along, and at first thought the fellow had evil designs on some of those aboard the Falcon.
Then, when Koku saw the man aim at the big searchlight the giant sprang at him, and there was a scuffle. The gun went off, and the man escaped. An examination of the weapon he had left behind showed that it carried a highly explosive shell, which, had it hit the lantern, would have completely destroyed it, and might have damaged the airship.
"It was the smugglers, without a doubt," declared Mr. Whitford. "You can't get away from this place any too soon, Tom. Get a new hiding spot, and I will communicate with you there."
"But they are on the watch," objected Ned. "They'll see where we go, and follow us. The next time they may succeed in smashing the lantern."
"And if they do," spoke Tom, "it will be all up with trying to detect the smugglers, for it would take me quite a while to make another searchlight. But I have a plan."
"What is it?" asked the government agent.
"I'll make a flight to-day," went on the young inventor, "and sail over quite an area. I'll pick out a good place to land, and we'll make our camp there instead of here. Then I'll come back to this spot, and after dark I'll go up, without a
