"He's rather tall and has a full black beard," was the answer.

"Then it's not one of Judson's crowd," said Jack with conviction.

"I guess we are all the victims of nerves to-day," smiled the captain.

They swung round a point and threaded the channel that led among the shoaly waters of Musky Bay. The point shut out any rearward view of the black motor boat and they saw no more of it. Captain Simms invited them up to the house he occupied, which was isolated from the half dozen or so small habitations that made up the settlement. It was plainly furnished and the living room was littered with papers and documents.

"What made you select Musky Bay as a retreat?" asked Jack.

"I come from up in this part of the country," rejoined Captain Simms, "and I thought this would be a good quiet place to hide myself till my work was complete. But it seems," he added, with a smile, "that I may have been mistaken."

"Oh, I don't know," replied Jack. "Those fellows would never think of trailing you here. I guess they think you are still in Clayton."

"Let us hope so, anyway," said the captain, and here the discussion ended.

Soon after they said good-by, promising to run over again before long. Their boat was all ready for them. A good job had been done with it.

"It looks as good as new," commented Jack.