CHAUVELIN'S ADVICECitizen Chauvelin had drawn his colleague with him to the end of the cell that was farthest away from the recess, and the table at which the prisoner was sitting.
Here the noise and hubbub that went on constantly in the guard room would effectually drown a whispered conversation. Chauvelin called to the sergeant to hand him a couple of chairs over the barrier. These he placed against the wall opposite the opening, and beckoning Heron to sit down, he did likewise, placing himself close to his colleague.
From where the two men now sat they could see both into the guard-room opposite them and into the recess at die furthermost end of the cell.
"First of all," began Chauvelin after a while, and sinking his voice to a whisper, "let me understand you thoroughly, citizen Hero
