Jack was a capital swimmer, and he was satisfied there was no wish to drown him; but he had scarcely passed below the surface, when it occurred to him that there was a possibility of turning the jest upon his captors. The water was very deep, and he kept sinking until his feet softly touched the bottom. As he gave himself the slight impulse which sent him upward again, he not only swam swiftly with the rapid current, but moved as close to shore as possible, and began creeping up the side of the bank.