(iC5(i) 
emitters loofe their virtue, if removed toany confidcrible 
diftance from their fountain-head- but others do not, atleaft 
lioc fo foon. To this laft fort belong fuch , as are our Barnet^ 
Bpjham aad Dullid^e waters-, to the other fort belong our 
tunhridg , Afiraf and StaS-Mdge-wntrs 5 
* r/jftf ms in Numb, aud all fuwh like here or elfe where : And the 
stjf .t^^j commonufageoftheSick, takenfrom the 
itijes inDoikt'ihhe, advife of th/ ir Piiyfirians ^ and the Experi- 
ence of all ^ in repairing to t[iofe rcfpe(5live 
placeSjfufficicntly prunes the c > nm m confeat thertunto. 
But though tliceffedbf fo pla n and nsaniftft, yet the caufe 
thereof feems not to me f > pi inly difcovered 5 and i ecaufe you 
arepl^aftfd toyour for e-c ted words to fubj vne thcfe • And e- 
fventhiir quantitf and bu k alfo, thBUghin GLjfes and vnder the 
Herm, Seal&c: I fuppole, yo^ Incimate and offer , th. t the 
caufe of the lofs of their MfQiCioal wtues is upon the lofs of 
their quantity and bulk : which alfo y* u a Jtly ftrengthen by the 
authority of the famous Dodors , French dh Heer ^ m^Fram^ 
iefdrius 5 and then In t r arcBthefis yofc? pat altogether , and cau- 
tioufly fay ( dodtlefs thorough the lofs of the Volatile S fir its ) &c. 
And in the beginning ot the very next paragraph ycu goe on 
thus 5 whatever thefe Spirits he^thatrpill neither endure to travel 
fromthe Place^mrmll be confmd in anj bottle^ nor under any fed 
&c.So that the fam of your ConjeBurei^ox: as other yoo propofe 
itnot)Js5 That this ioffe confifts in the Avohtioa of feme 
moft fubrle and penetrating Spirituous parts^not to be imprifoned 
bynny inclofare iniaginable, but will find their way oat j and 
leave the waters bereft of virtue, anddecreafed in qaantiy tco,, 
and ( what more is)^,perfraps of their weight alfo , efpecially-if 
thev loofe ojbtH^ir quantity. But to this laft you modefily add, 
Here we mnt infiruffion^whetker that decreafe rvasas mil of weighu 
as of bulk 
That this Conjedure of yours concerning the Csuieofche 
lofs of virtues in thefe waters carried from their Spring, maybe 
true, I do no abfolucely deny , but further sckaowledge, that 
it is the fentifiient of very many , if not all, Phyfitians and Na- 
turajjftsj that have concertfd thenafelves with the confidera- 
lion thereof 5 and I my felt have entertained the very fame 
G gggg % thoBg'us 
