And so in the dark silence of the mine gallery, lying at ease on sandbags, with no horrible whistlings overhead, David Jones settled himself to rest and ruminate, and in the fulness of time he slept.
Now the mining operations had gone without a hitch. Apparently the Hun had no idea that his privacy was going to be invaded, and no sounds of countermining had been heard. Once, very faint in the distance, a tapping had been heard about three days after they had started. Since then it had not been repeated, and the officer in charge was not to be blamed for thinking that he had the show to himself. Nevertheless it is an undoubted fact that the thing which woke David Jones was a large piece of earth falling on his face, and a light shining through the face of the listening gallery. The next moment he heard a muttered ejaculation in a language he did not know, and great masses of earth rained down on his face while the light was extinguished. His training as a miner enabled him to see in a moment what had happened. That part of his mind worked instinctively. A German gallery had opened into their listening gallery. Some
