INDEX. 



547 



tive to the spheroidal state of bo- 

 dies, 60. 



Brodie (B. C.) on the chemical nature 

 of wax, 244. 



Bromine, on the detection of, 156 ; 

 on a method of ascertaining the 

 quantity of, 394. 



Bronwin (Rev. B.) on the theory of 

 the tides, 187, 264, 338. 



Brooke (C.) on the automatic regis- 

 tration of magnetometers and me- 

 teorological instruments by photo- 

 graphy, 544. 



Brookite and Arkansite, identity of, 

 75.^ 



Bryce' (Jas.) on the lignites and al- 

 tered dolomites of the island of 

 Bute, 81. 



Bucholzite, on the identity of, with 

 kyanite, 459. 



Buff (Prof.) on Du Bois Reymond's 

 discovery of the development of 

 electricity by muscular contraction, 

 288. 



Bull (B. W.) on the inorganic con- 

 stituents of yeast, 286. 



Caillat (M.) on the analysis of plants 

 by incineration, 309- 



California gold region, notes on the, 

 470. 



Cambridge Philosophical Society, pro- 

 ceedings of the, 228, 392. 



Carbanilamide, on the properties and 

 composition of, 236. 



Carolles (M. Blondeau de) on the for- 

 mation of fatty matters in vege- 

 tables, 158. 



Challis (Rev. J.) on the views of the 

 Astronomer Royal respecting the 

 modification of sounds by distance 

 of propagation, 241. 



Chancel (G.) on the nitrogenous com- 

 pounds of the benzoic series, 236. 



Chapman (E. J.) on the notation of 

 crystals, 321. 



Chlor-melal, on the properties and 

 composition of, 249. 



Chloroform, on the refractive and di- 

 spersive power of, 94 ; observations 

 on, 314. 



Claudet (M.) on the theory of the 

 principal phaenomena of photogra- 

 phy in the Daguerreotype process, 

 374. 



Claus (M. C.) on the metals of pla- 

 tina, 396. 



2 



Cobalt, on the preparation of pure 

 oxide of, 154; on alumiuate of, 155. 



Cockle (J.) on systems of algebra 

 involving more than one imaginary, 

 and on equations of the fifth de- 

 gree, 434. 



Colophene, on the preparation and 

 composition of, 477. 



Colouring principles of madder, on 

 the, 204. 



Copper, on the blue arseniate of, 

 310. 



Corenwinder (M. B.) on the prepara- 

 tion of nitrogen gas, 317. 



Corundellite, analysis of, 452. 



Cotton, on a peculiar fibre of, 334. 



Crum (W.) on a peculiar fibre of cot- 

 ton which is incapable of being 

 dyed, 334. 



Crystals, on the notation of, 321. 



Cumberland, on the meteorology of 

 the Lake districts of, 70. 



Curves, on the intrinsic equation of, 

 229. 



Daguerreotype process, observations 

 on the, 374. 



Davies (T. S.) on geometry and geo- 

 meters, 497. 



Davy (Dr. J. D.) on carbonate of lime 

 as an ingredient of sea-water, 232. 



De la Rive (Prof.) on the vibratory 

 movements which magnetic and 

 non-magnetic bodies experience 

 under the influence of external and 

 transmitted electric currents, 422 ; 

 on the cause of aurorae boreales, 

 446. 



De Morgan (Prof.) on anharmonic 

 ratio, 165. 



Desains (P.) on the rotation of the 

 plane of polarization of heat by 

 magnetism, 481. 



Despretz (M. C.) on the electricity 

 developed by muscular contraction, 

 55. 



Deville (M. H.)on the combinations 

 of oil of turpentine and water, 474; 

 on the action of phosphoric acid on 

 the hydrates of oil of turpentine, 

 477. 



Dixon (T. H.) on rain, the cause of 

 lightning, 392. 



Doepping (M.) on a compound of 

 sulphurous acid and water, 393. 



Dolomites of the island of Bute, on 

 the, 81. 

 N2 



