They found it among some trees, a part of the frame imbedded in the earth. It looked in its destruction a sinister and misshapen monster. The machine gun, broken beyond repair, lay beside it. They knew that two other shattered objects were somewhere near in the bushes, but they would not look for them.

"A great victory for the besieged," said Wharton, "but it leaves us still besieged."

"However the aspect of the field of battle is changing," said John.

"In what way?"

"The twilight is coming and the sky is our foe's field of battle."

The increase in their own chances became apparent at once. The obscurity of night would be like a blanket between them and the flying men, and its promise now was for speedy arrival. The glory of the sun had faded already in the east, and the sky was becoming gray toward the zenith.

"If that flock expects to achieve anything against us," said John, "they must set about it pretty soon. In an hour they will have to come close to the ground to see us, and I fancy we can then leave the grove."

"Yes," said Wharton, "it's up to them now. We can stand here waiting for them until the darkness comes. Now, they've begun to act!"

A bomb burst, but the obscuring twilight was so deceptive that it fell entirely outside the wood and exploded harmless in a field.

"Poor work," said Carstairs.