INDEX. 401 



bivorous animals, 109. Native carbonate of soda found in India, 

 178 



Carburetted hydrogen gas, notice of a new one, 381 



Casks, report on an improved sliding rule for, with rules for its use, 

 357-361. Mode of computing the contents of a cask from the 

 wake, 362, 363 



Caulineafragilio, circulation of the sap, discovered in, 388, 389 



Chalk, effects of burning on, 386, 387 



Chara Jlexilis, organization of, 389,390 



Charcoal, fusion of, 158, 159. The action of nitric acid on, 161, 

 162. Charcoal discovered in the cinders of Vesuvius, 180. Ex- 

 periments on the proportion of charcoal obtained from woods of 

 a greater specific gravity than box, 264, 265 



Chemical Science, miscellaneous intelligence in, 156-177, 372-388 



Chevreul, (M.), memoir of, on the causes of the diversities found 

 in soaps, and on a new group of organic acids, 109-113. Facts 

 collected by him, relative to the history of cow-butter, 1 14, 1 15 



Childrenite, a non-descript mineral, account of, 274, 275 



Chimnies, extinction of fires in, 156 



Chinese year, remarks on, 331 



Chloride of potassium thrown out by Vesuvius, 395. Effects of 

 chloride of lime, as a disinfector, 395 



Chlorine, a remedy in scarlet fever, 395 



Chrysoberyl, Brazilian, analysis of, 394 



Cinchona, analysis of, 279-282, 285, 286 



Cinnamon Stone of Malsjti, analysis of, 394 



Cloth, process for making waterproof, 155 



Cloie-Tree, Benzoic acid found in the ripe fruit of, 378 



Cobalt and nickel, amalgamation of, by arsenic, 166 



Comets, catalogue of the orbits of, which have hitherto been com- 

 puted, 149-154, 349-356 



Corn, prevention of smut in, 156 



Crystals, loose, discovered in quartz, 394 



Cumming (M.), observations of, on the dead escapement, 9, 10 



Cumming (Professor), table of thermo-electrics, by, 171. On 

 thermo-electric rotation, 372, 373. And on a thermo-electric 

 phenomenon with iron, 374 



Cutbush (Dr.), experimens by, with nitric acid, on charcoal, 161. 



Cyanic Acid, new mode of forming, 104-106 



Cyanogen, production of, 161 



Cystic Oxide, compounds of, 176, 177 



Dahlinc, a new vegetable principle, account of, 387 



Davis (J. F. Esq.), notice of his remarks on the Chinese year, 331, 



332 

 Davy (Sir Humphrey), address of, on delivering the Copley Me- 

 dal, 298, 299 



Vol. XVI. 2 D 



