2T2 Mifcellaneous, Obfirvaihns on Salts, &c. 
intentionally fet about it. Kircher fays,' 44 if 
44 you put into a wooden Tube, Tartar, 
44 Quick-lime, Salt, and the Urine of a Wine- 
44 Drinker, reduced into one Mafs, which 
44 is to be hardened in the Sun and after- 
44 wards fet in a cold Cellar from the above- 
44 mentioned Mafs, by the Help of Salt- 
44 petre, you will fee Flowers branch out. 
44 And fuch is the Force of Nitre, that, if 
44 in a Glafs kept dole fhut, you pour the 
44 Juices of fame nitrous Herbs on the above 
44 Mafs, the Nitre contained within it be- 
44 ing pregnant with Spirit will force itfelf 
44 through the very Pores of the Glafs.” 
C H A P. LV. 
Mifcellaneous Obfervations on Salts , &c. 
H AVING gone through theCourfe.of 
my Experiments on faline Subfiances, 
I propofe from thence to form aTew Re¬ 
flections. 
As it has been plainly fhewn that the 
F articles of Salts, dfhived and floating in a 
Menftruum, will, by Precipitation, or an 
Evaporation of the Fluid, be brought to¬ 
gether, and unite in Figures peculiar to their 
refpeCiive Kinds, by ibme certain Law of 
Nature (call we it Attraction , or what we 
pleafe:) it feems reafonable to believe, that 
thofe cryflaline, mineral, or metallic foffil 
Bodies which have a conilant and regular 
Con- 
