"You're right, Seth," declared the scoutmaster, "it _is_ a balloon, and it looks to me right now as though there's been trouble for the aeronaut. That gas-bag has a tough look to me, just as if it had lost about half of the stuff that keeps it floating! See how it wabbles, will you, fellows, and how low down over the trees it hangs. There, it just grazed that bunch of oaks on the little rise. The next time it'll get caught, and be ripped to pieces!"