{ 227 ] 
the opportunity r I fliall gladly, therefore, wait the 
relult of his enquiries. 
To conclude then: It appears to me highly pro- 
bable, that fixed air is generally neceffary to the im- 
pregnation of mineral fprings. That by the right 
knowledge of this principle, we may now folve moft 
difficulties that have arifen on this fubjedl j and very 
poffibly be able, hereafter, to imitate nature, in the 
formation of medicated waters. Whether my con- 
clufions are well founded, I with pleafure refer to 
vour candid decifion. And am. 
¥ * ’ 
S I R, 
with great refpeeft. 
Your much obliged, 
humble fervant, 
T. Lane. 
G g 2 ' XXXL Account 
