"Don't disturb it; we may want to compare it with the marks in the cave .-- Hello! What's this?
The print of a bare foot--that's our friend, Mose." He took out a pocket rule and made careful measurements of both prints; the result he set down in a note book.

I was quite as excited now as Terry.

We crawled along on all fours until we reached the open trap; there was no trace here of either spider-webs or dust.

We scrambled into the loft without much difficulty, and found a large room with sloping beams overhead and two small windows, innocent of glass, at either end.
The room was empty but clean; it had been thoroughly swept, and recently.

Terry poked about but found nothing.
"H'm!" he grunted.