After this, and several other Conferences, which the Empress held with the Worm-men, she dismissed them; and having taken much satisfaction in several of their Answers, encouraged them in their Studies and Observations. Then she made a Convocation of her Chymists, the Ape-men; and commanded them to give her an account of the several Transmutations which their Art was able to produce. They begun first with a long and tedious Discourse concerning the Primitive Ingredients of Natural bodies; and how, by their Art, they had found out the principles out of which they consist. But they did not all agree in their opinions; for some said, That the Principles of all Natural Bodies were the four Elements, Fire, Air, Water, Earth, out of which they were composed: Others rejected this Elementary commixture, and said, There were many Bodies out of which none of the four Elements could be extracted by any degree of Fire whatsoever; and that, on the other side, there were divers Bodies, whose resolution by Fire reduced them into more then four different Ingredients; and these affirmed, That the only principles of Natural Bodies were Salt, Sulphur, and Mercury: Others again declared, That none of the forementioned could be called the True Principles of Natural Bodies; but that by their industry and pains which they had taken in the Art of Chymistry, they had discovered, that all Natural Bodies were produced but from one Principle, which was Water; for all Vegetables, Minerals, and Animals, said they, are nothing else, but simple Water distinguished into various figures by the vertue of their Seeds. But after a great many debates and contentions about this Subject, the Empress being so much tired that she was not able to hear them any longer, imposed a general silence upon them, and then declared her self in this following Discourse.