m 



Mr. H. M. Witt on the Variations in the 



Table b, — Mean of the preceding calculated in grains in the 



gallon. 



Inorganic residue 

 Organic matter 



Total residue 



22-820 

 1-631 



24-451 



grs. 



Lime 7-240 



Magnesia 0-462 



Chlorine 1-008 



Sulphuric acid 2-651 



Alkaline chlorides .... 3-7669 



Potassium trace 



Sodium 1-480 



Suspended clay and sand . 3*603 

 Ammonia (as carbonate) . . '0034 



Table c. — Saline Constituents in the gallon. 



Sulphate of lime 

 Carbonate of lime . 

 Carbonate of magnesia 

 Chloride of sodium 

 Chloride of potassium 

 Carbonate of soda . 

 Organic matter . . 

 Suspended clay . . 

 Carbonate of ammonia 



Total 



grs. 



4-506 



9-616 



0-970 



1-661 



trace 



1-950 



1-631 



3-603 



0-0034 



23-9404 



Total residue obtained by experiment 24-45 1 



The hardness by Dr. Clarke's soap-test was- 



Before boiling 

 After boiling 



ir 

 6^ 



Loss by boiling . . 5° 

 The foUowing Table shows the comparison of this analysis 



