Cox. — On the Mineralogy of Neiv Zealand. 863 



From the analyses of the mineral waters by Mr. Skey, the principal 

 results of which have been published,* the following substances appear to be 

 contained in solution : — 



Silicates of soda 

 ,, lime 



, , magnesia 



,, iron 



Silica 



Sulphate of soda 

 ,, potash 



,, alumina 



, , lime 



,, magnesia 



,, iron 



Chloride of sodium 

 , , potassium 



,, calcium 



, , magnesium 



, , iron 



Phosphate of alumina 

 Phosphoric acid 

 Lithia 

 Iron oxides 



Hydrochloric acid (free) 

 Sulphuretted hydrogen 

 Sulphuric acid (free) 

 Bromide of magnesium 

 Iodide ,, 



Carbonic acid (free) 

 Carbonates of soda 

 ,, potash 



,, magnesia 



„ lime 



Free ammonia 

 Albuminoid ammonia. 

 Non-Metallic Minerals. — Class II. 

 Carbon and Boron. 

 Graphite, C. — This mineral occurs somewhat widely distributed through- 

 out New Zealand ; but up to the present time has not been found in large 

 enough quantities and of sufficient purity to induce anyone to work it 



* Trans. N.Z. Inst., vol. x., p. 423. 



