INDEX. 



543 



aluminium plate as one electrode, 

 213. 

 Letts (Prof. E. A.) on the prepara- 

 tion of tin tetrethyl, 41 ; on the 

 salts of tetrethyl phosphoniuni, 

 and their decomposition by heat, 

 81. 

 Lippmanu (M.) on an absolute sphe- 

 rical electrometer, 79. 

 Liquids, on Peltier's phenomenon in, 

 231 : on the compressibility of, 

 384/ 

 Lodge (A.) on a new representation 

 of moments and products of inertia 

 in a plane section, and on the rela- 

 tions between stresses and strains 

 in two dimensions, 453. 

 Love (E. F. J.) on magnetization, 46. 

 Luvini (J.) on the electrical conduc- 

 tivity of gases and vapours, 387. 

 Magnetic field, on the determination 

 of the vertical intensity of a, 311. 



researches, 50. 



rotation of mixtures of water 



with some of the acids of the fatty 

 series, 467. 

 Magnetism, notes on, 175, 469. 

 Magnetization, on, 46. 

 Magnets, on the specific-induction 

 constants of, in magnetic fields of 

 different strength, 386 ; on per- 

 manent, 500. 

 Manometric flames, on the measure- 

 ment of pitch by, 309. 

 Matrices, on the extension of a theo- 

 rem relating to, 173. 

 Maurer (M.) on the constant of the 



Sun's heat, 312. 

 Mendenhall (J. C.) on the electrical 

 resistance of soft carbon under 

 pressure, 358. 

 Mercury, on the expansion of,between 



0°C. and -39° C, 325. 

 Monckton (H. W.) on the Bagshot 



beds of the London basin, 78. 

 Naccari (E.) on Peltier's phenome- 

 non in liquids, 231. 

 Nickel wires, on the torsion of, 251. 

 Nicol (W. W. J.) on the vapour- 

 pressures of water from salt-solu- 

 tions, 502. 

 Ostwald (Prof. W.) on the seat of 

 the electromotive forces in the 

 voltaic cell, 70; electrochemical re- 

 searches by, 104. 

 Peltier's phenomenon in liquids, on, 

 231. 



Perkin (Dr. W. H.), on the magnetic 

 rotation of mixtures of water with 

 some of the acids of the fatty 

 series, 467. 

 Perry (Prof. J.) on the expansion of 

 mercury between 0° C. and —39° 

 C, 325 ; on the expansion pro- 

 duced by amalgamation, 327. 



Pitch, on the measurement of, by 

 manometric flames, 309. 



Pressures, on the measurement of very 

 high, 384. 



Probabilities, problems in, 371. 



Ramsay (Dr. W.) on some thermo- 

 dynamical relations, 32. 



Rayleigh (Lord) on magnetism and 

 electricity, 175, 469. 



Rheostat, on a modification of 

 Wheatstone's, 29. 



Rutley (F.) on eruptive rocks from 

 St. Minver, Cornwall, 78. 



Sack (H.) on the specific-induction 

 constants of magnets, 386. 



Salt-solutions, on the vapour-pres- 

 sures of water from, 502. 



Shida (Prof. R.) on a new instru- 

 ment for recording the strength 

 and direction of a varying electric 

 current, 96. 



Silver, on the electrolysis of, 389. 



Sine-galvanometer, on a new, 368. 



Smith (F. J.) on a form of spherical 

 integrator, 147. 



Solution, on the theory of, 514. 



Spectral lines of solar and terrestrial 

 origin, on the distinction between, 

 458. 



Stenger (F.) on a simple demonstra- 

 tion of the electrical residue, 80. 



Stracciati (E.) on the critical tem- 

 peratures of bodies and their ther- 

 mal expansions, 533. 



Strahan (A.) on the glaciation of 

 South Lancashire, &c, 75. 



Stresses and strains in two dimen- 

 sions, on the relations between, 

 453. 



Sun, on the constant of the heat of 

 the, 312. 



Sutherland (W.) on the law of at- 

 traction amongst the molecules of 

 a gas, 81. 



Tetrethylphosphonium, on the salts 

 of, and their decomposition by 

 heat, 183. 



Thermodynarnical relations, on some, 

 32. 



