326 
LIAS OF ENGLAND AND WALES. 
Carbonate of iron 
Untie, 
magnesia - 
soda 
Chloride of sodium 
Sulphate of soda 
Chloride of potassium - 
Hydrosulphide of sodium 
Iodine and bromine 
Grains per Imperial 
gallon. 
Trace*. 
9 743 
G 246 
5 581 
- 245 532 
- 128 989 
Traces. 
275 
Traces. 
396 ' 366 
The origin of these and other saline waters will be more con- 
veniently treated in connexion with the mineral waters cf the 
Oolitic rocks. 
