INDEX. 



Melandri, Dr. G. on the aitif.cial tannin 

 of Mr. Hatchett, 317 



Metallic salts, see Salts. 



Metals, alkaline, new properties of, 40 



Meteoric stones, analysis of, 190 



Meteorological Journal, for August, 80 

 — September, 160 — October, 2-10 — 

 November, 320 



letter concerning, 308 



Meteors during a thunder-storm in Au- 

 gust last, 161 



Miller, Mr. 337 



Mirbel mistaken as to the cause of 

 motion in plants, 72, 115, 337 



Mollerat, M. his manufacture of vine- 

 gar from wood, 70 



Mons, Van, on atmospheric pheno- 

 mena, 106 — On the cultivation of 

 fruit-trees, 158 — On Galvanism and 

 electricity, 179 



Morveau, M. his invention of a pyro- 

 meter, 71 



Motion in plants, 114, 261 



Mucus, animal, 12 



Muriatic acid, see Acid. 



N. 



Nervous system, its structure, 72 

 Nightshade, analysis of, 317 



Olbers, Dr. his discovery of the pertur- 

 bations of the planet Pallas, 68— On 

 comets, 198 



Olivier, M. on coleopterous insects, 75 



Onions, analysis of, 290 



Oxides, how affected by potassium, 92 



Facehiani's Galvanic experiments, 179 

 Pallas (planet) prize for the discovery of 



a theory of its perturbations, 68 

 Paradisi, M. on the vibrations of sound, 



314 



Parmentier, M. his improvement of 

 ■•''jrapestigar, 71 

 Peron, M. his collection of insects of 



the Medusa class, 75 

 Petit Thouars, M. Du, on the gerius 



orchideae, 74 

 Petrifactions, 78 

 Phenomena, atmospheric, 106 

 Phosphorus, its action on alkalies, £8S 

 Picot, Professor, on comets, 197 

 Planets, anatomy of, 72 — Compound 



flowersof, 74— Motion of, 121,261 

 Poisson on planetary motion, 70 

 Pompeii, colours found at, 302 

 Poncelet, M. his lamination of zinc, 70 

 Potassium, how obtained, 37, 318— Its 



action on salts and oxides, 92 

 Potash and soda, process for metallizing, 



without the assistance of iron, 37, 



31 S — Cannot be freed from water, 71 

 Prize questions, proposed by the French 



National Institute, 68, 312 — By the 



Russian Imperial Academy, 317 

 Proust, M. his extraction of sugar from 



grapes, 71 

 Pyrometer, 71 



Rain, see Clouds. 



Rampasse, M. on a calcareous breccia 

 containing fossil bones, found in Cor- 

 sica, 193 



Rennell, J. Esq on the effect of westerly- 

 winds in raising the level of the British 

 Channel, 379 



Repetends, singular property of, 124 



Respiration, experiments on, 130, 307 



Rice- stone of the Chinese, analysis of, 

 375 



Rickman, Mr. his experiments on the 

 currents of water, 52 



Ritter, M. on the metallic product of 

 potash, 318 



Roche, M. de la, on the monography of 

 erin gums, 74 



Rosenmueller, 



