TABLE OF CONTENTS. 



LECTURE I. 



PAGE 



Introduction The Phlogiston Theory in its First and in its Later 

 Acceptations Chemical Knowledge of the Phlogistians Fall 

 of the System - I 



LECTURE II. 



Revolution of the Views regarding Combustion Priestley Scheele 



Lavoisier Indestructibility of Matter 15 



LECTURE III. 



Chemical Nomenclature Tables of Affinity Berthollet's Views 



Controversy regarding Constant Composition - 31 



LECTURE IV. 



Richter's Investigations Dalton's Atomic Theory Gay-Lussac's 

 Law of Volumes - Avogadro's Hypothesis Wollaston's 

 Equivalents - - 47 



LECTURE V. 



Davy's Electro-Chemical Theory Discovery of the Alkali Metals 

 Discussion regarding their Constitution Does Hydrochloric 

 Acid contain Oxygen ? Hydrogen Theory of Acids 67 



LECTURE VI. 



Berzelius and his Chemical System Dulong and Petit's Law 

 Isomorphism Prout's Hypothesis Dumas' Vapour Density 

 Determinations Gmelin and his School - 85 



