The sea-shore was bounded by rocks, sand and shingle, on and amongst which were found sea-urchins and sea-squirts, also jelly-fish and many other forms of amœbæ. The water was wonderfully clear, showing deep grey-blue when in bulk, and though the waves were apparently the same as those of Earth-seas, they were found to go to the very bottom, yet there seemed to be no tide. The rocks were covered with barnacles, limpets, sea-weeds and other sea-growths; they were wet to a fixed level only, except where splashed by the lapping water or the waves driven by the wind; there had been no evidence anywhere of a tide, and the water was in a state of calm, but as they approached the further hemisphere, the character and motion gradually changed, and at that portion almost opposite the place where they had first landed, although there were still no tides, the waves were so awful and so mighty as to make the sea altogether unnavigable. It seemed as if each wave was a great tidal wave caused by the eruption of volcanoes under the sea-bed, or some other upheaval of the ocean, for so far as the eye could reach were waves rising in blocks, as if great slabs of water had been cut out of the ocean, and these were being pushed along the top as solid things which tore along in walls seventy or eighty feet high, rolling great rocks before them as if they were seeds, their crests for ten or twenty feet deep white with foam. Straight up from the beach a wave would roar till its energy was spent, when suddenly breaking, it fell, an avalanche of water, in an overwhelming flood, and the shore became a huge cauldron of foam. Quickly this subsided, leaving the rocky bed as if filtered through, its place soon to be taken by the next wave, and so on unceasingly, without any abatement, the sea from its inmost depths being lifted up and almost turned upside down. So powerful was the force of these waves and so sudden their break, that though the travellers spent several days trying to get samples of deep-sea water and dredgings of the ocean bed, everything they let down was lost, wrenched away by the awful rush of these terrible waves, which were wonderful even in calm, but when driven by the wind they were beyond description, and one could not keep the thought out of the mind that if on the shore, and in search of some of the wondrous stones and seaweed brought up with each wave, a rush had been made between the waves to snatch the treasure before it was reclaimed by the ocean, once the safe ground had been left, the sudden inrush of the succeeding wave would be so appalling as to terrify into inaction, though but a stride from safety, for these waves did not flow as do those of Earth, but came to their limits as a solid, and then suddenly stood and fell. Any one venturing too near and seeing this wall of water come towering along would become rooted to the spot with fear, powerless to do aught but give an agonised cry for help—the help that could never come to