[ 356 ] 
fit for the Ufes of the Navy or Fifhcries ; altho' the 
‘Dutch Salt, which is the ftrongeft andpureft boiled 
Salt now made, is entirely a marine Salt, and 
even the Brine, of which Mr. Lowndes makes 
his Salt, is only a Solution of the Englifh Rock- 
Salt, often in very impure Water, as is well known 
to the Natural ids. 
Our Author, treating of Salt in general, takes no- 
tice of the Excellence and Ufefulncfs thereof; and 
that it hath pleafed the Author of Nature to provide 
Mankind therewith in fuch Abundance, that there 
are few Countries which do not afford vaft Quanti- 
ties of Rock or foflil Salt. Mines of it have been 
long difeovered and wrought in England , Spain , 
Italy y Germany-, Hungary , Pola?id , and other Coun- 
tries in Europe. Moreover the Sea affords fuch vaft 
Plenty thereof, that all Mankind might thence be 
fupplied with Quantities fufficient for their Occa- 
fions. There are alfo innumerable Springs, Ponds, 
Lakes, and Rivers impregnated with common Salt, 
from which the Inhabitants of many Countries are 
plentifully fupplied herewith. 
In fome Countries, which are remote from the 
Sea, and have little Commerce, and which are not 
blcfled with Mines of Salt, or fait Waters, the Ne- 
ceflitics of the Inhabitants have forced them to in- 
vent a Method of extracting their common Sait from 
the Afhcs of Vegetables. 
In ftiort, this Sale is difperfed all over Nature; it 
is treafured up in the Bowels of the Earth ; it im- 
pregnates the Ocean.; it defeends in * Rains; it fer- 
tilizes 
♦ See Boyle on the Saltnefs of the Sea. 
