INDEX. 



765 





influence of the velocity of the 

 a particle upon the stopping power 

 of the substance through which 

 it passes, 507. 



Bucherer (Dr. A. H.) on a new 

 principle of relativity ine lectro- 

 rnagnetism, 413 ; on the action of 

 uniform electric and magnetic 

 fields on moving electrons, 721. 



Burton (Dr. C. V.) on aether and 

 electrons, 693. 



Campbell (N. R.) on the diurnal 

 periodicity of the spontaneous 

 ionization of air and other gases, 

 26o ; on the effect of change of 

 temperature on spontaneous ioni- 

 zation, 614. 



Canal rays, on the spectrum of, 

 657. 



Carbon cell, on the, 181. 



Chemical effects of the electrical dis- 

 charge in rarefied hydrogen and 

 oxygen, 289. 



Chree (Dr. C.) on auroral and sun- 

 spot frequencies, 149. 



Commutator, on a phonic wheel and, 

 331. 



Condensers, on the rate of recovery 

 of residual charge in, 578. 



Convective equilibrium of a spherical 

 mass of gas, on, 459. 



Copper, on the fatigue of, subjected 

 to Rontgen radiation, 708. 



Currents, on the magnetic field and 

 inductive coefficients of circular, 

 cylindrical, and helical, 420. 



Dafton (J. P.) on the saturation 

 constants according to van der 

 Waals's equation, 517 ; on the 

 variation of specific heats with 

 temperature and density, 525 ; on 

 the specific heat of saturated 

 vapours, 536. 



Da vies (A. M.) on the Kimeridge 

 clay of Brill, 647. 



Deep-sea waves, on the initiation 

 of, 1. 



Dielectrics, on spark potentials in 

 liquid, 277. 



Direction, on our perception of 

 sound, 214. 



Doppler's factor, on the introduction 

 of, into the solution of the equa- 

 tions of the electron theory, 279. 



Douglas (J. A.) on changes of 

 physical constants in minerals and 

 igneous rocks, 761. 



ferro magnetic 



Earth, on the radioastive matter 



the, 378. 

 Elastic constants of 



substances, on the change of, by 



magnetization, 36. 

 Electric condenssrs, on the rate of 



recovery of residual charge iu, 



578. 

 ■ conductivity of metals, on the 



influence of stress on the, 635 ; 



produced by heating salts, on the, 



728. ^ 

 discharge in rarefied hydrogen 



and oxvgen, on chemical effects of 



the, 289. 

 fields, on the action of uniform, 



on moving electrons, 721. 

 resistance of bismuth, on the 



influence of tension on the, 641. 

 Electricity, on rays of positive, 561. 

 Electrified needle, on the field at 



the point of an, 542. 

 1 systems, on the impulsive 



motion of, 118. 

 Electromagnetic disturbance, on the, 



produced by the impulsive motion 



of electrified systems, 118. 

 relations, on a general solution 



of the, 259. 

 Electro magnetism, on a new principle 



of relativity in, 413. 

 Electron theory of matter, on the, 



189 ; on the introduction of 



Doppler's factor into the solution 



of the equations of the, 279 ; on 



the application of the, to the theory 



of phosphorescence, 622. 

 Electrons, on the radiation from 



moving systems of, 657 ; notes on 



aether and, 693 ; on the action of 



uniform electric and magnetic 



fields on moving, 721. 

 Electroscopes, on experiments with 



vacuum gold-leaf, 747. 

 Ellipsoidal shells and solid ellipsoids, 



on the attraction of, 385. 

 Evans (0. H.) on the raised beaches 



of Taltal, 649. 

 Eve (A. S.) on the ionization of the 



atmosphere over the ocean, 248. 

 Expectation, on the influence of past 



experience on future, 365. 

 Fatigue of metals subjected to 



Rontgen radiation, on the, 708. 

 Fearnsid.es (W. G.) on the lower 



ordovician succession in Scandi- 

 navia. 654. 



