INDEX. 



575 



ight, on the action of, on selenium, 

 155, 322 ; on the recomposition of 

 the component colours of white, 

 170. 



iquid, on the distribution of energy 

 in a mass of, in a state of steady- 

 motion, 108. 



ockyer (J. N.) on the absorption- 

 spectra of metals volatilized by the 

 oxyhydrogen flame, 234. 

 odge (O. J.) on some problems con- 

 nected with the flow of electricity 

 in a plane, 373. 



oudon (Prof. J.) on the recompo- 

 sition of the component colours of 

 white light, 170. 



Vlagnetism, on the distribution of, in 

 circular or elliptic plates of steel, 

 85 ; of steel bars, on the, 188, 

 293. 



Magnetization, on the action of heat 

 in, 253, 411. 



Magnets, on certain remarkable points 

 in, 333. 



Mallet (R.) on the theory of volcanic 

 energy, 19. 



Marvin (T. H.) on the production of 

 spectra by the oxyhydrogen flame, 

 67. 



Matter, on the physical properties of, 

 in the liquid and gaseous states, 

 78. 



Mayer (Prof. A. M.) on the history 

 of Young's discovery of his theory 

 of colours, 111. 



Mendelejeff (D.) on the temperature 

 of the upper strata of the atmo- 

 sphere, 86 ; on the discovery of 

 gallium, 542. 



Metallic reductions produced in capil- 

 lary spaces, 335. 



Metals, on the absorption-spectra of, 

 234. 



Meteorites, on the formation of, 497. 



Mills (Prof. E. J.) on the first prin- 

 ciples of chemistry, 1. 



Mineralogy of Nova Scotia, contri- 

 butions to the, 128. 



Mouton (M.) on the phenomena of 

 induction, 255. 



Miiller (H. W.) on the cause of stra- 

 tification in electrical discharges 

 m vacuo, 239. 



Nebular hypothesis, on the, 315, 

 507. ?*■■ 



Neesen (Dr. F.) on the attraction 



and repulsion exerted by the lumi- 

 nous and the calorific rays, 250. 



Newton (E. T.) on the microscopic 

 characters of some peculiar forms 

 of coke, 16. 



Nichols (R. C.) on the proof of the 

 second law of thermodynamics, 

 369. 



Nitrogen, on the spectra of, 331. 



Odling (Prof. W.) on the formulation 

 of the paraffins and their deriva- 

 tives, 205. 



Paraffins, on the formulation of the, 

 and their derivatives, 205. 



Peirce (B. O., jun.) on the induction- 

 spark produced in breaking a gal- 

 vanic circuit between the poles of 

 a magnet, 461. 



Penning (W. H.) on the physical 

 geology of East Anglia during the 

 glacial period, 164. 



Phosphates, on the occurrence of, in 

 the Cambrian rocks, 415. 



Physics, points in a programme of 

 455. 



Pictet (R.) on the application of the 

 mechanical theory of heat to the 

 study of volatile liquids, 477. 



Plante (G.) on the polar auroras, 

 493. 



Poggendorff (Prof.) on Crookes's 

 radiometer, 252. 



Potassium, on the spectrum of, 333. 



Radiometer, on Crookes's, 177, 245, 

 250, 305, 395. 



Ramsay (Prof. A. C.) on the phy- 

 sical history of the Dee, Wales, 

 561. 



Ramsay (W.) on the influence of 

 various substances in accelerating 

 the precipitation of clay suspended 

 in water, 328. 



Rayleigh (Lord) on waves, 257. 



Reynolds (Prof. O.) on rolling fric- 

 tion, 75 ) on the refraction of sound 

 by the atmosphere, 324. 



Roberts (W. C.) on the absorption- 

 spectra of metals volatilized by the 

 oxyhydrogen flame, 234. 



Rolling-friction, on, 75. 



Rowney (Prof. T. H.) on the serpen- 

 tinite of the Lizard, 280. 



Royal Society, proceedings of the, 71, 

 153, 234, 322. 



Sabine (R.) on a method of measuring 

 small intervals of time, 337. 



