His words were drowned in a new roar of artillery and machine-gun fire. The heavy booming and the short, sharp, rattling explosions of the smaller guns seemed very close at hand.

"Something's doing!" cried Jimmy.

"Come on!" shouted his chum, and, with their rifles and gas masks, which they had brought up out of the shell hole, they rushed forward. And as they advanced they became aware of shrill, whistling sounds in the air about them.

"Duck! Duck!" yelled Roger. "They're firing over our sector now!
We've got to crawl back!"

Jimmy realized this as well as did his chum, and, in another moment, the two were making their way back to their line as they had left it, by alternately moving on their hands and knees and again by working themselves forward on their elbows and stomach. It was the only safe way. The horizontal storm of missiles was, fortunately, about three feet above them, but that distance precluded walking upright.

"Come on, boys! Fall in! Fall in!" cried their lieutenant as Roger and
Jimmy got back "We're going to advance. You're just in time!"

"Did you find him?" asked Bob, as he leaped to his feet in readiness for a dash toward the German lines.

"Yes. In a shell hole!" yelled Jimmy, for the firing was heavy on both sides of them now, making a vicious din.

"Alive!" Franz wanted to know.

"Yes, alive, but how long he'll be that way it's hard to say," answered Roger. "He was under a pile of dirt and—"