INDEX. 



449 



Prajcocinatae, characteristics of, 343 — 



arrangement of, 351 

 Pressure, on measuring the force of, 392 

 Prismatic structure in sandstone, 247 

 Prout, Dr., on the existence of silex, 235 

 Prussia, society for the encouragement of 



horticulture in, 211 



Quadrupeda, illustrations of, 336 



Quillac Saponaria, bark of, 193 



Quinia, or Quinine, observations on, 306 



Raulin, Dr., on changes in animals, 204 



Rays, solar, electricity of, 173, 420 



Recluz, M., botanical excursion of, 435 



Rennie's Supplement to the Pharmaco- 

 poeias, 312 



Renwick, Professor, letter to, 1 



Rhodium, a new metal, 97 



Ricord, M., on wasps, 437 



Rive, M. de la, experiments of, 172 



Robiquet, M., 192 



Rocks, decomposition of, 216 — crystalline 

 and concretionary structure in, 251 



1 on classifications of, 34 



felspar, 362 



Rogers, Mr., on achromatic object glasses, 

 106, 379 



Roche, M. on the elastic force of steam, 

 168 



Roots, medicinal, gathering of, 208 



of plants, direction of, 422 — na- 

 ture and character of, 423 



Roulin, M., on Indian corn, 430 



Royal Society of Orleans, 214 



Rum, island of, sandstone in, 255 



Runge, Dr., discovery of, 191 



Sabine, Edward, on Mr. Hansteen's re- 

 cent magnetic observations in Siberia, 

 1 — his experiments on the force of the 

 Earth's magnetism, 14 

 Salehie, a number of villages, 128 

 Salt, impure, in France, 432 

 Sand, encroachments of, 370 

 Sandstone, on a prismatic structure in, 247 

 Sandwich Isles, commerce of, 216 

 Santini, G., his remarks on achromatic 



telescopes, 106, 379 

 Santissima Trinidada, account of, 225 

 Saturn, eccentricity of the ring of, 161 

 Sauces, agreeable effect of, 148 

 Savart, M. on the structure of metals, 163 

 Scarabaeus, Egyptian, its habits described, 



427 

 Schist, argillaceous, 359 

 Schmidt, Dr. J. J. on the word Bedolah, 



or Bedolach, 245. . 

 Schuebler and Bentsch, their experiments 



on oils, 192 

 Scrofula, application of iodine to, 432 



Scuirmore, hill of, 255 



Sea, phosphorescence of, 203 



Seamen, Swedish, manual power of, 229 



Seeds of plants, their germinative power, 



211 — preservation of, 426 

 Serturier, Dr. on new vegeto-alkalies ob- 

 tained from cinchona, 417 

 Ships of the line, relations which exist 

 between the force, construction, and 

 sailing qualities of, 219 — table of their 

 comparative force, 230 

 Shrubs, on training, 55 

 Siberia, magnetic observations in, 1, 213 

 Silica, soluble in caustic fixed alkalies, 238 

 Siliceous gravel, observations on, 234 



— ■ minerals, analysis of, 413 



Silicium, sulphuret of, 181 



Silver, metallic, in the animal tissue, 430 



. paper, process for imitating, 402 

 Sium nodiflorum, a dangerous plant, 427 

 Smithson, Mr., on the detection of mer- 

 cury, 183 

 Snow, red of the Arctic regions, 206 

 Soap-tree, bark of, 193 

 Solar rays, electricity of 173, 420 

 Sorbus Aucuparia, berries of, used in 



producing a new spirit, 416 

 Souffre, Mount, eruption of, 31 

 Sound, remarkable phenomenon of, 31 

 Sovereign of the Seas, built by Phineas 



Pett, 223 

 Spanish navy, state of, 225 

 Spectacles, achromatic, 402 

 Spirit, new source of, 416 

 Steam, elastic force of, 168 — destruction 



of vermin by, 169 

 Stone, on the dilatation of, 170 

 Storm and flood in the counties of Aber- 

 deen, Banff, &c, account of, 328 

 Storms, progress of 214 

 Streets of the metropolis, state of, 293 

 Struve, M., his observations on the 



comet of Encke, 302 

 Strychnia, poisoning by, 431 

 Subferinae Edentia, arrangement of, 351 

 Sulphates, decomposition of, in water, 180 

 Sulphur, carburet of, 409 



■ found in gypsum, 433 

 Sumeru, eastern declivity of, 246 

 Sundew, a small plant, 289 

 Swedish iron, quality of, 216 

 Sydenham, remark of, 307 



Taillet, M., 436 



Talleyrand, Prince, 140 



Tartar, method of transforming into oxa- 

 late of potassa, 415 



Tartrates, preparation of, 388 



Taste, sense of the word, 141 



Teeth of the hedgehog, observations on, 

 332 



Telegraph, ne-w, described, 393 



