"Which shows merely that they are to be used only from this direction, does it not?"
"Yes, that is plain; but we are now in another building, evidently,—a building that must open on some other street than the Rue St. Jacques."
In the mean time Jean had finally unfastened and forced the trap. In another moment he had drawn her through the opening and they stood under a cloudless sky.
"Ah!" she murmured.
"We are free, at least, mon enfant."
She was not thinking of that. The silence, the glorious vault of stars, the——
"S-sh!"
"It's the bell of Sainte Geneviève," he whispered, crossing himself involuntarily.
"Cover the light, Monsieur Jean. These roofs have scores of eyes——"
"And a couple of prowlers might be the target for a score of bullets, eh? True enough!"