CONTENTS. vii 



48. Tajle - page 229 



49. Solubility in Water - ibid. 



50. Artificial Limits of Solubility - 231 



51. Great E\tent of Solubility - ibid. 



52. lyijlin^mJJnng Marks of Earths , 232 



53. Mr ttils ibid. 



54. Phlogijlic SubJIances 233 



55. Mixed FoQils - - i'4/W. 



56. Affinity of Foflils 234 



57. Affinity of Salts ivitb Earths and Me- 

 tnls ibid. 



58. Affinity of Earth with Metals 235 



59. Sulphureous Char after of Mttah ibid. 



60. Stone* - - -23- 



61. Organic FoJJils - - -2 36 



62. Volcanic Productions - 237 



63. Arrangement of Genera - 238 



64. Genera of Salts - - 240 



65. y/r/V/ ibid. 



66. Alkalies - - - 241 



67. 6V///X not fatnratcd - - /&>/. 



68. IVhcthcr neutral Salts are to be refer- 

 red to a diftinEl Genus - ibid. 



69. Mixed neutral Stilts - . 24-2 



70. Analogous Salts - - 243 



71. Other Combinations of Salts - ibid. 



72. Doubtful Genera of Salts - 244 



73. Genera of Earths - - #/</. 



74. Primitive Earths - - 245 



75. The common Origin of Earths ibid. 



a 4 $46. Reafonf 



