CHEMICAL COMPOSITION. 



85 



The headings in the following tables have the same significance as in 

 the reports previousl\ T presented. It should, of course, be borne in 

 mind that the figure for free carbon dioxid represents the sample as it 

 was received at the laboratory and is lower than the true amount of 

 free carbon dioxid in the water fresh from the spring. 



CHEMICAL COMPOSITION. 



No. 1358. Vichy water, Saratoga, N. Y. 

 [Sodic muriated alkaline-saline, carbondioxated.] 



Gases (number of cubic centimeters per 1,000 grams at C. and 760 mm pressure). 

 Carbon dioxid (free), 255; carbon dioxid (set free from bicarbonates on evaporating 

 to dryness), 125.6. 



HYPOTHETICAL FORM OF COMBINATION. 



