INDEX. 



957 



Lewis (Dr. W. C. M C C.) on the 

 internal pressure of a liquid, 193 ; 

 on the latent heat of vaporization 

 of liquids, 268. 



Light, on the reflexion of, at certain 

 metal-liquid surfaces, 229 ; on 

 some consequences of Fresnel's 

 theory of the reflexion of, 305; 

 on the intensity of the ultra-violet, 

 emitted by an electrical discharge 

 at low pressures, 412 ; on the dif- 

 ference in the photoelectric effect 

 caused bv incident and emergent, 

 854. 



Lines of force due to given static 

 charges, on, 177. 



Liquid, on the internal pressure of a, 

 193; on the reflexion of light at 

 metal-, surfaces, 229. 



Liquid and gaseous states of 

 matter, on the continuity of the, 

 221. 



Liquids, on the latent heat of vapori- 

 zation of, 268 ; on molecular at- 

 traction and the properties of, 

 566 ; on limitations imposed by 

 slip and inertia terms upon Stokes's 

 law for the motion of spheres 

 through, 755. 



Livens (G. H.) on the initial accele- 

 rated motion of a rigidly charged 

 dielectric sphere, 169 ; on further 

 problems in the motion of charged 

 spheres, 943. 



Lodge (Sir Oliver) on the mode of 

 conduction in gases illustrated by 

 the behaviour of electric vacuum 

 valves, 1, 656. 



Lotka (A. J.) on the ratios which 

 the amounts of substances in radio- 

 active equilibrium bear to one 

 another, 353. 



Lusby (S. G.) on the mobility of 

 the positive ion in flames, 775. 



Macallum (E. N.) on the intensity 

 of the earth's penetrating radiation 

 at different altitudes and a secon- 

 dary radiation excited bv it, 

 639. 



McLaren (S. B.) on the emission 

 and absorption of energy by elec- 

 trons, 66. 



McLennan (Prof. J. C.) on the in- 

 tensity of the earth's penetrating 

 radiation at different altitudes and 

 a secondary radiation excited by 

 it, 639. 



Phil. Mag. S. 6. Vol. 22. No. 13 



Magnetic fields produced by charged 

 condensers moving through space, 

 on the, 150 ; on the effect of, on 

 metallic resistance, 900. 



Mallik (Prof. D. N.) on lines of force 

 due to given static charges, 177. 



Manlove (L. R.) on a proposed 

 method for the better practical 

 application of Fourier's theorem 

 concerning the roots of an alge- 

 braical equation, 173, 668. 



Mechanics, on non- Newtonian, 

 458. 



Mercury, on electrical experiments 

 with, contained in tabes, 506. 



Metal-liquid surfaces, on the re- 

 flexion of light at, 229. 



Metallic conduction, on the number 

 of ions concerned in, 245. 



■ resistance, on the effect of 



magnetic fields on, 900. 



Metals, on the optical properties of 

 fused, 266; on the emission of 

 electrons by, under the influence 

 of alpha rays, 907. 



Mills (Dr. J. E.) on the relation of 

 temperature and molecular attrac- 

 tion, 84. 



Minerals, on a method of investi- 

 gating the quantitv of radium in, 

 134. 



Molecular attraction, on the relation 

 of temperature and, 84 ; on the 

 laws of, 355 ; on, and the pro- 

 perties of liquids, 566. 



Moseley (H. G. J.) on radioactive 

 products of short life, 629. 



Neon, on the diffusion of, through 

 hot quartz, 704. 



Neumann functions, tables of, 658. 



Nicholson (Dr. J. W.) on the num- 

 ber of electrons concerned in me- 

 tallic conduction, 245 ; on the 

 optical properties of fused metals, 

 266 ; on a structural theory of the 

 chemical elements, 864. 



Nishikawa (S.) on the amount of 

 the radioactive products present 

 in the atmosphere, 821. 



Non-Newtonian mechanics, on, 458. 



Nuclei, on the production of, in air 

 by intense cooling, 5.63. 



Nuttall (J. M.) on the ranges of the 

 a particles fro.u various radio- 

 active substances and a relation 

 between range and period of trans- 

 formation, 613. 



Dec. 1911. 3 S 



