Slowly, I made my way in that direction; the sound growing plainer as I advanced, until in a little, I stood right above it. Even then, I could not perceive the cause, until I knelt down, and thrust my head over the cliff. Here, the noise came up to me, plainly; and I saw, below me, a torrent of clear water, issuing from a small fissure in the Pit side, and rushing down the rocks, into the lake beneath. A little further along the cliff, I saw another, and, beyond that again, two smaller ones. These, then, would help to account for the quantity of water in the Pit; and, if the fall of rock and earth had blocked the outlet of the stream at the bottom, there was little doubt but that it was contributing a very large share. Yet, I puzzled my head to account for the generally _shaken_ appearance of the place--these streamlets, and that huge cleft, further up the ravine! It seemed to me, that more than the landslip was necessary to account for these. I could imagine an earthquake, or a great _explosion_, creating some such condition of affairs as existed; but, of these, there had been neither. Then, I stood up, quickly, remembering that crash, and the cloud of dust that had followed, directly, rushing high into the air. But I shook my head, unbelievingly. No! It must have been the noise of the falling rocks and earth, I had heard; of course, the dust would fly, naturally. Still, in spite of my reasoning, I had an uneasy feeling, that this theory did not satisfy my sense of the probable; and yet, was any other, that I could suggest, likely to be half so plausible? Pepper had been sitting on the grass, while I conducted my examination. Now, as I turned up the North side of the ravine, he rose and followed. Slowly, and keeping a careful watch in all directions, I made the circuit of the Pit; but found little else, that I had not already seen. From the West end, I could see the four waterfalls, uninterruptedly. They were some considerable distance up from the surface of the lake--about fifty feet, I calculated. For a little while longer, I loitered about; keeping my eyes and ears open, but still, without seeing or hearing anything suspicious. The whole place was wonderfully quiet; indeed, save for the continuous murmur of the water, at the top end, no sound, of any description, broke the silence.