The bats chased the children a good distance; but the fugitives plunged into every new passage that offered, and at last got rid of the perilous things.

Tom found a subterranean lake, shortly, which stretched its dim length away until its shape was lost in the shadows.
He wanted to explore its borders, but concluded that it would be best to sit down and rest awhile, first.

Now, for the first time, the deep stillness of the place laid a clammy hand upon the spirits of the children.

Becky said: "Why, I didn't notice, but it seems ever so long since I heard any of the others." "Come to think, Becky, we are away down below them--and I don't know how far away north, or south, or east, or whichever it is.

We couldn't hear them here." Becky grew apprehensive.
"I wonder how long we've been down here, Tom?
We better start back." "Yes, I reckon we better.