"It is they," I repeated. "What other men can be thirty leagues under ground?"
I again began to listen. Passing my ear over the wall from one place to another, I found the point where the voices seemed to be best heard. The word 'forlorad'again returned; then the rolling of thunder which had roused me from my lethargy.
"No," I said, "no; it is not through such a mass that a voice can be heard. I am surrounded by granite walls,and the loudest explosion could never be heard here!This noise comes along the gallery. There must be here some remarkable exercise of acoustic laws!"