“It’s too low, and it doesn’t move like a cloud,” objected Jerry.

They watched it for some time, as it got larger and larger.

“Why it’s all around us!” suddenly exclaimed Bob.

And so it was. The travelers were hemmed in by a peculiar, moving ring, that seemed to get smaller and smaller.

“What do you think it is, Professor?” asked Ned.

“That? Why—er that is—um—curious, I can’t just say what it is,” replied Mr. Snodgrass.

“I have a small telescope,” said Ned, producing it from his pocket, “We’ll take a look through it,” and he adjusted it, focusing it on the dark ring, that was, every moment, growing closer and closer to the little group on the hill.

CHAPTER IX.
A LUCKY ESCAPE

“What do you make it to be?” asked Jerry, as Ned was staring through the glass.

“Cattle!”