112 

 CLASS I. 



ORDER I. COMBUSTIBLE GASES. 



SULPHURETTED HYDROGEN. 

 (Mineralogy of New- York, page 173) 

 Since the publication of my account of the Sulphur springs of New- 

 York, several new ones have been discovered; and of those previously- 

 known, some have been analyzed. Among these are to be noticed : 



The Bellevue Mineral Spring, situated two miles below Niagara 

 Falls, a few rods from the Niagara river, where the bank rises perpen- 

 dicularly from the edge of the stream more than two hundred feet. 

 The water of this spring has been analyzed by Prof. J. Torrey, with the 

 following results in one pint, viz : 



Sulphate of lime, 3'68 grains. 



Sulphate of magnesia, - 1*92 " 



Carbonate of magnesia, - 0*76 " 



Carbonate of lime, .... 0*32 " 



Chloride of sodium, ... - 1«31 " 



Traces of iron, 



7*99 grains. 

 Sulphuretted hydrogen, - 9*33 cub. inches. 



Carbonic acid gas, 0*48 " 



{From a pamphlet published by the proprietor of the spring, in 1842.) 



Sylvan, or Iodine Spring, Avon, Livingston county. We have an 

 analysis of the water of this spring, by Dr. James R. Chilton, with the 

 following results in a wine pint, viz : 



Sulphate of magnesia, - 



Sulphate of lime, - 



Chloride of sodium, ... 



Chloride of magnesium, 



Carbonate of lime, - 



Carbonate of magnesia, - 



Vegetable matter, - - - 



Iodide of sodium. 



Sulphuretted hydrogen, - 

 Carbonic acid gas, - 

 [From an Avon paper, containing an account of the springs at that 

 place.) 



1-62 



grains. 



10-05 



(.< 



12-18 



" 



7-80 



<( 



3-35 



" 



2.00 



u 



0-03 



ti 



3703 



grains. 



2-58 cub. inches. 



0-62 



<( 



