462 



INDEX. 



Electric currents, on a new action of 

 the magnet on, 325, 432. 



light, on the, 120. 



Electrical influence, on a general 

 theorem advanced by Prof. Clau- 

 sius in reference to, 458. 



Electricity, on the velocity of, in the 

 electric current, 307. 



Electrolysis of water, on an apparatus 

 for showing, 439. 



Electromotive forces which appear in 

 free jets of water, on the, 312. 



Electro-optics, measurements and 

 law in, 157. 



Elster (Dr. J.) on the electromotive 

 forces which appear in free jets of 

 water, 312. 



Explosives, on the decomposition of 

 some, in a closed vessel, 455. 



Eievez (Ch.) on the relative inten- 

 sity of the spectral lines of hydro- 

 gen and nitrogen in regard to the 

 constitution of nebulae, 309. 



Flames, on the thermal absorbent 

 and emissive powers of, 154. 



Fleming (Dr. J. A.) on a new form 

 of resistance-balance, 109. 



Fletcher (L.) on the dilatation of 

 crystals on change of temperature, 

 81 ; crystallographic notes by, 180. 



Flight (Dr. W.) on two new amal- 



gams, 



146. 



Fluids, on some effects of vibratory 

 motion in, 435. 



Forel (F.-A.) on the temperature of 

 frozen lakes, 305. 



Friction, on the influence of, upon 

 the generation of a voltaic current, 

 374. 



Gaiffe (A.) on Thomson's galvano- 

 meter, 156. 



Gaseous mixtures, on the compres- 

 sion of, 235. 



Gases, on the relative intensity of 

 the spectral lines of, 329. 



Gas-friction, on, 307. 



Geological Societv, proceedings of 

 the, 72, 150, 231, 380. 



Glaciers, on the motion of, 274. 



Gold, examination of a specimen of 

 native, 147 ; on some crystalline 

 forms of, 185. 



Grant (W.) on induction in telepho- 

 nic circuits, 352. 



Gravity, on the determination of the 

 acceleration 

 292, 446. 



of, for Tokio, Japan, 



Gross (Dr. T.) on some experiments 

 on sulphur, 79. 



Guthrie (F.) on certain vibrations of 

 solids, 15. 



Hall (E. H.) on a new action of the 

 magnet on electric currents, 225. 



Heat, on the specific, of bodies, 386 ; 

 on an apparatus for showing the 

 absorption of, on liquefaction of 

 solids, 440 j on an experiment 

 showing the expansion of glass by, 

 440. 



Herschel (J.) on the determination 

 of the acceleration of gravity for 

 Tokio, 446. 



Hodges (N. D. O.) on the mean free 

 path of the molecules, 177. 



Hydrogen, on the relative intensity 

 of the spectral lines of, in regard 

 to the constitution of nebulae, 309. 



Induction in telephonic circuits, on, 

 352. 



balance, on the theory of the, 



123, 232. 



currents, on the theory of, 



452. 



Intermittent currents, on, 123, 232. 



Iron, on the passivity of, 76. 



Johnston ( W. P.) on a simple method 

 of identifying a submerged tele- 

 graph-cable without cutting it, 

 440. 



Judd (Prof. J. W.) on the Oligocene 

 strata of the Hampshire basin, 231. 



Kerr (Dr. J.) on measurements and 

 law in electro-optics, 157. 



Klocke (Fr.) on the motion of gla- 

 ciers, 274. 



Koch (P. H.) on the motion of gla- 

 ciers, 274. 



Lakes, on the temperature of frozen, 

 305. 



Lenses, on the aberration of, 40. 



Legebeke (G. J.) on a general theo- 

 rem advanced by Prof. Clausius in 

 reference to electrical influence,458. 



Light, on a new standard of, 76 j on 

 Maxwell's theory of, 284. 



Lindemann (F.) on the forms of the 

 vibrations of twitched and stroked 

 strings, 197. 



Liquids, on the diffusion of, 313, 

 413 ; on the attraction due to the 

 flow of, from an expanded orifice, 

 438; on an experiment showing 

 cohesion in, 439. 



Lodge (Dr. O. J.) on intermittent 



