CONTENTS. 



PART I. 



C/F EARTHS and STONES P. l 



CHAP. I. 



Of Simple Earths, their number and Cba- 

 ratters 3 



CHAP. II. 



Of the Affinities of Earths to each other r I 



CHAR III. 



Of the Syflematical Arrangement of Earths and 

 Stones 1 8 



CHAP. IV. 



Calcareous Genus 22 



CHAP. V. 



Barytic Genus ~ "53 



CHAP. VI. 



Muriatic Genus 58 



CHAP. VII. 



Argillaceous Genus 71 



CHAP. VIII. 



Siliceous Genus 103 



CHAP. IX. 

 Of Vegetable and Animal Earths i j/j. 



APPENDIX I. 



Of Diamond and Plumbago 157 



APPENDIX II. 



Of the general Examination and Analyjis of 

 Earths and Stones * . 160 



a PART II, 



