CHEMICAL COMPOSITION. 



35 



No. 690. Veronica water, Santa Barbara, Cal. 

 [Magnesic sulphated saline.] 



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

 Carbon dioxid (free) , none; carbon dioxid (set free from bicarbonates on evaporating 

 to dryness), 196.7. 



a Heavy trace. 

 HYPOTHETICAL FORM OF COMBINATION. 



a Heavy trace. 



