ow'cs its Origine to the/r«, I fuppofe it to have bor- 
rowed that Calortfric}{<:{\xdX\ut thence, which made it re- 
preient the hQt Eu : for this I obferved that notwithftand- 
iijg theaffion of the Co/^ mixture, if grew more thick and 
fliniy than twas at firft, and that the addition of the men- 
iioiiABilpr Spirit: of Brimjione made it more clear and fluid. 
Thus the agile Spirits of the humane body^ which tho they 
Ciinnot be thought to be actual fire^ yet are fuppofed to be 
fomewhat Analogous to it, being in more abnndance pour- 
ed into the turbid Mafs of Bloods do by their warmth and 
a Aion firft attenuate thofegrofs Coagulums^ and then ma* 
jiiftftly fubdue^ and reduce many of ihofe iadifpofed Par- 
ticks to a good TexturSy and expel thofe that are difagree* 
able by iw^^ arid Vrine cr both ways; which id a good 
Pmgiioflicks^i a cure oitha.t Far ox/fm, 
Ifliill only add this Objedion made^ vi^;^, Thatthere 
are no fuch Acids of fo high a degree of Acidity found in the 
human body as we make our Experiments with. 
1 may anfvver that there is no need alfo of fo great a de- 
gree of Cold to put our blood into an Ague^ a fmall decli-^ 
nation from itsufual Temperature^ being fufficient to make 
^^s very Gniible. 
Poftfcript 
