INDEX. 



1029 



Keinble (E. 0.) on the probable 

 normal state of the helium atom, 

 123. 



Keys (Dr. D. A.) on a piezoelectric 

 method of measuring explosion 

 pressures, 473. 



King (W. B. R.) on the marls in 

 the middle chalk of the Somme 

 valley, 471. 



Konno (S.) on the coefficient of 

 normal viscosity of metals, 115. 



Lainplugh (G, TV.) on the junction 

 of Gault and Lower Greensand 

 near Leighton Buzzard, 1024. 



Larmor (Sir J.), escapements and 

 quanta, 502 ; on non - radiating 

 electrons, 595. 



Latent heat and surface energy, on 

 183. 



Laws (Dr. B. 0.) on the strength of 

 the reinforced thin-plate beam, 

 281. 



Lead, on the viscosity of, 115. 



Lenses, on the direct determination 

 of the powers of, 114; on an in- 

 terferometer for testing, 777. 



Light and electrons, on, 177 ; on 

 the dispersion of, by potassium 

 vapour, 289 ; on the effect of 

 gravitation on, 470 ; on the dif- 

 fraction of, by cylinders and 

 spheres, 669. 



Lithium, on the mass spectra of, 

 436 ; on the isotopes of, 861. 



Littlewood (T. H.) on the correction 

 of a marine barometer for swing- 

 ing, 166. 



Livens (G. H.) on the radiation of 

 energy by an accelerated electron, 

 807. 



Lodge (Sir 0.) on light and electrons, 

 177. 



Loops, on a method of measuring 

 the self-inductance of small, 220. 



Lorentz transformation, on the, 

 249. 



McAnlay (Prof. A.) on integration 

 theorems in four-dimensional vec- 

 tor analysis, 197. 



McAulay (A. L.) on the recoil of 

 hydrogen nuclei from swift, alpha 

 particles, 892. 

 Magnesium, on the viscosity of, 115 ; 

 on the enhanced spectrum of, in a 

 low voltage arc, 1002. 

 Magnetic double refraction of gold 

 colloids, on the, 352. 



Magnetic lines, on Faraday's, as 

 quanta, 523. 



state and photoelectric proper- 

 ties of iron, on the, 339. 



Margary (I. 1).) on a modification of 

 the periodic table, 287. 



Marine barometer, on the correction 

 of a, for swinging, 166. 



Mass action, on the law of, in strong 

 electrolytes, 776. 



spectra of the chemical ele- 

 ments, on the, 140 ; of the alkali 

 metals, on the, 436. 



Matter, on the relativity of field 

 and, 800. 



Meggers (Dr. TV. F.) on the excita- 

 tion of the enhanced spectrum of 

 magnesium in a low voltage arc, 

 1002. 



Mercury, on the L-spectrum of, 419. 



Metals, on the coefficient of vis- 

 cosity of, 115, 397; on the mass 

 spectra of the alkali, 436. 



Meteorites, on the composition of, 

 and nuclear stability, 312. 



Methane, on the viscosity and mole- 

 cular dimensions of, 615. 



Mica, on the electrical conductivity 

 of, 494. 



Milne (E. A.) on sound waves in 

 the atmosphere, 96. 



Mixed plates, on the colours of, 679. 



Mohler (Dr. F. L.) on the excitation 

 of the enhanced spectrum of mag- 

 nesium in a low voltage arc, 1002. 



Molecular dimensions of ammonia, 

 phosphine, and arsine, on the, 

 602 ; of methane, sulphuretted 

 hydrogen, and cyanogen, on the, 

 615. 



Molybdenum, on the soft X-ravs 

 from, 1018. 



More (Prof. L. T.) on the postulates 

 and conclusions of the theory of 

 relativity, 841. 



Morrell (J. II.) on electric oscilla- 

 tions in straight wires and so- 

 lenoids, 265. 



Morton (Prof. W, B.) on the forms 

 of the planetary orbits on the 

 theory of relativity, 511. 



Motion,* on the transformation of 

 the equation of. in the restricted 

 principle of relativity, 794. 



Miiller (A.) on an X-iay bulb with 

 mercury anticathode and on the 

 L-spect'rum of mercury, IIP. 



