"Get ready for trouble, Chunky," shouted the freckle-faced boy, the freckles standing out in blotches on his face, the latter now pale but resolute.

[CHAPTER XXIII]

AN EXCITING QUEST

A new crashing in the bushes off to the right of them caused Tad to swing about in that direction, peering apprehensively, not knowing what to expect.

"Ugh-ugh-ugh, oo-oo-ooo—o-o-o-o!"

Stacy Brown uttered a yell, for it seemed to him that the ground had shaken under his feet with that terrible roar. Stacy bolted.

"Don't run! You'll get lost!" shouted Tad.

There was no stopping the fat boy now. Fortunately Chunky did not get far. The plunging ponies sent him off in another direction, the little animals in their fear settling back on their haunches until they broke their tethers, after which they plunged away into the forest.

Tad did not have much time to think. A bellowing roar sounded almost under foot, it seemed, then suddenly a great hulk came into view. It was then that Tad understood. It was a giant moose that had been calling for its mates.

The instant the animal set eyes on the Pony Rider Boy its anger seemed to be aroused. With a bellow the animal started for him. Tad fired from the hip. He had no time to take careful aim. As it was, his bullet nearly put an end to the moose, for the leaden missile bored a hole through one of the big ears. The boy fired again, but he was too late. The moose charged into the camp with a terrifying roar. Tad leaped aside as the beast cleared the camp-fire and went crashing into the lean-to, and, as he leaped, Butler's rifle was knocked from his hands.