INDEX. 
Pearson, George, M. D. Experiments made with the view of 
decompounding fixed air, or carbonic acid, _ 289 
Phosphoric bodies , compendious history of, - 28 
Phosphorus , experiments with, applied to mild fossil alkali, 293 
— — — — — — I applied to various other substances, 302 
Phos pour of lime , - _ g 0 .| 
Plumbago , how affected by exposure to a strong heat, - 262 
Porto Novo, measurement of a base line near it, _ *00 
Presents made to the Royal Society, from November 1791, to 
June 1792, - ' 457 
Puddling of iron, observations on the process so called, 257 
R 
Pain in Rutland, Surrey, and Hampshire, register of, - 362 
Pams den , Mr. J. remarks on a pamphlet published by him, 429 
— experiments on the expansion of fluids, with in- 
struments proposed by him, - _ 439 
Razoumowski , Count de, remarks on his investigation of the 
luminous properties of bodies, - ~ 4 1 
R had, Mr. John. A meteorological journal, principally relating 
to atmospherical electricity ; kept at Knightsbridge, from the 
9th of May, 1790, to the 8th of May, 1791, - 225 
Ping of Saturn, observations on, - _ 1 
— — — measures of, - - - n 
s 
Satellite, fifth of Saturn, on its rotation upon its axis, 13 
— — on its distance, - - 17 
Saturn, on the ring of, - 1 
Schirach, Mr. remarks on his experiments respecting queen bees, 164 
ScHMEissER,Mr. John Godfrey. Description ofKilburn wells, 
and analysis of their water, - - -115 
Schroeter, John Jerome, Esq. Observations on the atmo- 
spheres of Venus, and the Moon, their respective densities, per- 
pendicular heights, and the twilight occasioned by them, 309 
Scrobiculus cordis , effects of a bladder with hot water, applied to it, 206 
Seas, conjecture respecting their use, - 77 
Shipwreck, remarkable effects of one on the mariners, - 199 
Short, Mr. remarks on his observations on the ring of Saturn, 10 
Silk worms, experiments on the impregnation of their eggs, 186 
