“It’s not a question of shooting with the right hand or the left; it’s a question of holding one of your hands as though you were going to pull the trigger of a pistol with your arm bent. As for the pistol itself, when all is said, you can put that in your pocket!” And he added, “Let this be clearly understood, or I will answer for nothing. It is a matter of life and death. And now, silence and follow me!”

The cellars of the Opera are enormous and they are five in number. Raoul followed the Persian and wondered what he would have done without his companion in that extraordinary labyrinth. They went down to the third cellar; and their progress was still lit by some distant lamp.

The lower they went, the more precautions the Persian seemed to take. He kept on turning to Raoul to see if he was holding his arm properly, showing him how he himself carried his hand as if always ready to fire, though the pistol was in his pocket.

Suddenly, a loud voice made them stop. Someone above them shouted: