654 



INDEX. 



Sefstrom's, M., account of a new metal, 



562, 625. 

 Selenium, sale of, 184. 



mode of preparing, 619. 



Serpents, remarks upon the salivary 



glands of, 591. 

 Serullas, M., experiment on perchloric 



acid, 563. 

 on the preparation of iodic 



acid, 614. 

 .. on the precipitation of the 



vegeto-alkalies, by iodic acid, 615. 

 .. on the action of bromic and 



chloric acids on alcohol, 615. 



- on perchloric acid, and its 

 fossil formation, 616. 



Shamrock, remarks upon the, by Mr. 

 Bicheno,453. 



Silver, action of mercury upon, 4. 



Sillimau's, Professor, observations on the 

 galvanic currents during the decom- 

 position of water, 166. 



Simmons's, Mr., account of a new spe- 

 cies of British snake, 193. 



Size for artists, 165. 



Smith's, Mr., mode of preparing bicar- 

 bonate of soda, 385. 



1 Snail, curious formation of its winter 

 cell, 501. 



Smut in corn, 420. 



Snake, new species of, 193. 



Snow of the winter 1829-30, 196. 



peculiar fall of, 198. 



. animalcula in, 193. , 



. remarks on the non-conducting 



power of, 515 and advantage some 



animals take of it, ibid. 

 Sound, singular natural, 204. 

 Soubeiran, M., on the reaction of per- 



salts of iron, and neutral carbonates, 



388. 

 South' s, Sir James, remarks upon the 



apparent projection of stars upon the 



moon's disc, 163. 



Spiders, their mode of cleaning them- 

 selves, 27. 



- mechanical powers of, 426. 

 Spinal marrow in insects, remarks upon 



the functions of the, 587. 

 Spongy platinum, experiment with, and 



mercury, 10. 

 Stammering, observations on, by Dr. 



Hall, 253. 

 Stars, apparent projection of on the 



moon's disc, 163. 

 Steam, generation of, by heated metal, 



613. 

 engines, boilers of, injured by the 



rapid deposition of sulphate of lime, 42. 

 Stromeyer, M., on pyrophosphoric acid 



and the pyrophosphates, 167, 168, 



Strehlke, Professor, on atmospheric phe- 

 nomena, 432. 



Sturgeon, monography of, 569. 



Svanberg, M., on the temperature of the 

 planetary space, 370. 



Substances phosphorescent when heated 

 have this property restored by electri- 

 city, 77, 79, 80. 



Sulphate of lime, deposition of, from 

 hard water, 42. 



Sulphur, modes of refining, 126. 



Sulphuric acid and zinc, on the relative 

 action of, 388. 



ether, manufacture of, 629. 



Surgical recovery of an eye, 191. 



Symbols, list of, by Professor Whewell, 

 450. 



T. 



TANANARIVOU, observations upon the 

 weather at, 47. 



Taste, seat of the sense of, 425. 



Teleo-saurus, memoir on the fossil re- 

 mains of the, 569. 



Telescopes, on the first invention of, 31 9. 



Tellurium, M. Rose on, 399. 



Temperature of the planetary system, 

 370. 



Terrestrial magnetism, table of the in- 

 tensity of, 374. 



Tides in the atmosphere, 559. 



Timber, rended by lightning, 195. 



experiments on the strength of, 



599. 



Tin and lead, combustion of an alloy of, 

 626. 



Titanium, atomic weight of, 175. 



Torsion, elasticity of, in threads of glass, 

 556. 



memoir on, by M. Cauchy, 598. 



Turpin's, M., account of the oxalade of 

 lime in plants, 422. 



Turner's, Dr., on the mode of ascertain- 

 ing the commercial value of ores of 

 manganese, 293. 



Twisting of the arteries in cases of am- 

 putation, 564. 



V. 



VAPORIZATION, on the limits of, by Mr- 

 Faraday, 70. 



Vaults, mode of erecting, without cen- 

 tring, 224. 



Vegeto-alkaline salts, electro-chemical 

 decomposition of the, by Mr. Brande, 

 250. 



Vegetables, on the growth of, by M. 

 Amici, 422. 



circulation in, 424, 635. 



Venadium, account of the new metal, 

 562, 625. 



