hollowed by nature and art beneath the surface of the earth. The engineer was persuaded that far richer deposits of mineral wealth than had yet been detected, would be found in a new shaft that had been commenced under his operations. In piercing this shaft we came one day upon a chasm jagged and seemingly charred at the sides, as if burst asunder at some distant period by volcanic fires. Down this chasm my friend caused himself to be lowered in a 'cage,' having first tested the atmosphere by the safety-lamp. He remained nearly an hour in the abyss. When he returned he was very pale, and with an anxious, thoughtful expression of face, very different from its ordinary character, which was open, cheerful, and fearless.
He said briefly that the descent appeared to him unsafe, and leading to no result; and, suspending further operations in the shaft, we returned to the more familiar parts of the mine.
All the rest of that day the engineer seemed pre-occupied by some absorbing thought. He was unusually taciturn, and there was a scared, bewildered look in his eyes, as that of a man who has seen a ghost. At night, as we two were sitting alone in the lodging we shared together near the mouth of the mine, I said to my friend,
"Tell me frankly what you saw in that chasm: I am sure it was something strange and terrible. Whatever it be, it has left your mind in a state of doubt. In such a case two heads are better than one. Confide in me."
The engineer long endeavoured to evade my inquiries; but as, while he spoke, he helped himself unconsciously out of the brandy-flask to a degree to which he was wholly unaccustomed, for he was a very temperate man, his reserve gradually melted away. He who would keep himself to himself should imitate the dumb animals, and drink water. At last he said, "I will tell you all. When the cage stopped, I found myself on a ridge of rock; and below me, the chasm, taking a slanting direction, shot down to a considerable depth, the darkness of which my lamp could not have penetrated. But through it, to my infinite surprise, streamed upward a steady brilliant light. Could it be any volcanic fire; in that case, surely I should have felt the heat. Still, if on this there was doubt, it was of the utmost importance to our common safety to clear it up. I examined the sides of the descent, and found that I could venture to trust myself to the irregular projections or ledges, at least for some way. I left the cage and clambered down. As I drew near and nearer to the light, the chasm became wider, and at last I saw, to my unspeakable amaze, abroad level road at the bottom of the abyss, illumined as far as the eye could reach by what seemed artificial gas-lamps placed at regular intervals, as in the thoroughfare of a
