"It may be there are some sort of records or tablets somewhere about the buildings which will indicate what they were erected for; but my investigations thus far leave me just as much in the dark as when I first saw them," remarked John, as they were examining the structures.
"I wonder if they have corner stones? Sometimes they put records there," observed Harry.
"I made an examination in that direction also, but the character of the underpinning is the same all around, and the corners have no distinguishing stones."
"It must be a very old custom to have cornerstones for buildings."
"It was a custom to have cornerstones, or memorial stones, in all buildings in ancient times. They were well known in the time of Job, and buildings thousands of years prior to his day contained them. It is not known from what the custom arose."
"Didn't you say that the treasure charts showed the existence of caves to the southeast of the cave we found at the Tuolos' village?"
"Yes, and that is something that we shall have to investigate to-morrow. To-day the patients still need our care, but they will be well enough to enable us to be absent to-morrow."
"I think we ought to make sketches of the plan of this town. I have a presentiment that we shall know something more about this place in the future," said George.