406. INDEX. 
Phosphorescence, connexion of, with electricity, 163. _Phosphores« 
cence of acetate of lime, 163 
Platinum, action of, when finely divided, on gaseous mixtures, and 
its application to their analysis, 277, 278. ee 
Pneumatic- Thorax, remarks ,on a case of, 130, 263 
Poisoning by arsenic, tests for detecting, 167. Poisoning by the 
acetate of morphia, how detected, 168—170 
Poisson, (M.) extract of his memoir on the theory of magnetism, 
317—334 
Pond, (John, Esq.) on certain changes in the principal fixed stars, 
130 
Potash, preparation of the saturated hydro-sulphuret of, 165. Crys- 
tallization of the sub-carbonate of, 167. Acid tartaro-sulphate of, 
171 
Prevost (Dr.) observations by, on the generation of fishes, 277 
Prout (Dr.) on the existence of free muriatic acid in the stomach, 
181 
Prussiate of Iron, a cure for intermittents, 145 
Pyro-ligneous ether, or pyrocilic spirit, preparation and analysis of, 
171—173 . : " 
Refraction, comparison of the new tables of, with observation on 
astronomical refractions, 130 
Revero and Boussingoull (MM.) account by, of the different masses 
of irpn, found on the eastern Cordillera of the Andes, 394, 395 
Royal Society, analysis of the translations of, 122—130. Account 
of its proceedings, 250—280 
Royal Institution, proceedings of, in 1824, 281. Syllabus of the 
various courses delivered there, 282—289, List of its officers, 
282,290. Terms of admission, 291, 292. Report of the visi- 
ters, 292—294. 
Ruby-glass (ancient) composition of, 167 
Sabine (Captain), on the temperature at considerable depths of the 
Caribbean Sea, 126. Comparison of barometrical measurement 
with the trigonometrical determination of a height at Spitzber- 
gen, 268, 269 
Sand-drigs, observations on, 181—183 
Scientific Books, analysis of, 105—130, 335—359 ‘ 
Scoresby (William, Esq.) general results of observations by, on the 
dipping needle, 104. Experiments and observations on the de- 
velopement of magnetical properties in steel and iron by per- 
cussion, 254, 255 
Scott, (H. Esq.) particulars by, respecting the ornithorhynchus 
paradoxus, 247—250 
Sea, (Caribbean), temperature of, at considerable depth, 126 
Seal, fact in the natural history of, 263. 3 
Shells, two new species of fresh-water, described, 13—17. The 
