822 



INDEX. 



emission spectrum of the mercury 

 arc, 683 ; on the absorption spectra 

 of mercury, cadmium, and zinc 

 vapours, 695. 



Magnetic fields, on the effect of, on 

 the emission lines of solids, 316. 



Magnetism, on the application of 

 van der Waals' equation of state 

 to, 711. 



Makower (Dr. W.) on the recoil of 

 radium D from radium 0, 811. 



Marsden (Prof. E.) on the passage 

 of alpha particles through hy- 

 drogen, 240. 



Mendenhall (0. E.) on the effect of 

 electric and magnetic fields on the 

 emission lines of solids, 316. 



Mercer (H. V.) on the ionization 

 tracks of alpha rays in hydrogen, 

 676. 



Mercury arc, on the infra-red emis- 

 sion spectrum of the, 683. 



vapour, on the absorption spec- 

 trum of, 695. 



Metallic conduction, on the number 

 of electrons concerned in, 105 ; 

 on the electron theory of, 112, 

 287 ; on, 295. 



Metals, on the conduction of elec- 

 tricity through, 192 ; on the elec- 

 tron theory of the optical properties 

 of, 434. 



Meyer (0. F.) on the fluorescence 

 produced bv ultra-Schumann rays, 

 449. 



Mirror, on reflexion from a moving, 

 282. 



Molecules, on the construction of 

 compound, with theoretical atoms, 

 613. 



Moran (J.), a comparison of radium 

 standard solutions, 660. 



Morton (Prof. W. B.) on the paths 

 of the particles in the motion of 

 frictionless fluid in a rotating 

 enclosure, 284. 



Murray (H. G.) on the residual 

 ionization of air enclosed in a 

 vessel of ice, 428. 



Nesturch (K. F.J on the probability 

 of ionization and radiation of gas 

 due to collision with electrons, 

 244. 



Nicholson (Prof. J. W.) on the cal- 

 culation of series in spectra, 563 ; 

 on mutual electromagnetic mass, 

 659. 



Nickel, on the arc and spark spectra 

 of, produced under pressure. 

 385. 



Nitrogen, on ionic mobilities in, 503. 



Optical instrument, on the third- 

 order aberrations of a symmetrical, 

 270. 



properties of metals, on the 



electron theory of the, 434. 



Organic chemistry, on the electron 

 theory in, 665. 



Paris (E. T.) on the polarization of 

 light scattered by spherical metal 

 particles, 459. 



Paterson (C. C.) on the estimation of 

 high temperatures by the method 

 of colour identity, 34 ; on the unit 

 of candle-power in white light, 

 63. 



Pealing (H.) on an anomalous varia- 

 tion of the rigidity of phosphor 

 bronze, 203. 



Physics, on the solution of cer- 

 tain problems of two-dimensional, 

 761. 



Phosphor bronze, on an anomalous 

 variation of the rigidity of, 203. 



Plates, on the resistance experienced 

 by small, exposed to a stream of 

 fluid, 179. 



Polarization of light scattered by 

 spherical metal particles, on the, 

 459. 



Positive rays, on a comparison of 

 the, with the spectrum of a mix- 

 ture of helium and hydrogen, 805. 



Quantum theory of radiation and 

 the structure of the atom, on the, 

 394. _ 



Radiation from an electric source, 

 on, 163, 784; on the quantum 

 theory of, 394. 



Radioactive substances, on the rela- 

 tion between the life of, and the 

 range of the rays emitted, 560. 



Radioactivity, on the variation of 

 the, of certain springs, 815. 



Radium, on the relation between 

 uranium and, 209 ; on a com- 

 parison of standard solutions of, 

 660. 



D, on the recoil of, from 



radium C, 811. 



Radley (E. G.) on the pitchstones of 



Hull, 447. 

 Raman (Prof. C. V.) on intermittent 



vision, 701. 



