261 ANALYSES OF SOILS. 



Silcx 0-12 



Vegetable matter (pardy crenic and apocrenic acids) 4*57 



Carbonate of lime 3'62 



Magnesia 0*87 



Peroxide of iron and alumina — 0-74 



Chloride of sodium 



Sulphate of lime - -- , ' '' . 



Water of the well at the Old State House in State-street. ■• " • 



Solid matter in one quart, 9 grs. ■ ' • ■ 



Silex : 0-50 



Alumina 0-15 -/ ■ ■ 



Organic matter - o'OO 



Carbonate of lime _ 2"37 ,_ ., 



Chlorides and sulphates 3*98 



Well at the Exchange. 



One gallon contains 65 "17 grs. of solid matter. 



Silex.. 0-12 



Alumina 0-50 



Lime 7-24 • -"". ■ 



Organic matter 4'27 



Sulphate of lime 3-75 



Chloride of sodium and magnesium 49*29 ' . / 



III the course of evaporating- tlio waters, it was not unusual for them to give ofT odors 

 which showed rather loo plainly thai they contained a disagreeable quanily of animal 

 matters in solution. In one instance the room and adjacent hall were filled with the odor 

 conuiion to stahles, and yet this water is in constant use both for cooking and drinking. 



Another well is quite remarkable for the amount of solid mailer contained in its waters. 

 We obtained from one galloji 245 ■76 grains of solid matter, after a large amount of ferru- 

 ginous matter had separated in the form of a precipitate. It consisted of protoxide of iron 

 and carbonate of lime : a trace of magnesia and the sidpliates, only, was detected in the 

 water. 



It is (>vident from the numerous analyses which have lieen made of the waters of the 

 Tertiary or Albany clay, that these waters are not only hard, liut frequently are so highly 

 charged with mineral substances as to be unfit for domestic purposes. Another object for 

 which they are not at all adapted, is for the generation of steam for moving machinery : 

 it has been found in practice that they can not be employed for this piuposc, as the boiler 

 is rapidly destroyed imder their use. 



The springs which issue from the upper part of this formation, are much belter adapted 

 to the purposes of life. The water of the Palroon's creek contains only 3" 12 grains of saline 

 matter per gallon ; in addition to this, 1 • 60 of organic matter Avas found, making the solid 



