CHAPTER VII

THE ZEPPELIN

 The brilliant sunlight faded into gray, but the European twilight lingers, and it was long before night came. John and Lannes stood beside the Arrow, and for a while neither spoke. They were listening to the thunder of the great guns and they were trying to imagine how the battle was swaying over the distant and darkening fields. The last of the air scouts had disappeared in the dusk.

"The sound doesn't seem to move," said Lannes,"and our men must be holding their own for the present. Still, it's hard to tell about the location of sound."

"How far away do you think it is?"

"Many miles. We only hear the giant cannon. Beneath it there must be a terrible crash of guns and rifles. I've heard, John, that the Germans have seventeen-inch howitzers, firing shells weighing more than two thousand pounds, and France furnishes the finest roads in the world for them to move on."

He spoke with bitterness, but in an instant or two he changed his tone and said:

"At any rate we haven't made a god out of war, and that's why we haven't seventeen-inch cannon. Perhaps by not setting up such a god we've gained something else--republican fire and spirit that nothing can overcome."

The twilight now deepened and the darkness increased fast in the wood, but the deep thunder on the western horizon did not cease. John thought he saw flashes of fire from the giant cannon, but he was not sure. It might be sheaves of rays shot off by the sunken sun, or, again, it might be his imagination, always vivid, but stimulated to the last degree by the amazing scenes through which he was passing.

After a while, although the throb of the great guns still came complete darkness enveloped the grove. It seemed now to John that the sound had moved farther westward, but Lannes had just shown such keen emotion that he would not say the Germans were pushing their way farther int