Where were the rails? I was sure now that I was in the right level, then I suddenly realized that the railroad had been carried away by the rush of waters, and that I had no guide. Under these circumstances it was impossible for me to carry out my plan, and I was forced to turn back.
I swam back quickly to our place of refuge, the voices guiding me. As I approached, it seemed to me that my companions' voices were more assured as though they felt stronger. I was soon at the entrance of the shaft! I hallooed to them.
"Come back; come back," shouted the professor.
"I could not find the way," I called out.
"Never mind, the tunnel is nearly finished: they hear our cries and we can hear theirs. We shall soon speak."
I climbed quickly up to our landing and listened. We could hear the blows from the picks and the cries of those who worked for our freedom came to us feebly, but yet very distinct. After the first rush of joy, I realized that I was frozen. As there were no warm clothes to give me, they buried me up to the neck in coal dust and Uncle Gaspard and the professor huddled up against me to keep me warm.
We knew now that our rescuers would soon reach us through the tunnel and by the water, but these last hours of our imprisonment were the hardest to bear. The blows from the picks continued, and the pumping had not stopped for one moment. Strange, the nearer we reached the hour
