INDEX. 



511 



Lechner (Dr. E.) on electrical reso- 

 nance, 128. 



Light, on the excitation of electricity 

 by, 127; on the cheapest form of, 

 260; on the disengagement of, in 

 electrical discharges, 283. 



Light-waves, on measurement by, 1. 



Liquid matter, on the isometrics of, 

 338. 



Liquids, on the expansion of, 400 ; on 

 the relation between the boiling- 

 points, molecular volumes, and 

 chemical characters of, 412, 423. 



Lodge (Dr. 0. J.) on diamagnetism 

 and Carnot's principle, 201 ; on 

 the electrostatic force between 

 conductors conveying steady or 

 transient currents, 230. 



Luminous vibrations, on stationary, 

 438. 



Maclean (M.) on the electrification 

 of air by water-jet, 148 ; on some 

 electrical properties of flames, 188. 



Magnet, on the diurnal variation of 

 the, at Kew, 140. 



Magnetic circuits, on, 335. 



Magnetism, on the molecular theory 

 of induced, 205. 



Magnetizations, on the interactions 

 of circular and longitudinal, 244. 



Magneto-optical generation of elec- 

 tricity, on the, 361, 494. 



Masson (Prof. O.) on the relation 

 between the boiling-points, mole- 

 cular volumes, and chemical cha- 

 racters of liquids, 412. 



Mather (J.) on galvanometers, 58. 



Maxwell's law of distribution, on, 

 298. 



Mercury electrodes, on dropping-, 

 170, 506. 



Metals, on a method of detecting 

 chemical union of, 202 ; on refrac- 

 tion and dispersion in certain, 365. 



Michelson (A. A.) on the applica- 

 tion of interference methods to 

 astronomical measurements, 1. 



Molecular volumes, boiling-points, 

 and chemical characters of liquids, 

 on the relation between the, 412, 

 423. 



Newton's rings, on the shape of, 439. 



Nitrogen, on the spectrum of, 56. 



Obsidian, on composite spherulites 

 in, 123. 



Ocular defects, on the measurement 

 of astigmatism and other, 427. 



Oils, on the action of, on the motions 

 of camphor on the surface of water, 

 508. 



Ostwald (W.) on dropping-mercury 

 electrodes, 506. 



Parker (J.), on diamagnetism tested 

 by Carnot's principle, 124. 



Perry (Prof. J.) on a formula for 

 calculating the self-induction of a 

 coil, 223. 



Photographs of rapidlv moving ob- 

 jects, on, 248, 506. 



Pickering (S. U.) on the expansion 

 of water and other liquids, 400. 



Pidgeon ( D.) on the " raised- 

 beaches " of Hope's Nose and the 

 Thatcher Rock, Devon, 194. 



Postlethwaite (J.) on the Borrow- 

 dale plumbago, 280. 



Prestwich (Prof. J.) on a southern 

 drift in the valley of the Thames, 

 with observations on the final 

 elevation and initial subaerial 

 denud ation of the Weald, 1 20. 



Probabilities, problems in, 171. 



Pyrophorus noctilucus, on the light 

 of, 260. 



Quartz, on an electromagnetic theory 

 of, 152. 



threads, on the elastic constants 



of, 99, 116. 



Rayleigh (Lord) on Huygens's 

 gearing in illustration of the in- 

 duction of electric currents, 30; 

 on the theory of surface forces, 

 285, 456 ; on the tension of water 

 surfaces, clean and contaminated, 

 386. 



Refraction in certain metals, on, 

 365. 



Resonance, on electrical, 128. 



Robson (W. G.) on the diurnal 

 variation of the magnet at Kew, 

 140. 



Rubens (H.) on refraction and dis- 

 persion in certain metals, 365. 



Runge (Prof. O.) on the spectra of 

 the alkalies, 203. 



Rutley (F.) on composite spheru- 

 lites in obsidian, 123. 



Sabine (W. C.) on electrical oscil- 

 lations in air, 323. 



Schiff (J.) on the electrical series 

 for frictional electricity, 204. 



Sheldon (Dr. S.) on the magneto- 

 optical generation of electricity, 

 361. 



