ADVENTURES OF CAPTAIN HORN
peered in. Below, and immediately under him, was a black hole, about three feet square. Burke was so startled that he almost dropped the lantern. But he was a man of tough nerve, and maintained his clutch upon it. But he drew back. It required some seconds to catch his breath. Presently he looked down again.
"I see," said he. "That trap-door was made to fall down, and not to lift up, and when I pulled the bolt, down it went, and the ladder, being on top of it, slipped into that hole. Heavens!" he said, as a cold sweat burst out over him at the thought, "suppose I had made up my mind to cut that bolt! Where would I have gone to?"
It was not easy to frighten Burke, but now he trembled, and his back was chilled. But he soon recovered sufficiently to do something, and going down to the floor of the cave, he picked up a piece of loose stone, and returning to the top of the mound, he looked carefully over the edge of the opening, and let the stone drop into the black hole beneath. With all the powers of his brain he listened, and it seemed to him like half a minute before he heard a faint sound, far, far below. At this moment he was worse frightened than he had ever been in his life. He clambered down to the foot of the mound, and sat down on the floor.
"What in the name of all the devils does it mean!" said he; and he set himself to work to think about it, and found this a great deal harder labor than cutting stone.
"There was only one thing," he said to himself, at last, "that they could have had that for. The captain says that those ancient fellows put their gold there
288
