CHAPTER

I. THE EXPLANATION OF MATERIAL CHANGES GIVEN BY GREEK THINKERS

II. A SKETCH OF ALCHEMICAL THEORY

III. THE ALCHEMICAL NOTION OF THE UNITY AND SIMPLICITY OF NATURE

IV. THE ALCHEMICAL ELEMENTS AND PRINCIPLES

V. THE ALCHEMICAL ESSENCE

VI. ALCHEMY AS AN EXPERIMENTAL ART

VII. THE LANGUAGE OF ALCHEMY

VIII. THE DEGENERACY OF ALCHEMY

IX. PARACELSUS, AND SOME OTHER ALCHEMISTS

X. SUMMARY OF THE ALCHEMICAL DOCTRINE--THE REPLACEMENT OF THE THREE
PRINCIPLES OF THE ALCHEMISTS BY THE SINGLE PRINCIPLE OF PHLOGISTON

XI. THE EXAMINATION OF THE PHENOMENA OF COMBUSTION

XII. THE RECOGNITION OF CHEMICAL CHANGES AS THE INTERACTIONS OF
DEFINITE SUBSTANCES

XIII. THE CHEMICAL ELEMENTS CONTRASTED WITH THE ALCHEMICAL PRINCIPLES