954 



INDEX. 



Jones (Prof. A. T.) on the motion ot 

 a simple pendulum after the string 

 has become slack, 809. 



Knott (Dr. C. G.) on earthquake 

 waves, 947. 



Lamplugh (Prof. G. W.) on the 

 Pleistocene siaciation of Eno-land, 

 L58. 

 "Latent heat, surface energy, and 

 compressibility, on, 21. 



Lattey (P. T.) on the dielectirc con- 

 stants of electrolytic solutions, 

 829. 



Least common multiple, on the 

 physical significance of the, 707. 



•Levy (Dr. H.) on a method of analy- 

 sis suitable for the differential 

 equations of mathematical phvsics, 

 584. 



Lienard (A.) on a method of finding 

 the scalar and vector potentials 

 due to the motion of electric 

 charges, 483. 



Light, on the weight and fate of, 

 549 ; on gether, and matter, 940. 



Liquids, on the separation of misci- 

 ble, by distillation, 633 ; on the 

 discontinuous flow of, past a 

 wedge, 801 ; on the coalescence 

 of spheres of, 877. 



Lodge (Sir 0.) on the supposed 

 weight and ultimate fate of ra- 

 diation, 549 ; on ether, light, and 

 matter, 940; on the Einstein 

 spectral shift, 944. 



Lyman (Prof. T\) on the spectrum 

 of helium in the extreme ultra- 

 violet, 814. 



McAulay (Prof. A.) on the inertial 

 frame given by a hyperbolic space- 

 time, 141. 



McLachlan (Dr. N. W.) on the 

 effective inductance, effective re- 

 sistance, and self-capacity of mag- 

 neto windings, 33. 

 .Magnetic field of circular currents, 

 on the, 377 ; on the determination 

 of the horizontal component of the 

 earth's, 454. 



polarity of free electrons, on 



the, 279. _ 



Magneto windings, on the effective 

 inductance, effective resistance, 

 and" self-capacity of, 33. 



Magneton, on the mass of the Par- 

 son, 118. 



Mallik (Prof. D. N.) on the electric 

 discharge in hydrogen, 304. 



Masson (I.) on the activity of water 

 in sucrose solutions, 484. 



Masson (Prof. O.) on the constitution 

 of atoms, 281. 



Matter, on ether, light, and, 940. 



Mercury, on the separation of, into 

 its isotopic forms by centrifuging, 

 818. 



Milner (Dr. S. R.) on the radiation 

 of energy by an accelerated elec- 

 tron, 405. 



Mixed plates, on the colours of, 338, 

 860. 



Molecular diameters, on, 877. 



Molecule, on the structure of the, 

 and chemical combination, 510. 



Morgan (J. D.) on impulsive 

 sparking voltage in small gaps, 

 462. 



Morton (Prof. W. B.) on times of 

 descent under gravity, 225 ; on 

 the discontinuous flow of liquid 

 past a wedge, 801. 



Motion and hvperdimensions, on, 

 647. 



Nagaoka (Prof. H.) on the magnetic 

 field of circular currents, 377. 



Neon, on the critical electron veloci- 

 ties for the production of lumino- 

 sity in, 921. 



Nitrogen, on the disappearance of, 

 in the electric discharge, 685 ; 

 on the dissociation of, by electron 

 impacts, 773. 



Pendulum, on the motion of a 

 simple, after the string has be- 

 come slack, 809. 



Phosphorus vapour, on the electric 

 discharge in, 692. 



Photo-electric effect, on the effect of 

 an electric current on the, 916. 



theory of vision, on the, 347. 



Phvsics, on the differential equations 

 of mathematical, 584. 



Planetary orbit, on the Newton- 

 Einstein, 143. 



Plates, on the colours of mixed, 338, 

 860. 



Platinum wires, on the thermal effect 

 of a slow current of air flowing 

 past heated, 240. 



Poisson's ratio, on the determination 

 of, by the method of flexures, 

 206. 



Pol (Dr. B. van der, jr.) on systems 

 with propagated coupling, 826. 



Polarity, on the magnetic, of free 

 electrons, 279. 



