Page:Gaston Leroux--The man with the black feather.djvu/303

Rh find their way about them and a way out. They had had to give it up, and to content themselves with building three pillars to prop up the roof, along the top of which their sewer ran, with materials let down through the hole by which we had so hastily descended, and which had been so definitely and unfortunately bricked up over our heads.

"Not to discourage him, I informed him that to my certain knowledge we could reckon on at least three hundred and ten miles of Catacombs, and that there was no reason that there should not be more. It was evident that if I did not at once make clear to him the difficulty of getting out, he would have yielded to despair at the end of a couple of days' journey.

"'Bear in mind then,' I said, 'that they hollowed this soil from the third to the seventeenth century! Yes; for fourteen hundred years man has raised from under the soil the materials which were necessary for building on the top of it! So much so that from time to time, since there is too much on the top, and in places nothing at all beneath, the things on top have returned beneath whence they came.'

"Since we found ourselves under the ancient