548 



INDEX. 



nut, 104 ; investigation of the organic 

 bases in coal-gas naphtha, 115, 193, 

 261 ; products of distillation of meco- 

 nic acid, 128 ; detonation of the alloy 

 of potassium and antimony, 153 ; ana- 

 lysis of fossil hones, 154 ; apiine, 155 ; 

 sulphocamphoric acid, 157 ; on the 

 voltaic decomposition of solutions, 161 ; 

 on the products of decomposition of 

 uric acid, 186 ; on aethogen, 191 ; clas- 

 sification of granitic rocks, 220 ; on 

 the equivalent of zinc, 233 ; distinction 

 of zinc from manganese, 234 ; prot- 

 iodide of iron, ib. ; chlorazotic acid, 

 235 ; on the manner in which cotton 

 unites with colouring substances, 241 ; 

 experiments on coffee, 313 ; prepara- 

 tion of gallic acid, 314 ; analysis of 

 guano, 317, 394, 470; pectic acid, 

 319 ; on the elasticity of gases, 354 ; 

 on biliary concretions, ib.; solubility 

 of metals in persalts of iron, 365 ; ana- 

 lyses of the Bath and Bristol waters, 

 371 ; on fermentation, 372 ; absinthic 

 acid, 392 ; preparation of osmium, 393 ; 

 on heat disengaged in combinations, 

 401, 457 ; on animal heat, 456; on the 

 electrolysis of secondary compounds, 

 463 ; on ozone, 467 ; existence of phos- 

 phoric acid in rocks of igneous origin, 

 467 ; on the amalgamation of silver 

 ores in Mexico, ib. ; secretion of car- 

 bon by animals, 468 ; preparation of 

 iridium, 474 ; double carbonate of am- 

 monia and magnesia, 475. 



Chevallier (Rev. Prof.) on an astronomi- 

 cal time watch-case, 517. 



Chimaera, new species of fossil, 51, 376. 



Chloranil, observations on, 200. 



Chlorazotic acid, 235. 



Chlorides, action of, on protochloride of 

 mercury, 78. 



Chlorindatmite, observations on, 201. 



Chlorindoptic acid, 202. 



Chlorophylle, production of, by yellow 

 light, 1 ; destruction of, by light, 13. 



Chromo-cyanotype, 435. 



Clarke (Rev. W. B.) on a fossil pine 

 forest on the eastern coast of Austra- 

 lia, 59. 



C. M. on the experiments of Moser, 38. 



Coffee, experiments on, 313. 



Colouring matter, on the manner in which 

 cotton unites with, 241. 



Comet, observations respecting the great, 

 300. 



Comet of Faye, on the orhit of, 5 1 9. 



Conic sections, observations on, 49. 



Connell (A.) on the Tagua nut, or vege- 

 table ivory, 104 ; on the voltaic de- 

 composition of solutions, 161. 



Coombe (Rev. J. A.) on the force of equi- 

 librium of an inextensible string, 423. 



Cooper (J. T.) on catechuic acid, 500. 



Cornwall and South Devon, on the geo- 

 logy of, 332. 



Crinoidea, on the locomotive and non- 

 locomotive powers of the, 57. 



Crum (W.) on the manner in which cot- 

 ton unites with colouring matter, 241. 



Crystals, on a means of preserving, for the 

 microscope, 505. 



Cundell (G. S.) on the practice of the 

 calotype process of photography, 322. 



Cunningham (J. J.) on coffee, 313. 



Cyanide of gold, on a new, 515. 



Cyanol, preparation and chemical consti- 

 tution of, 121 ; on the combinations 

 of, 193 ; products of the decomposition 

 of, 199. 



Damour (A.) on melilite, 314 ; on llum- 

 boldtilite, 316 ; on the identity of sco- 

 rodite and neoctese, 476 ; on anatase 

 and rutile, 477. 



Daniell (Prof.) on the electrolysis of se- 

 condary compounds, 463. 



Davy (Dr. J.) on animal heat, 456. 



Dawes (Rev. W. R.) on the divisions of 

 the exterior ring of the planet Saturn, 

 306. 



Definite integrals, on some, 491. 



Delesse (A.) on Beaumontite, 236 ; on 

 Sismondine, 238. 



Descartes, demonstration of the rule of, 

 24. 



Dialurate of ammonia, observations on, 

 187. 



Dial uric acid, on the preparation of, 188. 



Differential and integral calculus, on the 

 notations employed in, 25. 



Dinomis, account of the, 378. 



Distances, on the determination of, 181. 



Drach (S. M.) on the enumeration of prime 

 numbers, 192. 



Earth, on changes in the temperature of 

 the, 144. 



Egerton (Sir P. G.) on some new species 

 of fossil fishes, 51, 375. 



Electric conduction, speculations concern- 

 ing, 136. 



Electric fluids, on the cause of dissimila- 

 rity in the phenomena of, 174. 



Electrolysis, on the intermittent character 

 of the voltaic current in certain cases 

 of, 106. 



Electrolysis of secondary compounds, on 

 the, 463. 



Encrinite, new species of, 58. 



Energiatype, 544. 



Entozoonfolliculorum, description of the, 

 455. 



Estuaries, observations on, 485. 



