On the Waters of a Salt Spring in Hue! Seton Mine. 27 



shown in the sketch ; the direction of the dip is in each case 

 indicated by an arrow. The water which issues from the point 

 w was collected and brought to the surface in carefully cleaned 

 stoneware jars. 



The following results, in grammes per litre and grains per 

 gallon, were obtained by analysis. 



Mineral Water from Huel Seton. 



Solid matter 14*3658 grammes per litre, or 1005*61 grains per 

 gallon. Sp. gr. =1*0123. 



Analytical Results. 





Grammes per litre. 



i 

 Grains per gallon. 



I. 



II. 



I- 



II. 



Carbonic acid 



Sulphuric acid ... 

 Silica 



•0795 



•0178 



•0270 



91728 



trace 



•3456 



•0031 



trace 



minute trace 



3-4795 



0721 



64920 



•0832 



trace 



2-2977 



•0805 



trace 



trace 



•0786 



0177 



•0280 

 91662 



trace 



•3460 



•0033 



trace 



minute trace 



34963 



0710 

 6-4626 



•0835 



trace 

 2-2885 



0794 



trace 



trace 



5-56 

 125 



189 



642-10 



trace 



241 9 



22 



trace 



minute trace 



24356 



5 05 



454 44 



5-82 



trace 



160-84 



5-63 



trace 



trace 



5-50 



1-24 



1-96 



641 63 



trace 



2422 



•23 



trace 



minute trace 



24474 



4-97 



452-38 



5-84 



trace 



16019 



556 



trace 



trace 



Chlorine 





Ferric oxide 



Manganese 



Copper 



Lime 



Magnesia 



Alkaline chlorides. 

 Potassium 





Sodium ..• 



Lithium 



Ammonia 



Nitric acid 





The foregoing results may be thus tabulatedf :- 



gas, beyond carbonic acid, was found by the analyst." The presence of 

 lithium is not mentioned. A few days' after the receipt of the cutting 

 above referred to, another copy was received from Mr. R. Hunt, F.R.S., 

 and a third from Mr. J. H. Collins, F.G.S., of Falmouth. I have also 

 much pleasure in acknowledging my obligations to Captain R. Williams, 

 the Manager of the Mines, for the facilities afforded by him for the collec- 

 tion of the water for analysis. 



* The amount of caesium appears to be very small. On adding chloride 

 of platinum to a rather dilute solution of the alkaline chlorides obtained 

 from this water, a slight yellow precipitate was deposited; this, after re- 

 solution and the removal of the platinum by sulphuretted hydrogen, afforded 

 by the spectroscope indications of the presence of caesium. 



f As the state of combination in which the various substances present in 

 mineral waters exist cannot be accurately determined, the system of group- 

 ing adopted in the Table must to some extent be regarded as arbitrary. 



