Both Dr. Fox and his son, who were sleeping soundly, heard his shouts at the same moment, and both sprang out of their beds and rushed to a window to look out.

Charlie missed his chum at once, for the pair had occupied the same bed, and for an instant he wondered where he had gone.

“Fire!” came up Jack’s voice again.

“Good gracious!” exclaimed Charlie, “That surely is his voice,” and he threw up his window, which faced almost directly on the surgery.

At the same moment he heard the window of the front room go up with a bang, and his father’s voice exclaim:

“Hello! What’s wrong?”

For the moment there was no answer as Jack had just taken another bucket of water inside.

But he presently reappeared with the empty bucket swinging in his hand.

He presented a strange sight to Charlie, for his hair was disheveled, he was attired only in his trousers, undershirt and boots, and his face was flushed from the exertion and excitement.

“Hello, Jack!” exclaimed the doctor’s son. “What the mischief is wrong?”