XX 
CONTENTS. 
COMBUSTIBLE MINERALS. page. 
Sulphur,. 94 
Anthracite and Coal,. 94 
Peat,. 95 
Graphite or Plumbago,......... 96 
MINERAL SPRINGS. 
Brine Springs or Salines, .. 99 
Manufacture of Salt,. Ill 
Origin of the Brine Springs,...... 119 
Gas or Carburetted Hydrogen Springs, . 128 
Origin of the Carburetted Hydrogen,. 131 
Nitrogen Springs,. 133 
Acidulous or Carbonated Springs,. 134 
Sulphuretted or Sulphureous Springs,. 141 
Origin of the Sulphureous Springs,.. 153 
Petrifying Springs,. 156 
Catalogue of the Mineral Springs in the State of New-York, hitherto known, with their 
composition as far as determined,. 160 
Part II. 
DESCRIPTIVE MINERALOGY. 
CLASS I. GASEOUS MINERALS. 
ORDER I. COMBUSTIBLE GASES. 
1. Hydrogen,. 171 3. Sulphuretted Hydrogen, ..... 173 
2. Carburetted Hydrogen,. 172 4. Phosphuretted Hydrogen, .... 173 
ORDER II. NON-COMBUSTIBLE GASES. 
1. Oxygen,. 174 3. Carbonic Acid,. 175 
2. Nitrogen,... 174 4. Atmospheric Air,. 176 
CLASS II. LIQUID MINERALS, NOT COMBUSTIBLE. 
ORDER I. LIQUID ACIDS. 
Hydrous Sulphuric Acid,. 177 
ORDER II. LIQUID MINERALS, NOT ACID. 
1. Atmospheric Water,.. 178 2. SeaWater,... 179 
