"Not a doubt of it," his uncle agreed. "And it is by His grace that you're alive now," he added turning to Bob again.

"I—I know it, sir."

"And you'd better take your bath in the tub after this," Mr. Lakewood remarked dryly as he turned back to his cabin.

"I sure thought I was a goner that time," Bob said, as he pulled on his clothes after his uncle had left them.

"He must be all of twenty feet long," Jack said as he looked over the rail at the dead fish.

"About one bite and it would have been all up with me," Bob sighed.

"Well, let's not talk any more about it. It's too horrible. How about getting a line on him?"

"I suppose we ought to save the oil."

They got a rope and, lowering one of the small boats, they soon had the shark securely tied, and later the crew secured several quarts of the valuable oil from its head.

All the next day, the work of repairing the engine went on, and it was not until supper time that MacDonald finally announced that they could proceed as soon as they wished.