MODE 



OF 



ACTION OF THE WATERS. 



as we have seen, feeing the principal 

 ingredient of our hot springs, their effect can mostly 

 be attributed to that alkali, whatever may be the 

 auxiliary action of their other constituent parts, some 

 of which, discovered later, are in exiguous quantity. 

 Soda acts with energy on the animal economy, 

 and has a hurtful influence on the arterial system, 

 disposes to hemorrhagies, to scurvy, and disturbs 

 digestion. The Carlsbad water, on the contrary, 

 during the longest cure, animates and vivifies, excites 

 appetite, promotes digestion, and, united to proper 

 regimen, favours the return of health. The diffe- 

 rence between the effects of pure soda . and those 

 produced by our waters , can not be otherwise ex- 

 plained than by the union and combinations of that 



