408 INDEX. 



Silliman (Professor,) fusion of charcoal, plumbago, anthracite, 

 and diamond by, 157-161 



Slidiny-Rule for gauging casks, report on an improved one, 

 357-361 



Smut, prevention of, in corn, 156 



Soaps, causes of the diversities of, 110, 111. Considered with re- 

 gard to smell, 111, 112 



Soda, native carbonate of, found in India, 178 



Solubility diminshed by heat, 165 



Somervillite, a non-descript mineral, account of, 275, 276 



South (James, Esq.,) astronomical phenomena arranged by, for 

 first three months in the year 1824, 286-297 



Spars, observations on the different species of, 106, 107 



Steam, action of, on solutions of silver and gold, 162 



Steel, cutting of, by soft iron, 155 



Sugar, use of, as an antidote to lead, 395 



Sulphurets, experiments on, resulting from the reduction of some 

 sulphates by means of charcoal, 100-102 



Tamar (river,) notice of au intended chain bridge over, 155 



Tartaric acid, influence of, in certain cases of analysis, 107-109 



Tartrate of lead, pyrophorus obtained from, 385 



Taylor's Theorem, demonstration of, 229 



Temperature, increased of mines, hypothesis to account for, 317, 

 318, note 



Tenacity of iron wire, experiments on, 367, 368 



Test Papers, notice of two new coloured ones, 380 



Thames (river,) probable mischiefs from, on taking down and re- 

 building London bridge, 27. Remarks on Mr. Rennie's design 

 for a new bridge over this river, 28-35 



Thermo-electrics, table of, 171. Experiments on thermo-electric 

 magnetism, 126-130. And on thermo-electric rotation, 372, 

 373. Thermo-electric phenomenon, with iron, 374 



Thompson (Mr. G.), description of a grotto in the interior of the 

 Cape of Good Hope, 272-274 



Thunder Storm, periodical, notice of, 396 



Tide-Gauge, new, description of, 348 



Titanium, combinations of, with oxygen and sulphur, 97, 98. 

 Experiments and observations on metallic titanium, 326, 327, 

 381, 382 



Todd (Dr. T. J.), on the process of the reproduction of the members 

 of the aquatic salamander, 84-96 



Touchwood, observations on, 185 



Ultramarine, adulteration of, 167 



