I^DEX. 



575 



Klercker (M. de) on the abnormal 

 spectrum of light, 571. 



Kohlrausch (Prof. W.) on the sensi- 

 bility of the organ of hearing, 257. 

 Laniansky (M.) on Stokes's law, 



179. 

 Leidy (Prof.) on the explosion of a 

 diamond, 572. 



Light, on the electric, 81, 335 ; on 

 the distribution of the intensity of, 

 in the spectrum, 75; on a new 

 standard of, 392 ; on the abnormal 

 spectrum of, 571. 



Lippmann (Prof. G.) on the action 

 of magnetism in motion on static 

 electricity, 256. 



Liquids, electro-optic observations on 

 various, 85, 229 ; on the transpira- 

 tion of, 461. 



Lodge (Dr. 0. J.) on unilateral con- 

 ductivity in tourmaline crystals, 

 18; on a systematic classification 

 of the various forms of energy, 

 277 ; on the determination of the 

 variation of the thermal conducti- 

 vity of metals with temperature, 

 610 ; on the specific electrical re- 

 sistance of certain copper-tin allovs, 

 554. 



Macdonald-Cameron (J.) on the oc- 

 currence of a new mineral in the 

 rocks of Inverness-shire, 565. 



Mace - (J.) on daltonism, 502. 



Magnetic figures on a new variety of, 

 134. 



Magnetism, on the deviations of 

 Ampere's theory of, from the 

 theory of the electromagnetic 

 forces, 83 ; of the earth, on the 

 new theory of the, 102; on the 

 action of, in motion on static elec- 

 tricity, 256. 



Magneto-electric induction, on, 449. 



Magnets, on the action of, on mobile 

 conductors cf currents, 505. 



Marr (J. E.) on the Cambrian and 

 Silurian beds of the Dee vallev, 

 569. 



Measures of capacity, on the con- 

 struction and use of a scale for 

 guaging cylindrical, 246. 



Metals, on the specific heats and 

 melting-points of divers refracting, 

 501 ; on the determination of the 

 variation of the thermal conducti- 

 vity of, with temperature, 510. 



Mineral, on a new, 565. 



Molecules, on the size of, 74. 



Muir (M. M. P.) on chemical affinity, 

 181. 



Niaudet (A.) on a chloride-of-lime 

 pile, 570. 



Nicati (W.) on daltonism, 502. 



Nichols (Dr. E. L.) on the colour of 

 the sky, 425. 



Nitrobenzol, electro-optic action of, 

 98. 



Optics, investigations in, 261, 403, 

 477. 



Ostwald (W.) on chemical affinity, 

 182. 



Perry (Prof. J.) on a neglected prin- 

 ciple that may be employed in 

 earthquake measurements, 30 ; on 

 structures in an earthquake coun- 

 try, 209. 



Pfaundler (L.) on the determination 

 of vapour-densities of substances 

 that attack mercury, 424. 



Pile, on a, with chloride of lime, 570. 



Polariscopes, on measuring, 275. 



Preston (S. J.) on the possibility of 

 accounting for the continuance of 

 recurring changes in the universe, 

 152. 



Pseudophone, on the, 385. 



Puluj (Dr. J.) on the radiometer, 

 259. 



Radiometer, on the, 259. 



Rayleigh (Lord) investigations in 

 optics by, 261, 403, 477. 



.Roberts (W. C.) on the examination 

 of certain alloys by the aid of the 

 induction-balance, 57 ; on an ana- 

 logy between the conductivity for 

 heat and the induction-baiance 

 effect of copper-tin alloys, 551. 

 Rosetti (Prof. F.) on the tempera- 

 ture of the sun, 324, 438, 537. 

 Rowland (Prof. H. A.) on Professors 

 Ayrton and Perry's new theory of 

 the earth's magnetism, and on a 

 new theory of the aurora, 102. 

 Schwackhofer (Fr.) on a new hydro- 

 meter, 503. 

 Schwendler (L.) on electric-light 

 experiments, 335 ; on a new stan- 

 dard of light, 392 ; on a method 

 of using a small fraction of the main 

 current produced by a dynamo-elec- 

 tric machine for telegraphic pur- 

 poses, 558. 



