where the tincture is said to be still buried in the ground. In the year 1698 some of it penetrated through the soil, and the phenomenon was witnessed by many people, who believed it to be a miracle. The church which was thereupon erected is still a well-known place of pilgrimage. Paracelsus concludes his directions for its manufacture with the words: But if this be incomprehensible to you, remember that only he who desires with his whole heart will find, and to him only who knocks vehemently shall the door be opened.”
“I shall never try to make it,” smiled Arthur.
“Then there was the Electrum Magicum, of which the wise made mirrors wherein they were able to see not only the events of the past and of the present, but the doings of men in daytime and at night. They might see anything that had been written or spoken, and the person who said it, and the causes that made him. But I like best the Primum Ens Melissae. An elaborate prescription is given for its manufacture. It was a remedy to prolong life, and not only Paracelsus, but his predecessors Galen, Arnold of Villanova, and Raymond Lulli, had laboured studiously to discover it.”
“Will it make me eighteen again?” cried Susie.
“It is guaranteed to do so,” answered Dr. Porhoët gravely. “Lesebren, a physician to Louis XIV., gives an account of certain experiments witnessed by himself. It appears that one of his friends prepared the remedy, and his curiosity would not let him rest until he had seen with his own eyes the effect of it.”