iN{>fix. 45 



Children (J. G., Esq.), observations of, on some alvine concre- 

 tions, xiv. 102 

 Cliildrenite, a non-descript mineral, account of, xvi. 274, 275 

 Cliili, account of the earthquake at, in November, 1822, xvii. 38 

 Chimneys, a new method of constructing them described, iii. 351. 



Its advantages, 348 

 ■ on a new machine for cleansing, iii. 394. v. 354-356 



• — importance of attending to the construction of, especi- 



ally for furnaces, xii. 352 



— extinction of fires in, xvi. 156 



— improved cowl for, xvii i. 165 



Chinese mode of making sheet-lead, v. 369 

 ' settlers and merchants of Batavia, character ofj vii. 19, 



Cruelty of the Chinese magistrates, 341 



■ year, remarks on, xvi. 331 



Chisholme (Dr.), on vegetable antidotes to poisons, x. 193 

 Chiswick, account of an overflowing well at, xvii. 70-74 

 Chloric acid, observations on, iv. 289 

 Chlorides, nature and properties of, iv. 240 



of silver, reduction of, by hydrogen, v. 360 



■ on the decomposition of, by hydrogen and 



zinc, viii. 374 



■ ' — of potassium and sodium, analysis of the mixtures of, 

 viii. 367 



. of gold, action of salts on, x. 118, and of soluble and 



insoluble salifiable bases on, 119 

 of lime, by whom invented, xiii. 1. Notice of the ex- 



periments on it by Mr. Dalton and Dr. Henry, 1 ; by Mr. Welter, 

 4 ; by Dr. Thomson, 5 ; result of their experiments, 6 ; re- 

 marks thereon, 8. Experiments and researches of Dr. Ure, 9 ; 

 his process for manufacturing it, 14. On the triple chloride of 

 gold and sodium, xiii. 400 



of potassium thrown out by Vesuvius, xvi. 395 



lime, effects of, as a disinfector, xvi. 395 



instructions for ascertaining the strength of,xviii. 182 



of calcium, use as a manure, xix. 153. Of titanium, 



experiments on, 15a 



