CONTENTS. 



PAOB 



Preface vii 



CHAPTER 



1 1 



Dalton's Early Life and First Book 4 



II. His Epoch of greatest fertility 27 



III. Dalton's Social Life 51 



HiSTOKY OF THE AtOMIC ThEORY. 



IV. Ideas of Matter up to the time of Lucretius 74 



V. From Lucretius till the decay of Alchemy 98 



VI. Opinions during the transition from Alchemy to 



Chemistry 117 



VII. Phlogiston Period and Progress of the Balance 142 



VIII. Dr. Bryan Higgins and William Higgins 167 



IX. Richter 186 



X. Fischer, Berthollet, Proust, &c 216 



XI. Dalton's Atomic Theory 230 



XII. Later Life of Dalton 247 



XIII. Dalton's Intellectual Character 283 



XrV. Arrangement of Theories 288 



Index 293 



