Susie gave a little start, which Dr. Porhoët noticed.
“What is the matter with you?”
“Nothing,” she said quickly.
He looked at her for a moment, then proceeded with the subject that strangely fascinated him.
“You must let me take you one day to the library of the Arsenal. There is no richer collection in the world of books dealing with the occult sciences. And of course, you know that it was at the Arsenal that the tribunal sat, under the suggestive name of chambre ardente, to deal with cases of sorcery and magic?”
“I didn’t,” smiled Susie.
“I always think that these manuscripts and queer old books, which are the pride of our library, served in many an old trial. There are volumes there of innocent appearance which have hanged wretched men and sent others to the stake. You would not believe how many persons of fortune, rank, and intelligence, during the great reign of Louis XIV., immersed themselves in these satanic undertakings.”
Susie did not answer. She could not now deal with these matters in an indifferent spirit. Everything she heard might have some bearing on the circumstances which she had discussed with Dr. Porhoët times out of number. She had never been able to pin him down to an affirmation of faith. Certain strange things had manifestly happened, but what the explanation of them was no man could say. He offered analogies from his well-stored memory. He gave her books to read till she was
