he reached his tents and gave the gazelle to the cook to roast. Then he sat down on his chair, with the falcon on his wrist: and presently the bird gasped and died: whereupon the King cried out in sorrow and lament for having slain the bird that had saved him from death, and repented him when repentance availed him not. This, then, is the story of King Sindbad; and as for thee, O Vizier, envy hath entered into thee, and thou wouldst have me kill the physician and after repent, even as King Sindbad repented." "O mighty King," answered the Vizier, "what harm has this physician done me that I should wish his death? Indeed I only do this thing in compassion for thee and that thou mayst know the truth of the matter: else may I perish as perished the Vizier who plotted to destroy the king his master's son." "How was that? asked the King, and the Vizier replied, "Know, O King, that The King's Son and the Ogress.