PHYSICAL anv LITERARY, 407 
For, within thefe twenty-five years, it 
has only been four times epidemical in 
this town, namely, in the autumns of 
the years 1732, 39,45, and 48, tho’ none 
of thefe years (excepting that of 1739, 
whofe fummer and autumn were remark- 
ably rainy) were either warmer or more 
rainy (and fome of them lefs fo) than the 
fummers and autumns were in feveral o- 
ther years, in which we had not one inftance 
of any one being feized with this fever ; 
which is contrary to what would proba- 
bly have happened, if particular conftity- | 
tions of the weather were productive of 
it, without infectious miaf/mata. But, that 
this is really an infectious difeafe, feems 
plain, not only from this, that almoft all 
the nurfes catched it and died of it; but 
likewife, as foon as it appeared in town, 
it foon invaded new comers, thofe who 
_ never had the difeafe before, and coun- 
| try-people when they came to town, while 
_ thofe who remained in the country .efca- 
" ped it, as likewife did thofe who ‘had for- 
_ merly felt its dire effects, tho’ they- walk- 
_ed about the town, vifited the fick in all 
the 
