550 



INDEX. 



contained in coal-gas naphtha, 115, 193, 

 261. 



Humholdtilite, analysis of, 316. 



Hunt (R.) on the influence of light on 

 plants, 96 ; on chromo-cyanotype, 435, 

 455 ; on energiatype, a new photogra- 

 phic process, 544. 



Hyposulphite of soda, preparation of, 78. 



Ichthyopodolites, observations on, 230. 



Insects, on the occurrence of the remains 

 of, in the upper lias, 377. 



Integrability, on the application of crite- 

 ria of, 94. 



Interference, on the undulatory theory 

 of, 81. 



Iridium, preparation of, 474. 



Iron, protiodide of, on the preparation of 

 the, 234. 



J. J. on the notations employed in the 

 differential and integral calculus, 25. 



Joule (J. P.) on the intermittent charac- 

 ter of the voltaic current in certain 

 cases of electrolysis, and on the inten- 

 sities of voltaic arrangements, 106. 



Kane (Dr. R.) on the chemical constitu- 

 tion of flax and hemp, 98. 



Kaye (C. T.) on some fossiliferous beds 

 of Southern India, 231. 



Kent (E. N.) on a new process for pre- 

 paring gallic acid, 314. 



Komenate of iron, preparation and com- 

 position of, 134. 



Latham (Dr. J.), notice of the late, 

 214. 



Latham (Prof.) on the science of pho- 

 netics, 279, 420. 



Leucol, chemical investigation of, 261. 



Light, action of yellow, in producing the 

 green colour of plants, 1 ; influence of, 

 on plants, 96. 



, latent, observations on, 232. 



Lithofellinic acid, observations on, 354. 



London Institution, proceedings of the, 

 76. 



Low's Simple Bodies of Chemistry, re- 

 viewed, 296. 



Lund's (Dr.) researches in Brazil, account 

 of, 541. 



Lyell (C.) on upright fossil trees found in 

 the coal-strata of Cumberland, Nova 

 Scotia, 74 ; on the coal-formation of 

 Nova Scotia, 146. 



MacCullagh (Prof.) on the laws of metal- 

 lic reflexion, and on the mode of making 

 experiments upon elliptical polariza- 

 tion, 380. 



Macintosh (C), notice of the late, 214. 



Magnetism, terrestrial, contributions to, 

 466. 



Man, on the coexistence of, with extinct 

 mammiferous animals, 541. 



Manganese, mode of distinguishing zinc 



from, 234. 

 Marguerite (M.) on the chemical consti- 

 tution of wolfram, 153. 

 Matter, on the nature of, 136. 

 Meconic acid, on the products of the di- 

 stillation of, 128. 

 Melilite, analysis of, 314. 

 Mercury, on the latent light of, 232. 

 Metalliferous veins, on the displacements 



of, 180, 258. 

 Metals, on the solubility of, in persulphate 



and perchloride of iron, 365. 

 Meteorological observations, 79, 159, 239, 



319, 399, 479. 

 Meteorological phenomenon, account of a, 



238. 

 Mialhe (M.) on the action of chlorides 



on the protochloride of mercury, 78 ; 



on the preparation of the protiodide of 



iron, 234. 

 Mineralogy: — constitution of wolfram, 



153; analysis of Beaumontite, 237; 



of Sismondine, 238 ; of melilite, 314 ; 



of Humholdtilite, 316 ; identity of sco- 



rodite and neoctese, 476; comparative 



analysis of anatase and rutile, 477. 

 Moon (R.) on the undulatory theory of 



interference, 81. 

 Moon's motion, differential equations of 



the, 85. 

 Morgan (A. de) on the reduction of a 



continued fraction to a series, 15. 

 Moser (Prof.), notes on the experiments 



of, 38 ; on the latent light of mercury, 



232. 

 Murchison (R. I.) on the freshwater beds 



of Brora, 72. 

 Myricine, composition of, 19. 

 Naphtha from coal-gas, chemical investi- 

 gation of the bases contained in, 115, 



193,261. 

 Napier (J.) on the solubility of metals in 



persulphate and perchloride of iron, 



365. 

 National Institute of the United states, 



proceedings of the, 468. 

 Neocomian system of foreign geologists, 



observations on the, 72. 

 Neoctese, on the identity of, with Scoro- 



dite, 476. 

 Newbold (Lieut.) on the temperature of 



the springs, wells and rivers of India 



and Egypt, 461. 

 Osmium, process for obtaining, 393. 

 Otto (M.) on distinguishing zinc from 



manganese, 234. 

 Ovum, observations on the history of the 



development of the, 42, 281. 

 Owen (Prof.) on the remains of the Di- 



nornis, 378 ; on some Belemnites, 464. 



