of men moving about, and some of them were crouching back of their biggest machine-guns. This is one of those jumbo forts we've heard of; no mistake about it either."
"Grab off the location to a dot then, Felix, and we'll see what can be done for those waiting Yankee batteries!" snapped Jack, greatly excited, as well as pleased, by their important discovery. "Let me know when you have your landmarks, and I'll elevate, so we can get in touch with the battery observer."
"It's the king-pin of all their nests. Jack, a regular bouncer, I tell you!" cried the other, using his glasses again to advantage.
"All right then," the pilot assured him, "we'll see that their name is mud before much longer. Ready, Felix?"
Instead of giving Jack the reply which the other expected the oberver gave a sudden startled yell.
"They've got us trapped, Jack! Sure they have! Look up!" came his warning shout, and as the pilot craned his neck to obey he discovered no less than three big German Gotha battleplanes hovering over them, waiting to engage them in a most unequal combat.
