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PHYSICAL 4nd LITERARY. 435 
© fafficient to clear the body of thofe hu- 
“mours which are the parent of other 
“deftructive diftempers. Befides, fay 
“they, this theory is juftified by facts 
*“and experience. Upon inquiry, it is 
“ found, that in thofe places where ino- © 
“ culation has moft prevailed, particular: 
“‘Wiyvin and about Dumfries, there are as 
‘many that die in childhood, and before 
“* they arrive at the age of twenty, as for- 
“‘ merly, even including thofe who are cut 
** off by the fmall-pox. If this is the café, 
“then inoculation is to no purpofe.” I 
 fhall not trouble you with what occurred 
to me in an{wer to this objection. I great- 
ly fufpect the foundnefs of the principle 
on which itis built, and have ventured 
to deny the truth of the fact; How tri- 
fling foever you may think the objection, 
yet, as there is great ftrefs laid upon jit, 
- and’ by perfonsof rank, I thought it might 
not be improper to apprife you of it. 
‘Thus far my friend, 
An objection fo plaufibly formed, and 
with fuch particular application, feems to 
affect, more than any thing I have feen 
advanced, 
