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The sea in some places seemed very deep, especially toward the south, in other parts very shallow; it ebbed and flowed, but the tides were neither high nor strong; in some parts its color was pure and sea-green, in others it looked muddy and as troubled as a pool. The current brings those islands that were carried over to the other side back again; but not to the same point, so that their motions are not exactly circular, but winding. About the middle of these islands, the ambient sea seemed to bend into a hollow, a little less, as it appeared to him, than eight parts of the whole. Into this sea were two entrances, by which it received two opposite fiery rivers, running in with so strong a current, that it spread a fiery white over a great part of the blue sea. This sight pleased him very much; but when he looked downward, there appeared a vast chasm, round, as if he had looked into a divided sphere, very deep and frightful, full of thick darkness, which was every now and then troubled and disturbed. Thence a thousand howlings and bellowings of beasts, cries of children, groans of men and women, and all sorts of terrible noises reached his ears; but faintly, as being far off and rising through the vast hollow; and this terrified him exceedingly.
