[ S49 J 
I 
N 
A N 
D 
E X 
TO THE 
SIXTY-FIFTH VOLUME 
OF THE 
PHILOSOPHICAL TRANSACTIONS. 
A. 
A B A "N Oi an extraordinary animal in the waters of, p. 4^, 46. Heat of the baths 
there, ibid. 
Afyjjinla, obfervationfr made there upon myrrh, in the year 1771, p. 408. Seeil^rr^. 
Acephalous birth, an account of an extraordinary one, p. 311. Birth. 
Add, mineral, a new one produced from phofphoric fpar, p. 394. 
AUtna, conjedlures concerning, p.^ 29. 
Ackworth, in the county of York, average of deaths there for ten years, p. 428. Chrif- 
tenlngs and burials for twenty years, p. 443, 444. 
Air, fixed, apparatus for impregnating w^ater with, defcription of one, p. 59. Sec 
Water.’ ~ Air, an account of further difcoveries In^ p. 384. The vitriolic acid, the 
nitrous acid, and the vegetable acid air, difcovered, p. 385. Vitriolic acid air how 
produced, ibid. Vegetable acid air how- produced, p. 386. No fluid capable of con- 
fining nitrous acid air, ibid. Kinds of air formed by the nitrous acid more numerous 
than all the kinds that can be formed by the other acids, ibid. How produced, p, 386, 
387. Various metals yield inflammable air by the foregoing procefs,-p. 387. Air, 
five or fix times, better- than, common air, p. 387-1—389. How produced, ,p. 387. 
Conjeifture that the nitrous acid is the bafis of common air, p. 389. 394. Pure air pro- 
cured from a variety of materials, p. 390. Fixed air a modification ot the nitrous 
acid, ibid. A pure dephlogifikaied air may be procured from earths of all denomina- 
tions, p. 392. Obfervations oaair, p. 392. 393. Air produced from ore of lead and 
fpiritof nitre, p. 393. 
: Allahabad^. 
