"Smee," he said, "this seat is hot." He jumped up.

"Odds bobs, hammer and tongs I'm burning." They examined the mushroom, which was of a size and solidity unknown on the mainland; they tried to pull it up, and it came away at once in their hands, for it had no root.

Stranger still, smoke began at once to ascend.

The pirates looked at each other.

"A chimney!" they both exclaimed.
They had indeed discovered the chimney of the home under the ground.