convenient expedition. They travelled about the Continent for several years, sponging upon credulous rich men, and now and then performing successful transmutations by the aid of double-bottomed crucibles and the like. In the year 1726, Aluys, without his mother, who appears to have died in the interval, was at Vienna, where he introduced himself to the Duke de Richelieu, at that time ambassador from the court of France. He completely deceived this nobleman; he turned lead into gold (apparently) on several occasions, and even made the ambassador himself turn an iron nail into a silver one. The duke afterwards boasted to Lenglet du Fresnoy of his achievements as an alchymist, and regretted that he had not been able to discover the secret of the precious powder by which he performed them.
Aluys soon found that, although he might make a dupe of the Duke de Richelieu, he could not get any money from him. On the contrary, the duke expected all his pokers and fire-shovels to be made silver, and all his pewter utensils gold; and thought the honour of his acquaintance was reward sufficient for a roturier, who could not want wealth since he possessed so invaluable a secret. Aluys, seeing that so much was expected of him, bade adieu to his excellency, and proceeded to Bohemia accompanied by a pupil, and by a young girl who had fallen in love with him in Vienna. Some noblemen in Bohemia received him kindly, and entertained him at their houses for months at a time. It was his usual practice to pretend that he possessed only a few grains of his powder, with which he would operate in any house where he intended to fix his quarters for the season. He would make the proprietor the present of a piece of gold thus transmuted, and promise him millions, if he could only be provided with leisure to gather his lunaria major and minor on