INDEX. 



845 



Harris (T.) on the reflexion of 

 electromagnetic waves at the sur- 

 face of a moving mirror, 822. 



Helium, on atomic structure and the 

 spectrum of, 90. 



Hicks (Prof. W. M.) on high- 

 frequency spectra and the periodic 

 table, 139. 



Holmes (A.) on lead and the end 

 product of thorium, 823. 



Horton (Dr. F.) on the action of a 

 VVehnelt cathode, 244. 



Hughes (Dr. A. LI.) on the contact 

 difference of potential of distilled 

 metals, 337. 



Hydrodynamics, notes on, 1, 13. 



Hvpergeometrical series, on the ap- 

 plication of, to frequency distribu- 

 tions in space, 379. 



Inductance, on a new continuous 

 balance method of comparing an, 

 with a capacity, 37, 842. 



Integral, note on a definite, 57. 



Ionization, on the positive, from 

 heated platinum, 170 ; on the. of 

 platinum by cathode rays, 286. 



potential of mercury vapour, 



on the, 753. 



Ionized gases, on concentration cells 

 in, 685. 



Ions, on the number of, produced by 

 the beta and gamma radiations 

 from radium, 327. 



Isserlis (L.) on the application of 

 solid hypergeometrical series to 

 frequency distributions in space, 

 379. 



Ives (Dr. H. E.) on the theory of 

 the flicker photometer, 708. 



•lenkinson (W. U.) on concentration 

 cells in ionized gases, 685. 



.ludd (Prof. J. W.) on the geology 

 of Rockall, 156. 



Kinetic theory of gases, on the, 

 798. 



Kingsbury (E. F.) on the theory of 

 the flicker photometer, 708. 



Larmor (Sir J.) on the reflexion of 

 electromagnetic waves by a moving 

 perfect reflector, 702. 



Lawson (R. W.) on lead and the end 

 product of thorium, 823. 



Lead and the end product of thorium, 

 on, 823. 



Le Pas (G.) on the theory of mole- 

 cular volumes, 439 : on the uuit- 

 slere theory, 607. 



Lecithin emulsion, on the form 

 assumed by the suspended particles 

 in a, 664. 



Lees (S.) on the energy distribution 

 for natural radiation, 794. 



Lewis (Prof. W. C. McC.) on the 

 relation of the internal pressure of 

 a liquid to its dielectric capacity 

 and permeability, 104. 



Liquid, on the motion of a viscous, 

 in channels, 30 ; on the internal 

 pressure of a, and its dielectric 

 capaeit}' - and permeability, 104; 

 on the forces acting on a solid 

 sphere in contact with a, 149 ; on 

 the equilibrium of a revolving, 

 under capillary force, 161 ; on the 

 surface-tension of a, in contact 

 with different gases, 403. 



Liquid-gas surfaces, on electrification 

 at, 367. 



Livens (G. II.) on the statistical 

 relations of radiant energy, 648 ; 

 on the theories of rotational 

 optical activity, 756. 



Lowry (Dr. T. M.) on an oxidizable 

 variety of nitrogen, 412. 



Lucian (Dr. A. N.) on the distribu- 

 tion of the active deposit of 

 actinium, 761. 



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

 sorption spectrum of zinc vapour, 

 360. 



McRobert (Lady) on acid and in- 

 termediate intrusions at Melrose, 

 155. 



McTaggart (H. A.) on the electri- 

 fication at liquid-gas surfaces, 

 367. 



Magnetic field, on visual sensation? 

 caused by a, 188. 



— spectrum of the beta rays excited 

 in metals by soft X rays, on the, 

 277. 



Magnetism, on permanent, of chrome 

 and tungsten steels, 738. 



Magnusson (Dr. C. E.) on visual 

 sensations caused bv a magnetie 

 field, 188. 



Mallik (Prof. D. N.) on the dy- 

 namical theory of diffraction, 224. 



Maimer (I.) on the high-frequency 

 spectra of the elements, 787. 



Marsden (Dr. E.) on the transform- 

 ations of actinium C, 818. 



Mercury vapour, on the ionization 

 potential of. 753. 



