The dregs must be calcined to extract a salt from them. 6. Pour the distilled dew imbued with this extracted salt upon the seed, and then close the vessel with pounded glass and with borax. It must then be kept for a month in a hot bed of horse-dung. 7. Take out the vessel and you will see the seed at the bottom become like jelly; the spirit will float on the top like a thin skin of divers colours; between the skin and the thick substance at the bottom you will see a kind of greenish dew. 8. Expose the vessel, being well closed, during the summer to the sun by day, and to the moon by night. When the weather is thick and rainy, it must be kept in a dry and warm place. Sometimes the work is perfected in two months, sometimes it requires a year. The signs of success are, when you see that the muddy substance swells and raises itself; that the spirit or thin skin diminishes daily, and that the whole is thickening. Then when you see in
