“Hallo,” he cried, “this is queer!”

“What is the matter, Pencroft?” asked the reporter.

“The matter is, that it was not I who made this knot!”

And Pencroft showed a rope which fastened the cable to the bitt itself.

“What, it was not you?” asked Gideon Spilett.

“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!”