INDEX. 



54: 



and air-cavities on the strength of 

 materials, 70. 



Laurie (A. P.) on the existence of a 

 compound of gold and tin, 94. 



Lebedew (P. ) on the repulsive force 

 of radiating bodies, 391. 



Lehfeldt (R. A.) on a galvanometric 

 method of measuring H, 78. 



Light emitted from incandescent zinc 

 oxide, on the, 19 ; on the selective 

 absorption of, by optical glass and 

 calc-spar, 379. 



Lilly (\V. E.) on a method for deter- 

 mining the specific inductive ca- 

 pacity of dielectrics, 529. 



Liquid surfaces, on reflexion from, in 

 the neighbourhood of the polari- 

 zing angle, 1. 



Liquids, on the concordance of ortho- 

 baric curves for solutions and ho- 

 mogeneous, 152 ; on the influence 

 of pressure on the viscosity of, 476 ; 

 on the difference of potential at the 

 contact of mutually reacting, 532. 



Love (A. E. H.) on the influence of 

 a spherical cavity on the strength 

 of materials, 76. 



Lucas (W.) on a detector for spark 

 in Hertz's resonator, 299. 



Ludeking (Dr. C.) on the action of 

 the electric discharge on gases and 

 vapours, 521. 



M c Aulay (A.) on quaternions as a 

 practical instrument of physical 

 research, 477. 



McCowan (J.) on the solitary wave, 

 236 ; on the theory of long waves, 

 250. 



Magnetic field, on a. permanent, 307. 



Magnetism, on the wave propagation 

 of, 374. 



Manganese, on the hypothetical tetra- 

 chloride of, 284. 



Markovsky (G\) on the electromotive 

 force of gas-batteries, 235. 



Mather (T.) on the construction of 

 non-inductive resistances, 186. 



Matter, on the constitution of, 191. 



Maxwell's investigation respecting 

 Boltzmann's theorem, 356. 



Melde (F.) on the velocity of sound 

 in membranous bodies, 236. 



Mendeleeff (Prof. D.) on the variation 

 in the density of water with the 

 temperature, 99. 



Monckton (Ii. W.) on the gravels on 

 the south of the Thames, 385 ; on 

 the Bagshot beds, 386 



Natanson (Dr. L.) on the concor- 

 dance of orthobaric curves of 

 solutions and homogeneous liquids, 

 152 ; on a dynamical illustration 

 of the isothermal formula, 301. 



Nichols (E. L.) on the light emitted 

 by incandescent zinc oxide, 19 ; 

 on the selective absorption of light 

 by optical glass and calc-spar, 379. 



Nichols (R. C.) on the resistances to 

 transverse strain in beams, 397. 



Nicholson (A. 0.) on high-level 

 glacial gravels near Oswestry, 385. 



Perry (Prof. J.) on struts and tie- 

 rods with lateral loads, 269; on 

 choking coils, 433. 



Pickering (S, U.) on the densities of 

 sulphuric-acid solutions, 132, 463 ; 

 on the hypothetical tetrachloride 

 of manganese, 284 ; on the recog- 

 nition of changes of curvature by 

 means of a flexible lath, 436. 



Platinum cells, on the electromotive 

 force of, 516. 



Poisson-Mossotti theory, on a conse- 

 quence of the, 233. 



Potential, on the difference of, at 

 the contact of mutually reacting 

 liquids, 532. 



Pressures, temperatures, and volumes, 

 on " corresponding, 1 ' 153. 



Pyrometer, experiments with a pla- 

 tinum, on the melting-points of 

 gold and silver, 220. 



Quaternions as a practical instru- 

 ment of physical research, on, 

 477. _ 



Radiating bodies, on the repulsive 

 force of, 391. 



Radiation of gas under the influence 

 of the electrical discharge, on the, 

 387. 



, on a method of determining 



electromagnetic, 396. 



Rayleigh (Lord) on reflexion from 

 liquid surfaces in the neighbour- 

 hood of the polarizing angle, 1 ; 

 on the theory of surface-forces, 

 209, 468; on Maxwell's investiga- 

 tion respecting Boltzmann's theo- 

 rem, 356 ; experiments on surface- 

 films, 363. 



Recurring formulae, on arithmetical, 

 54. 



Reflexion from liquid surfaces in the 

 neighbourhood of the polarizing 

 angle, on, 1. 



Refraction of sound, on the, 310. 



