I HE RIVER RISES? * "Who is at the wheel, sir %' 113 ' Dart for the pilot-house, quicker than lightning !' The next moment "both men were flying up the pilot - house companion way, three steps at a jump ! Nobody there ! The great steamer was whistling down the middle of the river at her own sweet will ! The watchman shot out of the place * 3SOBODY THESE.' again; Ealer seized the wheel, set an engine back with power, and held his breath while the "boat reluctantly swung away from a i