Index. 



479 



R. 



Racing pedometer, 397. 



.Remarks upon Mr. llerapath's theory, 



223, 390,418. 



&c. reply to, 303, 462. 



Renewal, perpetual, of leases, on, 307. 

 Rete mucosum of the negro, on its being a 



defence against the scorching effects of 



the sun's rays, 227. 

 Rennie, John, Esq. biographical sketch of, 



401. 

 Ricardo, M. Esq. remarks on oil and coal 



gas, 44. 

 Ridolfi on Woulfe's apparatus, 468. 

 Robiquet, M. analysis of the sulphates of 



cinchonin, 316. 

 Rockets, Congreve, 467. 

 Ross, Mr. W. on the carburet of nickel, 



62. 

 Russian voyage of discovery, 397. 



Sarcophagus, on the nature of the pigment 

 in the hieroglyphics in the, from the 

 tomb of Psammis, 389. 



Scientific books, new, 77, 157, 237, 318, 

 398,471. 



Shells, on the means of distinguishing 

 between freshwater and marine, 309. 



Society, geological, proceedings of, 72, 

 150, 232. 



— — medico-chirurgical, 396. 



— — — royal, analysis of the Transac- 

 tions of, for 1821, part I. 227. 



• proceedings of, 71, 149. 



for the encouragement of geogra- 

 phy, 397. 



Wernerian, proceedings of, 312. 



Solar eclipse in America, 396. 



Sommering, S. T. Von. description of the 

 lacerta gigantea of the ancient world, 

 183. 



Soros, Theban, examination of the stone 

 used in the construction of, 57. 



Sowerby, Mr. G. B. on the geological 

 formation of Headen Hill, in the Isle 

 of Wight, 216 — on the means of distin- 

 guishing between freshwater and marine 

 shells, 309. 



Spar, tabular, from Pargas, analysis of, 

 309. 



Squires, P. Esq. on thomsonite, 254. 



Steam navigation, 468. 



Steel, on the best kind of, for a compass 

 needle, 230. 



Stirrup-iron, improved, 469. 



Strawberry, singular, 470. 



Sublimate, corrosive, composition of, 127. 



Subscriber, a, answer to his remarks on oil 

 and coal gas, 44. 



Succinic acid, atomic weight of, 141— on 

 the preparation of, 76. 



Sugar, on the crystallization of, under 

 peculiar circumstances, 235. 



Sulphate of zinc, composition of, 137. 



Sulphates of cinchonin, analysis of, 316. 



Sulphuret of antimony, composition 6R 

 126. 



Sulphuric acid and cyanurets, on the com- 

 binations of, 9. 



Sylvester, Mr. Charles, on a method of 

 expressing chemical compounds by alge- 

 braic characters, 212. 



Tabular spar from Pargas, analysis of, 



309. 

 Tartaric acid, atomic weight of, 138. 

 Tartarized antimony, preparation of, 132. 

 Tartrate of lead, composition of, 139. 

 Theban soros, examination of the stone 



used in the construction of, 57. 

 Theory, Mr. Herapath's, remarks upon, 



223, 390, 418. 

 Thermometer, observations on, 297. 



Wollaston's, on, 292. 



Thomson, Dr. experiments to determine 



the atomic weights of various metals 



and acids, 1 20. 

 Thomsonite, a new mineral substance, on, 



254. 

 Tin, atomic weight of, 123 — composition 



of protoxide and peroxide of, 124. 

 Traill, Dr. description of some minerals 



found in the newly discovered Antarctic 



land, 147. 

 Tredgold, his remarks replied to, 223, 



462. 

 Turner, Mr. I. A. on a crystalline subli- 

 mate from oil of cinnamon, 222. 



V and U. 



Vegetable acids, anhydrous, table of the 

 composition of, 148 — crystallized table 

 of the composition of, 1 48. 



Vegetation, effects of copper on, 77. 



Voyage of discovery, Russian, 397. 



Ure, Dr. on an alkalimeter and acidimeter, 



15. 



W. 



Weaver, T. Esq. on floetz formations, 

 241, 339, 405. 



Weight, atomic, of acetic acid, 142, anti- 

 mony, 124— arsenious acid, 129 — bin. 



