My reward came to me some ten minutes later when, as I went soaring up on the breast of an unusually high wave, I caught a momentary glimpse of what was undoubtedly a small piece of plank of some sort floating in the midst of a lacework of foam on the crest of a wave immediately in line with the knoll by which I was directing my course, and which, like everything else at a greater distance than some fifty or sixty fathoms, I could only see when on the summit of a wave.
