718 
the ionization producedin, by Rout- 
ven rays, 81; on the solubility and 
diffusion in solution of dissociated, 
266; on the charges on ions pro- 
duced in, 276; on the disintegra- 
tion of the platinum metals in 
different, 388; on the kinetic 
theory of, 467; on the escape of, 
from atmospheres, 690. 
Geological Society, proceedings of 
the, 79, 310, 414. 
Glass, on the viscosity of soda-, 355. 
Gore’s phenomenon, on, 626. 
Gregory (Prof. J. W.) on the glacial 
geolory of Tasmania, 80. 
Hagen (Prof. E.) on relations be- 
tween the optical and the electrical 
qualities of metals, 157. 
Harrison (Dr. E. P.) on the tem- 
perature-variation of the coefficient 
of expansion of pure nickel, 626. 
Himalaya mountains, on the attrac- 
tion of the, upon the plumb-line, 
14, 292. 
Holborn (L.) on the disintegration 
of the platinum metals in different 
oases, 388. 
Hosking (R.) on the electrical con- 
ductivity and fluidity of solutions, 
469. 
Houstoun (R.A.), spectroscopic notes, 
456. 
Hydrogen and oxygen at low pres- 
sures, on the effect of the passage 
of electricity through a mixture of, 
223; analysis of the bright lines 
in the spectrum of, 501. 
Inductances, on the measurement of 
small, 586. . 
Interference, on Some new cases of, 
376, 
Ionization produced in gases by 
Réntgen rays, on the effect of 
temperature on the, 81; on the 
condensation method of demon- 
strating the, of air, 681. 
Ions, on the charges on, 276. . 
Jeans (J. H.) on the kinetic theory 
of gases, 467. 
Joly (Prof. J.) on the motion of 
radium in the electric field, 
303. 
Jourdain (P. E. B.) on the transfinite 
cardinal numbers of well-ordered 
ageregates, 61; on the transfinite 
cardinal numbers of number-classes 
in general, 294, 
INDEX. 
Kelvin (Lord) on the nature of the 
emanations from radium, 220; on 
the destruction of cambric by 
exposure to radium bromide, 235 ; 
on deep-water two-dimensional 
waves produced by any given 
initiating disturbance, 609. 
Kirkby (Rev. P. J.) on the effect of 
the passage of electricity through 
a mixture of oxygen and hydrogen 
at low pressures, 225. 
Larmor (Prof. J.) on the intensity of 
the natural radiation from moving 
bodies and its mechanical reaction, 
578; on the ascertained absence 
of effects of motion through the 
ether in relation to the consti- 
tution of matter, 621. 
Laws (S. C.) on the Thomson effect 
in alloys of bismuth and tin, 560. 
Leininger (F.) on the relation of the 
electric charges transported by 
cathode and canal rays to the 
exciting current, 180. 
Light, on non-homocentric pencils 
of, 700, 706. 
Lubrication, on the occurrence of 
cavitation in, 329. 
McClelland (Prof. J. A.) on the 
emanation given off by radium, 
555; on the comparison of capa- 
cities in electrical work, 362. 
McClung (R. K.) on the effect of 
temperature on the ionization pro- 
duced in gases by Rontgen rays, 81. 
Magnetic behaviour of basaltic bars 
when heated in air, on the, 45. 
Magnetism, on the, of basalt, 45. 
Magnetograph, on a quartz-thread 
vertical force, 395. 
Magnetometer deflexion-bars, on the 
bending of, 39. 
Magneto-static field, on stresses in a, 
au9. 
Mercury, analysis of the bright lines 
in the spectrum of, 496; on the 
vapour-pressure of, 662. 
Mercury vapour, on the are in, 95. 
Metallic vapours, on the are in, 95. 
Metals, on the number of electrons 
conveying the conduction currents 
in, 151; on relations between the 
optical and electrical qualities of, 
157; on the disintegration of the 
platinum, in different gases, 388. 
Michelson-Morley experiment, on 
the, 317, 405, 621. 
ast 
