INDEX. 



729 



Kelvin (Lord) on electro-ethereal 

 theory of the velocity of light, 437. 



Kimball (Prof. A. L.) on the appli- 

 cation of Cornu's spiral to the 

 diffraction-grating, 80. 



Kinetic theoiy of gases, on the, 529, 

 720. 



Kuenen (Prof. J. P.) on the mutual 

 solubility of liquids, 637. 



Lamplugh*(G. W.) on a fossiliferous 

 band near Leighton Buzzard, 543. 



Laplace's equation, on a new mode 

 of expressing solutions of, in terms 

 of operators involving Bessel func- 

 tions, 193. 



Lenses, on single-piece, 521. 



Light, on the absorption of, by 

 mercury and its vapour, 76 ; on 

 electro - ethereal theory of the 

 velocitv of, in gases, liquids, and 

 solids, 437. 



Light-waves, on the electrical reso- 

 nance of metal particles for, 259. 



Liquids, on the mutual solubility of, 

 637. 



Lyle (Prof. T. R.) on a wave-tracer 

 and analyser, 549. 



McClung (R. K.) on the rate of re- 

 combination of ions in air, 655. 



Mcintosh (D.) on a new form of 

 platinum resistance thermometer, 

 350. 



Maclaurin (Prof. R. C.) on the in- 

 fluence of stiffness on the form of 

 a suspended wire or tape, 166. 



McLennan (J. C.) on the radioacti- 

 vity of metals, 343. 



Magnetic change of resistance in iron, 

 nickel, and nickel-steel, on tbe in- 

 fluence of stress and of tempera- 

 ture on the, 693. 



effect of electric convection, on 



the, 442. 



field, on the influence of, on 



thermal conductivity, 725. 



properties of systems of cor- 

 puscles describing circular orbits, 

 on the, 673. 



Magnetization, on change of length 

 of ferromagnetic substances by, 

 392. 



Mathematics of bees' cells, on the, 

 228. 



Mercury, on the absoi*ption of light 

 by, 76 ; on a radioactive gas from 

 metallic, 113. 



Metal particles, on the electrical 

 resonance of, for light-waves, 259. 



Metals, on the spectra of, at high 

 temperatures, 58 ; on the radio- 

 activity of, 343. 



Metamorphism in Loch Lomond 

 district, on, 724. 



Methyl alcohol, on the vapour- 

 density of, 492. 



Miller (Dr. N.H.J.) on the amounts 

 of nitrogen and organic carbon in 

 some clays and marls, 544. 



Milne seismooframs, on the interpre- 

 tation of, 401. 



Milner (Dr. S. R.) on a new form 

 of vacuum stopcock, 78 ; on an 

 automatic mercury vacuum-pump 

 316. 



Minimum deviation through a prism, 

 pn, 529, 697. 



Mirrors, on the construction and 

 attachment of thin galvanometer, 

 188. 



Molecular weights of some carbon 

 compounds, on the, 492. 



Molecules, on the vibrations set up 

 in, by collisions, 279. 



Molyneux (A. J. C.) on the sedi- 

 mentary deposits of Southern 

 Rhodesia, 383. 



Moore (J. H.) on the fluorescence 

 and absorption spectra of sodium 

 vapour, 362. 



More (Prof. L.T.) on electrostriction, 

 1. 



Morrow (J.) on an instrument for 

 measuring the lateral contraction 

 of tie-bars, 417. 



Muirhead (R. F.) on the axial 

 dioptric system, 826. 



Xagaoka (Prof. H.) on the potential 

 and lines of force of a circular 

 current, 19. 



Nickel, on change of length in, by 

 magnetization, 397 ; on the influ- 

 ence of stress and of temperature 

 on the magnetic change of resist- 

 ance in, 693. 



Nitroso - dimethyl - aniline, on the 

 anomalous dispersion, absorption, 

 and surface-colour of, 96. 



Gates (J. H.) on the application of 

 alternating currents to the calibra- 

 tion of capacity-boxes, 707. 



Octane, on the vapour-density of, 



