There, mixed up together in the greatest confusion, lay instruments of all sorts, caldrons and retorts, as well as books containing the most absurd ravings of the human mind.

There were the twenty folio volumes of Albertus Magnus; the works of his disciple, Thomas de Cantopre, of Alchindus, of Averroes, of Avicenna, of Alchabitius, of David de Plaine-Campy, called L'Edelphe, surgeon to Louis XIII and author of the celebrated book The Morbific Hydra Exterminated by the Chemical Hercules.

Beside a bronze head, such as the monk Roger Bacon possessed, which answered all the questions that were addressed to it and foretold the future by means of a magic mirror and the combination of the rules of perspective, lay an eggshell, the same which had been used by Caret, as d'Aubigne tells us, when making men out of germs, mandrakes, and crimson silk, over a slow fire.

In the presses, which had sliding-doors fastening with secret springs, stood Jars filled with noxious drugs, the power of which was but too efficacious; in prominent positions, facing each other, hung two portraits, one representing Hierophilos, a Greek physician, and the other Agnodice his pupil, the first Athenian midwife.
For several years already La Constantin and Claude Perregaud had carried on their criminal practices without interference.

A number of persons were of course in the secret, but their interests kept them silent, and the two accomplices had at last persuaded themselves that they were perfectly safe.