790 



INDEX. 



Inertia, on the effect of rotatory, 



on the vibrations of bars, 35. 

 Ionic conductivities, on electrical, 



215. 

 Ionization, on, in solution, 1 ; by 

 spraying-, on, 382 ; on a null in- 

 strument for measuring, 712. 

 Ionization-curve of methane, on the, 



425 r . 

 Iron, on the effect of stress on 

 magnetization in, 72 ; on the 

 superposition of mechanical vi- 

 brations upon magnetization in, 

 468. 

 Jervis-Smith (F. J.), experimental 



mathematics, 676. 

 Jones (Prof. E. T.) on a short-period 



electrometer, 238. 

 Kelvin (Lord) on the motions of 

 ether produced by collisions of 

 atoms or molecules containing or 

 not containing electrions, 317. 

 Kleeman (R. D.) on the secondary 

 cathode rays emitted by substances 

 exposed to y rays, 618. 

 Kunz (Dr. J.) on an abrupt limit in 

 the power of the positive rays to 

 produce phosphorescence, 614. 

 Larmor (Prof. J.) on the range of 

 freedom of electrons in metals, 312. 

 Lazytongs and lattice-works, on 



logarithmic, 377. 

 Le lias (G.) on the unit-stere theory, 



324. 

 Lead, on the radioactivity of, 760. 

 Light, on, dispersed from fine lines 

 or transmitted by narrow slits, 

 350 ; on the production of statical 

 electricity by the action of, 450. 

 Liquids, on the curvature method of 

 determining the surface-tension of, 

 591. 

 Lloyd's fringes for internal reflexion, 



oil, 503. 

 Logarithmic lazytongs and lattice- 

 works, on, 377. 

 Lowe (H. J.) on the igneous rocks 



of Dartmoor, 215. 

 Lowell (Prof. P.) on a general method 

 for evaluating the surface-tem- 

 perature of the planets, and on 

 the temperature of Mars, 161. 

 Luminous intensities, on a new 



instrument for comparing, 428. 

 Mcintosh (Dr. D.) on the amount of 

 radium present in rocks in the 

 neighbourhood of Montreal, 231. 



Mackenzie (Prof. A. S.) on second- 

 ary radiation from a plate exposed 

 to rays from radium, 176. 

 Mackenzie (T. D.) on the relation 

 between uranium and radium, 

 272. 

 McLennan (Prof. J. C.) on the radio- 

 activity of lead and other metals, 

 760. 

 Magnetic induction in spheroids, on, 



455. 

 oscillators as radiators in wire- 

 less telegraphy, on, 677. 



rotation of sodium vapour, on 



the, 145. 

 Magnetization, on the effect of stress 

 on, and its relations to the change 

 of elastic constants by, 65 ; on the 

 superposition of mechanical vibra- 

 tions upon, 468. 

 Makower (W.) on the rate of decay 

 of the active deposit from radium, 

 404. 

 Mallik (Prof. D. N.) on magnetic 



induction in spheroids, 455. 

 Mars, on the temperature of, 161, 



749. 

 Marty n (G. II.) on the discharge of 



electricity from hot bodies, 306. 

 Mathematics, experimental, 395, 



676. 

 Melander (Prof. G.) on the produc- 

 tion of statical electricity by the 

 action of heat and light, 450. 

 Mercury, on the gradual modification 



of the first linear spectra of, 785. 

 Metals, on the order of photo-electric 

 sensitiveness of the, 188; on the 

 range of freedom of electrons in, 

 312; on the radioactivity of, 

 760. 

 Methane, on the ionization-curve of, 



425. 

 Millikan (Prof. P. A.) on the influ- 

 ence of temperature upon photo- 

 electric effects, and on the photo- 

 electric sensitiveness of the metals, 

 188. 

 Molecules, on the motions of cether 



produced by collisions of, 317. 

 Nicholson (Dr. J. W.) on the scatter- 

 ing of sound by spheroids and 

 disks, 364 ; on the asymptotic 

 expansion of Bessel functions of 

 high order, 697. 

 Nickel, on the effect of stress on 

 magnetization in, 79 3 on secondary 



