566 



I N D E X. 



Induction-current, on the extra cur- 

 rent of the, 1. 



Iron, on the permeability of, to hy- 

 drogen, 229. 



Jochmann (E.) on induction in a 

 rotating conductor, 34/. 



Joule (Dr. J. P.) on the history of 

 the dynamical theory of heat, 1 50. 



Jupiter, on the spectrum of, 486, 



Kronig (M.) on the theory of the 

 Davy lamp, 22/. 



Lakes, on the erosion of, 293; on the 

 temperature in the depth of certain 

 mountain-, 326. 



Lamarle (Prof.) on the conditions of 

 stability of thin films of liquids, 

 206. 



Lang (V. von) on some combinations 

 of Gadolinite, 145 ; on the crystal- 

 line form of malachite, 502 ; on 

 Gismondine, 505 ; on the crystal- 

 line form of Herschelite, 506. 



Langite, analysis of, 403. 



Lea (M. C.) on the distillation of 

 substances of different volatilities, 

 75. 



Lemoine (M.) on a new sulphide of 

 phosphorus, 235. 



Lenk's (Baron von) gun-cotton, ob- 

 servations on, 535. 



Life, influence of heat-force on vege- 

 table, 400. 



Light, on the dispersion of, by quartz, 

 137; on the theory of, 409; on 

 the phenomena attending the pro- 

 pagation of, 430; on a theory of 

 the dispersion of, 489. 



Liquids, on the conditions of sta- 

 bility of thin films of, 206 ; on 

 the rotatorv* power of active, and 

 of their vapours, 243 ; on the cohe- 

 sion-figures of, 354 ; on some 

 curious effects of the molecular 

 forces of, 434. 



Lorenz (Prof. L.) on the theory of 

 light, 409. 



Magnetic phenomena, on the rela- 

 tion of earth currents to, 140. 



Malachite, on the crystalline form of, 

 502. 



Martins (C.) on the temperature of 

 sea-water, 405. 



Maskelyne (Prof. N. S.) on aerolites, 

 148. 



Mathews (W.) on the comparison 

 between the English and metrical 



readings in double-scale barome- 

 ters, 484. 



Maurey (M.) on gun-cotton, 535. 



Mayer (Dr. J. R.), on the scientific 

 labours of, 25. 



Mensbrugghe (G. V.) on some curious 

 effects of the molecular forces of 

 liquids, 434. 



Metallic oxides, on the action of 

 marsh and olefiant gases on, 225. 



Meteorite of Albareto, on the, 327. 



Meteorites, on the microscopical 

 structure of, 157. 



Miller (Prof. W, A.) on the spectra 

 of some of the fixed stars, 1 52. 



Mills (E. J.) on a defect in the theory 

 of saturation, 364. 



Mineralogical notes, 145, 341, 403, 

 465, 502. 



Mitscherlich (Prof. A.) on the spec- 

 tra of compounds and of simple sub- 

 stances, 169. 



Molecular phenomena, researches on, 

 192, 276, 382, 425, 438. 



Monro (C. J.) on the nomenclature 

 of the physical sciences, 461. 



Miiller (M.) on the action of marsh 

 and olefiant gases on metallic ox- 

 ides, 225. 



Nickles (J.) on the spectral ray of 

 thallium, 168. 



Norton (Prof. W. A.) on molecular 

 physics, 192, 276, 382, 425. 



Ozone, observations on the nature of, 

 106. 



Packe (C.) on the discrepance between 

 the English and French barometer- 

 scales, 8. 



Pelouze (M.) on gun-cotton, with 

 reference to Lenk's method of pre- 

 paring and employing this sub- 

 stance, 535. 



Phosphates, on some crystallized, 232. 



Phosphorus, on a new sulphide of, 

 235. 



Photography, on celestial, 252. 



Physical sciences, on the nomencla- 

 ture of the, 461. 



Physics, on molecular, 192, 276, 382. 



Pisani (M.) on the analysis of Lan- 

 gite, 403. 



Plateau (Prof.) on the conditions of 

 stability of thin films of liquids, 

 206. 



Pliicker (Prof. J.) on the spectra of 

 ignited gases and vapours, 64. 



