908 



1NDE X, 



Smyth (L. B.) an the , supply of 



raditim emanation from the soil 



to the atmosphere, 632. 

 Soddy (F.) oh secondary y rays 



excited by the (3 rays of radium, 



892. 

 Soil, i on the : supply of radium 



emanation from £he, to the 



atmosphere, 632. 

 Solubility and supersolubility from 



the osmotic standpoint, on, 



254. ■ ' 



Solutions, on the elasticity of liquid 



films and the. foaming of, 629. 

 Sound, on the emission of, by a 



source on the axis of a cylindrical 



tube, 655. 

 Spark conduction, on the mechanism 



of, 715. 

 Spectra, on the resonance, of iodine 



by multiplex excitation, 673 ; on 



the influence of density on the 



position' of the emission and 



absorption lines in the, of gases, 



268. 

 Steel bar, on Poisson's ratio for a, 



886. 

 Surface tension, on the effect of the 



transition layer of a liquid on its, 



876. 

 Swann (Dr. W. F. G.) on the earth's 



magnetic field, 80 ; on the motion 



of the needle of a quadrant electro- 

 meter, 445. 

 Taylor (Miss M.) on the emission of 



sound by a source on the axis of 



a cylindrical tube, 655. 

 Taylor (T. S.) on the ionization curve 



for the alpha rays from polonium 



in mercury vapour, 296. 

 Tellurium, on the resistance of, in 



magnetic fields, 813. 

 Thermal conductivity of some rocks 



at high temperatures, on the, 



45. 

 Thermodynamical relations, on the 



deduction of, 693. 



Thermoelectric and thermionic 

 effects, on the electron theory of, 

 737. 



Thermometry, on bridge methods 

 for resistance, measurements in, 

 541. 



Thomson (Sir J. J.) on positive rays, 

 209; on multiply-charged atoms, 

 668. 



Thorium emanation, comparison of 

 the coefficients of diffusion of 

 actinium and, 637, 



products, on the ranges of the 



a particles from, 647. 



Tyndall (A.. M.) on the spread of 

 the discharge from an electrified 

 point, 424. 



Ultra-violet light, on contact dif- 

 ference of potential and the action 

 of, 302. 



Vapour-densities, on the curve of 

 liquid and", 415. 



Waves-, on the bending of electric, 

 round, a large sphere, 755. 



Wicksell (S. D.) on the gas-equation, 

 869. ; 



Williams (I.) on a determination of 

 Poisson's ratio, 886. 



Willows (Dr. E. S.) on the photo- 

 electric effect of some compounds, 

 891. 



Wills (L. J.) on late glacial and post- 

 glacial changes in the lower Dee 

 valley, 897. 



Wilson (Prof. H. A.) on the diffusion 

 of alkali salt vapours in flames, 

 118, 902; on the discharge of 

 electricity by hot bodies, 196. 



Wood (Prof. 11: W.) on the electron 

 atmospheres of metals, 316; on 

 resonance spectra of iodine by 

 multiplex excitation, 673. 



"X-rays, on the asymmetry in the 



. distribution of secondary cathode 

 rays produced by, 37. 



Zinc, on the resistance of, in mag- 

 netic fields, 813. 



END OF THE TWENTY-FOURTH VOLUME. 



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