562 



INDEX. 



Brodie (Rev. P. B) on the remains 

 of insects and a new genus of Iso- 

 podous Crustacea in the Wealden 

 formation, 534. 



Brown (R.), the Copley Medal award- 

 ed to, 521, 522. 



Buckland (Rev. Dr.), elected one of 

 the corresponding members of the 

 Institute of France, 158. 



Bucknell's Eccaleobion, 544. 



Butterflies' wings, on the configuration 

 of the scales of, 279. 



Calcium, chloride of, action of ferro- 

 cyanide of potassium on, 490. 



Cambrian and Silurian systems in 

 Belgium, on the equivalents of, 146. 



Cambridge Philosophical Society, the 

 Rev. W. Whewell on a new theory 

 of the tides, 476. 



Canada, on some fossil and recent 

 shells collected in, 399- 



Cantor (Dr.) on the production of 

 isinglass from Indian fishes, 547. 



Caoutchouc, experimental researches 

 on, 76. 



Carbon, sesquichloride of, its ana- 

 lysis, 2. 



Carbon, on the equivalent of, 62 ; com- 

 binations of with silicon and iron, 

 417- 



Caseum, analysis of, 482. 



Chemical constitution of bodies which 

 undergo vinous fermentation, 314. 



Chemistry, analytical, notices in, 2. 



Chemistry of organic bodies by Dr. T. 

 Thomson, notice of, 67- 



Chloride of sulphur, sulphate of, 483. 



Chloride of tin, its action on sulphur- 

 ous acid, 156. 



Ghloriodide of potassium, 555. 



Chlorocyanate of methylene, 94. 



Chlorosalts, preparation of, 411. 



Chloro-stannite of mercury, 413. 



Chloro-sulphuret of mercury, 551. 



Chromate of lead, its employment in 

 the analysis of organic substances, 2. 



Cinnamic aether, 251. 



Clouds, 195, 218. 



Coal formations, presence of iodine 

 in, 411. 



Colladon (Mr.) on atmospheric elec- 

 tricity, 220. 



Colombia, meteorological observations 

 made during a residence in, 13, 97, 

 169, 297, 374, 508, 



Colophonite, analysis of, 86. 



Colours of the atmosphere, 25 ; acci- 

 dental, theory of, 435. 



Cooper (E.), observations of shooting 

 stars, made Aug. 10, 372. 



Copper-plates, engraved, method of 

 producing copies of, by voltaic ac- 

 tion, 161. 



Cornwall, on the culm- and plant- 

 bearing beds of, 293 ; transition or 

 grauwacke system of, 396 ; on the 

 older rocks of, 401. 



Coxe (Dr.) on some fungi capable of 

 being used as a water, colour for 

 drawings, 70. 



Craig (Rev. E.) on the configuration of 

 the scales of butterflies' wings, 279. 



Cray fish, on the moulting process in 

 the, 331. 



Cubebin, on, 249. 



Currents of the ocean, 193. 



Cyanate of methylene, 94. 



Daguerreotype, on the proper focus 

 for the, 381. 



Dalton (Dr.) on the phosphates, 327 ; 

 on the arseniates, 327. 



Daniell (Prof.) on voltaic combina- 

 tions, 312; on the electrolysis of 

 secondary compounds, 317- 



Davy (Rev. M.), notice of, 522. 



Declination, hourly changes and se- 

 cular variations, 185. 



De Morgan (Prof.) on the rule for 

 finding the value of an annuity on 

 three lives, 337. 



De Saussure's electrometer, 219- 



Devon, on the older stratified rocks 

 of, 109 ; on the culm- and plant- 

 bearing beds of, 293 ; on the tran- 

 sition or grauwacke system of, 396 ; 

 on the older rocks of, 401. 



Dew-point, estimation of, 215. 



Dbbereiner (M.) on the separation of 

 lime and magnesia, 247- 



Drach (S. M.) on the use of barome- 

 trical formulae for determining the 

 heights of mountains, 310. 



Draper (J. H.) on the use of a secon- 

 dary wire as a measure of the rela- 

 tive tension of electric currents, 266, 

 339. 



Drummond's light, on the supply of 

 mixed gases for, 163. 



Dumont (A. H.) on the equivalents of 

 the Cambrian and Silurian systems 

 in Belgium, 146. 



Earth, figure of the, 188, 322. 



