'English prisoners, sir.'

'Prisoners! what use have we for prisoners? Better put a bullet into their brains. They will mean only so many more mouths to feed.'

'One is an officer, sir,' and the soldier nodded toward me.

'Ah well, he may be useful. But I have no time to deal with him now. Himmel! what's that?'

It was the noise of a tremendous explosion, and the whole place shook as though there were an earthquake.

The captain gave some rapid instructions which I did not hear, and then hurried away.

CHAPTER V

HOW A MAN WORKED A MIRACLE

Since then, I have been under some terrific bombardments, but up to that time I had never experienced anything so terrible. Evidently our big guns were turned on, and they had located the German trenches to a nicety. Moreover, I judged that something serious was on hand, for it continued hour after hour. Before long all lights went out, and I knew by the hoarse cries which the Germans were making that they were in a state of panic.

The bombardment had lasted perhaps an hour, when part of the roof of the cave fell in with a tremendous crash, and I imagined that several men were buried.