I 
[ *73 ] 
remedies, except that the eruption which 
took place in the latter required an addi« 
tional indication. 
The diarrhoea which was epidemic in 
the year 1668, was likewife produced by 
the fame caufe as the fevers and the fmall- 
(■ • 7 
pox, and was cured by the fame means, 
that is, by blood-letting and the refrige¬ 
rant plan. (Sydenham, Variol. regul. & 
feb. cont. Ann. 1667, 68, and part 69.) 
Were the writers upon epidemics 
after Sydenham equally well acquainted 
with the genius of the difeafes, or did they 
adopt his practice ? By no means. Their 
prejudices refpe&ing the acrimony, &c. 
of the fluids, frequently made them ftray 
from the path of truth, and led them into 
a plan which proved either ufelefs, dan¬ 
gerous, or fatal. 
Fevers fometimes lay afide their own 
character without any apparent caufe, and 
a flu me a new form, which may impofe 
T upon 
