I N D E x; 
Parallax of the Sun, horizontal, obfervations on it, p. i — 
Treated of more at length, p. 300. — Means of the fe- 
veral determinations of it, p. 339 Mr. Hornfby’s 
obfervations on it, p. 467. 
Pemberton , Dr. his difcourfe on the locus for three or 
four lines celebrated among the antient geometers, 
p. 496. 
Plague and other calamities at Aleppo, p 39. 
Plants , catalogue of fifty from Chellea Garden, prefented 
to the Royal Society for the year 1762, purfuant to the 
direction of Sir Hans Sloane, p. 32. — Singular, p. 81. 
— A new Peruvian one lately introduced into the Eng- 
lifh gardens, p. 1 30. 
Podolia , manner of making nitre there, p. 356. 
Powers , mechanic, properties of them demonftrated, p. 
io 3 - 
Pringle , Dr. utility of his experiments, p. 366. 
Problems , by profeiTor Waring, p. 294. 
Punic, infcription, p. 274. 
Punic tongue, ftill the vernacular language of the com- 
mon people at Malta, p. 291. 
R. 
Rain fallen in a foot fquare at Norwich, account of, p. 9. 
— Quantity fallen in Cornwall in the year 1761, p. 2 7. 
— Mean quantity of it in a year, p. 364. 
Refinance in eledtrical experiments illuftrated, p. 458. 
Rigidity , mufcular, effedts of eledtricity on ir, p. io.— . 
Cold a caufe of it, p. 20. 
Roman infcriptions at Netherby in Cumberland, p. 133.—; 
At Tunis in Africa, p. 211. 
Rutherforth , Dr. an argument faid to be improperly appli- 
ed by him, p. 106, 
i 1 C i ■ t ^ 2 1 
