574 



INDEX. 



on the deflexion by magnetic force 

 of the, 429. 



Electric stress, on the behaviour of 

 air and rarefied gases under power- 

 ful, 243. 



■ waves, on the attenuation of, 



along a line of negligible leakage, 

 29(3; on the continuity in undu- 

 latory theory of, and condensa- 

 Tional-rarefactional waves in gases, 

 liquids, and solids, and distortional 

 waves in solids, 494. 



Electricity, on contact, of metals, 

 •82 ; on the distribution of, on a 

 pair of charged spheres in contact, 

 254 ; on the charge of, carried by 

 the ions produced by Rdntgen 

 rays, 528. 



Electrolyte, on the Hall effect in a 

 binary, 465. 



Equilibrium-figures formed by float- 

 ing magnets, on, 162. 



Everett (Prof. J. D.) on dynamical 

 illustrations of certain optical 

 phenomena, 227. 



Fawcett (F. B.) on standard high 

 resistances. 500. 



Flames, on the conductivity of the 

 hot gases from, 29. 



Franks (G. F.) on the Globigerina- 

 marls of Barbados, 505. 



Galvanometers, on, 349. 



Gamma function, on the application 

 of the, to an electrostatic problem, 

 254. 



Gases, on the conductivity of the 

 hot, from flames, 29 on the ratio 

 of the velocities of the two ions 



' produced in, by Rontgen radia- 

 tion, 120; on conduction of heat 

 by rarefied, 192 ; on the behaviour 

 of rarefied, under powerful electric 

 stress, 243; on the deflexion by 

 magnetic force of the electric dis- 

 charge through, 429. 



Geological Society, proceedings of 

 the, 165, 259, 346, 505. 



Gill (J. L. W.) on the distribution 

 of magnetic induction in straight 

 iron rods, 478. 



Gray (Prof. A.) on the virtual re- 

 sistance of thin wires for rapidly 

 alternating currents, 426. 



Gresley (W. S.) on cone-in-cone, 

 168. 



Griffiths (A.) on diffusive convec- 

 tion, 453. 



Hall effect in a binary electrolyte, 

 on the, 465. 



Ilarmer (F. W.) on the Pliocene 

 deposits of the East of England 

 166. 



Harrison (Prof. J. B.) on the Glo- 

 bigerina-marls of Barbados, 505. 



Heat, reduction of Rowland's value 

 of the mechanical equivalent of, 

 to the hydrogen scale, 1 ; on con- 

 duction of, by rarefied gases, 192 ; 

 on continuity in undulatory theory 

 of radiant, visible light, &c, 494.' 



Henry (J.) on the deflexion by mag- 

 neiic force of the electric dis- 

 charge through gases, 429. 



Hewitt (Dr. J. T.) on natural gas in 

 Sussex, 318. 



Honda (K.) on magnetostriction, 

 261. 



Hutton (II. S.) on the compound 

 line-spectrum of hydrogen, 338. 



Hydrogen, on the compound line- 

 spectrum of, 338. 



Induction, on the distribution of 

 magnetic, in straight iron rods, 

 478. _ 



Induction-coil, quantitative study of 

 the high-frequency, 312. 



Influence-machine, on an, 564. 



Interference experiments, on the ad- 

 missible width of the slit in, 472 : 

 on the orientation of the slit in, 

 553. 



Ions, on the velocities of positive 

 and negative, 36, 120 ; on the 

 charge of electricity carried by the, 

 produced in gases by Rontgen 

 rays, 528. 



Iron, on the forces acting on a piece 

 of, carrying an electric current, 

 154 ; on the anomalous changes 

 in the length and temperature of, 

 during recalescence, 173 ; on the 

 effect of hydrostatic pressure on 

 the magnetization of, 261. 



Iron rods, on the distribution of 

 magnetic induction in, 478. 



Isoperiodie systems, on, 567. 



Jackson (II.) on phosphorescence, 402. 



Jervis-Smith (F. J.) on a method of 

 measuring the torsional angle of a 

 rotating shaft, 348. 



Jude (Dr. R. H.) on the application 

 of the gamma function to an 

 electrostatic problem, 254. 



Jukes-Browne (A. J.) on an outlier 

 of Cenomanian and Turonian near 

 Honiton, 168. 



Kelvin (Lord) on contact electricity 

 of metals, 82 ; on continuity in 

 undulatory theory of condensa- 

 tional-rarefactional waves in gases, 

 liquids, and solids, of distortional 

 waves in solids, of electric waves, 

 and of radiant heat, visible light, 

 ultra-violet light, 494. 



