He had already reached its outer edge, and in another ten seconds must have been able to push directly through, when, just as he feared, he heard sounds that announced the finish of that stage of the game.

The loud crackle of a motor’s exhaust broke the silence; and from the rapidity with which it worked he knew that the engine had been started at almost full speed.

“Oh! rats!” burst out George, who had been doing his best to get alongside Jack, and succeeded too, “they’ve got away from us!”

They kept on running, however, and speedily broke through the fringe of shrubbery that shut off their view. As they did so it was to hear a loud hoarse laugh, that came rolling in from the water, and to see a white boat rushing away over the glistening surface of the river.


[CHAPTER XVI]
IN HOT PURSUIT

“It’s all off!” grunted Josh, evidently vastly disappointed by the outcome of their adventure.

“Yes, they’ve given us the slip!” declared Jack, who was already trying to think up some new plan whereby they might further harrass the bold thieves who had thus far carried things all their own way.

“How’d you come to let ’em go?”