A N 
I N D 
TO THE 
Sixty-Fourth VOLUME 
OFT H E 
Philofophicctl 'Tranfa&tons* 
A. 
CID, vitriolic, no prefemtive of the chalybeate 
waters, p. 366. 
Atkin, the Rev. John, on the prefent flats of the towit 
of Warrington, with refpe£fc to number of inhabitants, 
increafe, and healthinefs, p. 438, Observations on the 
malignancy of the fmalbpoK there, p. 439, 
Air, common, loaded with putrid effluvia noxious to the 
lungs, p. 91, Rendered noxious by agitation in putrid 
water, p. 92. Purified by vegetable fuoflanees growing 
in it, p. 74. Air ifming From Stagnant water not 
always unwholefome, p. 93. Air clearer in general at 
Anticofti than at Greenwich, p. 193. How to find 
the denfity of the air at any elevation by the barometer 
y<*. w s ff and 
