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AN ALARM
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As she turned to dive into the tunnel there was a sharper and more eager yelp, and a shaggy animal came to the edge of the bluff to their left and, without stopping an instant, plunged down through the drifts toward the two girls where they stood on the hard-packed snow at the mouth of the tunnel.
"It is a wolf!" wailed Bobby, and immediately disappeared, head first, down the hole in the snow drift.
