XX CONTENTS. 



COMBUSTIBLE MINERALS. paoe. 



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. Phosphurefted Hydrogen, .... 173 



ORDER II. NON-COMBUSTIBLE GASES. 



1. Oxygen, 174 3. Carbonic Acid,. ..;. .•.;.".■.;; 175 



2. Nitrogen, 174 4. Atmospheric Air,. .......... 176 



CLASS It. LIQUID MINERALS, NOT COMBUSTIBLE. 



ORDER L LiaUID ACIDS. 

 Hydrous Sulphuric Acid, 1-77 



ORDER II. LiaUID MINERALS, NOT ACID. 

 1. Atmospheric Water, 178 2. Sea Water, 179 



