On the night of September 4th a volunteer crew took the little _Intrepid_ into the harbor. She was filled with combustibles, and when she was close to the Moorish ships the powder was to be fired by a fuse that would give time for the crew to escape in a small boat. The night was dark, and the fleet soon lost sight of this fire-ship. She took the right course through the channel, but before she was near the Moors she was seen and they opened fire on her. Then came a loud explosion, and the _Intrepid_, with her crew, was blown into the air. No one knows whether one of the enemy's shots or her own crew fired the powder. This was the greatest disaster that befell the United States Navy during all its warfare with the Barbary pirates. Soon after Commodore Preble sailed for home, though most of his fleet were kept in the Mediterranean to protect American sailing vessels. The government at Washington, tired with the long warfare in the Mediterranean, soon afterward ordered the consul at Algiers, Tobias Lear, to treat for peace with the Pasha. A bargain was finally struck. One hundred Moors were exchanged for as many of the American captives, and sixty thousand dollars were paid as ransom for the rest. June 4, 1805, the American sailors, who had been slaves for more than nineteen months, were released from their chains and sent on board the war-ship _Constitution_. The Pasha declared himself a friend of the United States, and saluted its flag with twenty-one guns from his castle and forts. In the Barbary States rulers followed one another in rapid succession. He who was Dey or Pasha one week might be murdered by an enemy the next, and that enemy on mounting the throne was always eager to get as much plunder as he could. Treaties meant little to any of them, and so other countries kept on paying them tribute for the sake of peace. The United States fell into the habit of buying peace with Algiers, Tripoli, Morocco, and Tunis by gifts of merchandise or gold or costly vessels. But the more that was given to them the more greedy these Moorish rulers grew, and so it happened that from time to time they sent out their pirates to board American ships in order to frighten the young Republic into paying heavier tribute. Seven years later the second chapter of our history with the Barbary pirates opened. II The brig _Edwin_ of Salem, Massachusetts, was sailing under full canvas through the Mediterranean Sea, bound out from Malta to Gibraltar, on August 25, 1812. At her masthead she flew the Stars and Stripes. The weather was favoring, the little brig making good speed, and the Mediterranean offered no dangers to the skipper. Yet Captain George Smith, and his crew of ten Yankee sailors, kept constantly looking toward the south at some distant sails that had been steadily gaining on them since dawn. Every stitch of sail on the _Edwin_ had been set, but she was being overhauled, and at this rate would be caught long before she could reach Gibraltar.