“No! I can swear to it. This is a reef knot, and I always make a running bowline.”

“You must be mistaken, Pencroft.”

“I am not mistaken!” declared the sailor. “My hand does it so naturally, and one’s hand is never mistaken!”

“Then can the convicts have been on board?” asked Herbert.

“I know nothing about that,” answered Pencroft, “but what is certain, is that some one has weighed the ‘Bonadventure’s’ anchor and dropped it again! And look here, here is another proof! The cable of the anchor has been run out, and its service is no longer at the hawse-hole. I repeat that some one has been using our vessel!”

“But if the convicts had used her, they would have pillaged her, or rather gone off with her.”

“Gone off! where to—to Tabor Island?” replied Pencroft. “Do you think, they would risk themselves in a boat of such small tonnage?”

“We must, besides, be sure that they know of the islet,” rejoined the reporter.

“However that may be,” said the sailor, “as sure as my name is Bonadventure Pencroft, of the Vineyard, our ‘Bonadventure’ has sailed without us!”

The sailor was positive that neither Gideon Spilett nor Herbert could dispute his statement. It was evident that the vessel had been moved, more or less, since Pencroft had brought her to Port Balloon. As to the sailor, he had not the slightest doubt that the anchor had been raised and then dropped again. Now, what was the use of these two maneuvers, unless the vessel had been employed in some expedition?