[ 53 + ] 
Subject, and be unfeafonable here, I fhall refer it 
to its proper Place, and only remark, that what- 
ever Medicines (befides Evacuations and the Bark) 
have been found ufcful in the Cure of Intermittcnts, 
they are, fo far as I know, all highly antifeptic; 
fuch are, Myrrh, Camphire, Camomile flowers. 
Wormwood, Tin&ureof R.ofes, Alum with Nutmeg, 
vitriolic or ftrong vegetable Acids wi;h Aromatics. 
Thus far 1 have only related my Experiments upon 
Eiefh, or the fibrous Parts of Animals 5 I fhould next 
proceed to (hew, what EfFedts Antifeptics have upon 
the Humours j for, tho’ from Analogy we may con- 
clude, that whatever retards the Corruption of the 
Solids, or recovers them after they are tainted, will 
a£t fimilarly upon the Fluids} yet, as this does not 
certainly follow, I judged it ncceflary to make new 
Trials} which, with fome Experiments on the Pro- 
moters of Pctrefadion, the reverfe of the former, 
fhall be offer’d to the Society at another Meeting. 
N. B. Thefe Experiments are continued in this Tranfaflion, p. 550. 
III. A Letter from Mr. Jofeph Platt to Mr. 
Peter Collinfon F. R.S. concernmg a flat 
Spheroidal Stone having Lines regularly 
crofling it. 
Dear Sir , Manchejier , Dec. 9 , 1749 . 
Read Nov. 8. \ LITTLE while fince a Man brought 
l75 °’ l\. me a Stone, which he found at 
Ardwick, 7 Feet deep, near this Town, in driving 
a Slough through fome Gret ftone. It is what I call 
a 
