Monk turned round.

“Ah! I thought Digby was following us!” said he. “So much the better; he will procure us what we want.”

“Yes, general, there is a man yonder who has been walking behind us for some time.”

“Digby!” cried Monk. “Digby! come here, if you please.”

But instead of obeying, the shadow made a motion of surprise, and, retreating instead of advancing, it bent down and disappeared along the jetty on the left, directing its course towards the lodging of the fishermen.

“It appears not to be Digby,” said Monk.

Both had followed the shadow which had vanished. But it was not so rare a thing for a man to be wandering about at eleven o’clock