INDEX. 



485 



Brongersma (H.) on double refrac- 

 tion produced by electrical influ- 

 ence in glass and bisulphide of 

 carbon, 127. 



Brown (F. D.) on thermometry, 57. 



Carbon, on double refraction pro- 

 duced by electrical influence in 

 bisulphide of, 127 ; on the appear- 

 ances of the electric arc in the va- 

 pour of the bisulphide of, 324. 



compounds, on the correlation 



of the chemistry of the, with the 

 phenomena of life, 346. 



Carbonic acid, on the viscosity of 

 liquid, 55 ; on the surface-tension 

 of some liquids in contact with, 327. 



Charpentier (A.) on the duration of 

 the perception of light in direct 

 and indirect vision, 230. 



Chase (Dr. P. E.) on the conserva- 

 tion of solar energy, 322. 



Chemical affinity, on the determina- 

 tion of, in terms of electromotive 

 force, 188. 



Chemistry of the carbon compounds, 

 on the correlation of the, with the 

 phenomena of life, 346. 



Clausius (Prof. P.) on the dimensions 

 of a unit of magnetism in the elec- 

 trostatic system of measures, 124. 



Comets, on the tails of, 292. 



Cook (E. H.) on carbon dioxide as a 

 constituent of the atmosphere, 387. 



Copper pyrites, on twins of, 276. 



Crafts (J.-M.) on the depression of 

 the zero-point in mercurial ther- 

 mometers, 76. 



Cross (C. F.) on the correlation of 

 the chemistry of the carbon com- 

 pounds with the phenomena of life, 

 346. 



Crystallographic notes, 119, 276. 



Cunningham (Major A.) on Mose- 

 ley's theory of steady flow, 110. 



Curvature, on the measurement of, 

 30. 



Darwin (Gr. H.) on variations in the 

 vertical due to elasticity of the 

 earth's surface, 409. 



Debray (H.) on some explosive alloys 

 of zinc and the platinum metals, 

 152. 



Deville (H. Sainte-Claire) on some 

 explosive alloys of zinc and the 

 platinum metals, 152. 



Dunstan (W. P.) on science and me- 

 taphysic, 75.- 



Earth, on the physics of the crust of 

 the, 213 ; on variations in the ver- 

 tical due to elasticity of the surface 

 of the, 409. 



Earth-moon system, on Darwin's 

 theory of the, 427. 



Edison's tasimeter, on the influence 

 of time on the change in the re- 

 sistance of the carbon disk of, 115. 



Electric and magnetic quantities, on 

 systems of absolute measures for, 

 430. 



arc, on the reaction-current of 



the, 154j on the appearances of 

 the, in the vapour of bisulphide of 

 carbon, 324. 



discharge in rarefied gases, on 



the, 366. 



resistance of glass at low tem- 

 peratures, on the, 325. 



spark, on vision by the light of 



the, 313. 



Electrical influence, on double refrac- 

 tion produced by, 127. 



rays, on the reflection of, 449. 



Electricity of flame, on the, 161 ; on 

 the equilibrium of liquid conduct- 

 ing masses charged with, 184 ; 

 notes on practical, 241. 



Electromotive force, on the determi- 

 nation of chemical affinity in terms 

 of, 188. _ 



Electrostatic system of units, on the 

 dimensions of a magnetic pole in 

 the, 124, 225, 357, 395. 



Elster (J.) on the electricity of flame, 



Energy, on the average distribution 

 of, in a system of material points, 

 299. 



Faure accumulator, experiments on 

 the, 41. 



Faye (M.) on Dr. Siemens's new 

 theory of the sun, 400. 



Fisher (Rev. O.) on the effect upon 

 the ocean-tides of a liquid sub- 

 stratum beneath the earth's crust, 

 213. 



Flame, on the electricity of, 161. 



Fletcher (L.), crystallographic notes 

 by, 276. 



Fluids, on the connexion between 

 viscosity and density in, 51. 



