( I7X ) 
fiefs to infifl: upon, and that they fiiould Cwdl this Dif- 
courfe beyond the Bounds of this place ; I fball ooly 
fuppofe, 
I. That there are very mobile , or Voknl Parts in 
Cantharides^ &c. that can be determined into our 
Fiefli , with a force fufficient to make their u^ay 
thorow the fides of any Veflels that are in the lines 
of their direftion , fo long and in that prcpor« 
tion that their impre(s'd niorion does continue, 
t. That all forts of fluid Bodies cootaio'd in the Ca- 
vities and Channels of thefe Veflels may be tranP 
mitted, according to the Conditions of Separati- 
on of fluid Bodies running in Veflels of that (brr, 
and the widenefs of the emifTaries made by wound- 
ing Particles of Cmtharides^ or any fuch like bli« 
^ ilering Subltance. 
Next I fliould proceed to make fbme Suppofitions, 
from the Nature of a Fever, and a Delirium, that look 
more particularly to, and may contribute in the difcuf- 
fing the difficulty of our,prefent Subjeft : But becaufe 
all my Learned Hearers may not have applied rhemfelves 
fo very much to this kind of Natural Philofophy, and 
that I may not be too uneafy to them by not being un- 
derftocd : it feems to be very necefTary to hint Tome 
genera] things about them, that they may be better able 
to judge in the Performance. 
FEVERS in refped of time, either remain after 
the fame manner from the firft fickeoiog, till the ficfc 
Perfon is freed of his Difeaft, nor nor : if the firft, they 
^ire calfd Continu'd Fevers ; but if the fick Perfijn con- 
tinues evidently in a fickly way, and yet has great Re- 
liefs, and almoft free of his lllnefs, the Fever is laid to In" 
B b a termite 
