laise," and the crowd joined in. It was their defiance to the savage Hun.
A few shots were fired by the Germans, but none of them did much damage, and then, as though operating on a schedule which must not, under any circumstances, be changed, the firing ceased, and the crowds once more filled the streets, for it was yet early in the night.
The next morning the boys went to report, as they did each day, expecting that they might be called back to duty. They also found, after being told that their leave was still in effect, that some of the aviators who had gone up the night before, to try to locate the German gun, were on hand.
"Now we can ask them what they saw," suggested Jack.
"That's what we will," assented Tom.
But the airmen had nothing to report. They had ascended high in search of a hostile craft carrying a big gun, but had seen none.
They had journeyed far over the German lines, hoping to discover the emplacement of the gun, if a long range cannon was being used. But they saw nothing.
"Not even flashes of fire?" asked Tom.
"Oh, yes, we saw those," an aviator said. "But there were so many of them, and in so many and such widely scattered places, that we
