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The captain departed, looking rueful enough. At this rate, he would probably die of old age before his boat got to St. Louis. Next day he appeared on deck and again found Stephen faithfully standing up the middle of the river, fighting the whole vast force of the Mississippi, and whistling the same placid tune. This thing was becoming serious. In by the shore was a slower boat clipping along in the easy water and gaining steadily; she began to make for an island chute; Stephen stuck to the middle of the river. Speech was _wrung _from the captain. He said--