Heron paid no attention to him.

Now he had traversed the antechamber and unlatched the outer door.
Immediately a couple of bayonets were crossed in front of him, two more further on ahead scintillated feebly in the flickering light.

Chauvelin had taken his precautions.

There was no doubt that Armand St.Just was effectually a prisoner now.
With a sigh of disappointment he went back to his place beside the fire.

Heron had not even moved whilst he had made this futile attempt at escape.