ger and fall, while his cap was whisked from his head, and sent high into the air, almost instantly disappearing from sight.
"Some wind that," murmured Ned, in rather awe-struck tones.
"That's so," agreed his chum. "But we'd better help Mr. Damon," for that gentleman was slowly crawling back, not caring to trust himself on his feet, for the wind had actually carried him down by its force.
"Bless my anemometer!" he gasped, when Tom and Ned had given him a hand up. "What happened?"
"It was the great wind," explained Tom. "It blows only in a certain zone, like a draft down a chimney. It is like a cyclone, only that goes in a circle. This is a straight wind, but the path of it seems to be as sharply marked as a trail through the forest. I guess we're here all right. Does this location look familiar to you?" he asked of the Russian brothers.
"I can't say that it does," answered Ivan. "But then it was winter when we were here."
"And, another thing," put in Peter. "That wind zone is quite wide. The mine may be in the middle, or near the other edge."
"That's so," agreed Tom. "We'll soon see what we can do. Come on, Ned, let's get the
