Suddenly he had a presentiment that this pedestrian was his Englishman, though dressed differently and with less elegance.

He could only see his rapidly disappearing back, but his instinct in this moment was superior to his eyes....

He did not need to look further....

It was the Englishman.
And without knowing why, he hastened his steps in order to catch up with him.

Then he broke into a run, finding that he was alone in the street, and that the other one had disappeared around the corner.
When Ferragut reached the harbor he could see him hastening away with an elastic step which amounted almost to flight.