IXDE X. 



1013 



Jeans (Prof. J.) on the motion of a 

 particle about a doublet, 380 ; on 

 the analysis of the radiation from 

 electron orbits, 6-12 ; on non- 

 Newtonian mechanical systems and 

 Planck's theory of radiation, 94.':). 



Jolley (A. C.) on the magnetic 

 balance of MM. P. Curie and 

 C. Oheneveau, 366. 



Joly (Prof. J.) on the amount of 

 thorium in sedimentary rocks, 125, 

 353. 



Jones (Prof. E. T.) on musical arc 

 oscillations in coupled circuits, 660. 



Kaye (Dr. G. VV. C.) oh a method 

 of counting the rulings of a dif- 

 fraction grating, 714 ; on the ex- 

 pansion and thermal hysteresis of 

 fused silica, 718. 



Kleeman (Dr. R. D.) on the shape 

 of the atom, 229 ; on the homo- 

 geneity of the y rays of radium, 

 248 ; on the shape of the mole- 

 cule, 445 ; on the equation of 

 continuity of the liquid and gaseous 

 states of matter, 665 ; on mole- 

 cular attraction, 901 ; on the 

 attraction constant of a molecule 

 of a substance and its chemical 

 properties, 905. 



Kovarik (Dr. A.) on the absorption 

 and reflexion of 8-particles by 

 matter, 849 ; on the reflexion of 

 homogeneous /3-particles of dif- 

 lerent velocities, 866. 



Lagging of pipes and wires, on the, 

 511. 



Lamb (Prof. H.) on a hydrodynami- 

 cal illustration of the theory of 

 the transmission of aerial and 

 electrical waves by a grating, 303. 



Larmor (Sir J.) on the statistical 

 theory of radiation, 350. 



Lees (Dr. C. H.) on the laws of the 

 direction of thermo-electric cur- 

 rents, 384. 



Lenard (Dr. P.) on the electricity of 

 mercury falls and very large ions, 

 903. 



Lenses, on the lengths of the focal 

 lines of cylindrical, 59 ; on a for- 

 mula for the spherical aberration 

 in, 82. 



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

 nature of the transition layer be- 

 tween two adjacent phases, 502. 



Lewis (Prof. W. J.) on wiltahireite, 

 a new mineral, 474. 



Light, on a difference in the photo- 

 electric effect caused by incideut 

 and emergent, 331. 

 Liquid mixtures, on partial pressures 

 in, 97 ; and gaseous states of 

 matter, on the equation of con- 

 tinuity of the, 665. 

 Liquids, on the stability of super- 

 posed streams of viscous, 493 : on 

 the molecular pressure in, 502; 

 on relations between physical pro- 

 perties of,atthe boiling-point, 522. 



Lissajous' figures, on hysteresis loops 

 and, 417. 



Lonsdale (J. J.) on the ionization 

 produced by the splashing of mer- 

 cury, 464. 



Love (Prof. A. E. H.) on the effect 

 of radial forces in opposing the 

 distortion of an elastic sphere, 

 437. 



Magnetic balance of MM. P. Curie 

 and C. Cheneveau, on the, 357. 



field, on the electrostatic etfect 



of a changing, 384 ; on the de- 

 flexion by a, of radium B on recoil 

 from radium A, 882. 



hysteresis, on, 1005. 



Makower (Dr. AY.) on the deflexion 

 by an electrostatic field of radium 

 B on recoil from radium A, 875 : 

 on the deflexion by the magnetic 

 field of radium B on recoil from 

 radium A, 882. 



Martin (E. 11.) on the lagging f 

 steam-pipes, 518. 



Mason (Prof. M.) on the flow of 

 energy in an interference field, 290. 



Mechanical systems, on non-New- 

 tonian, and Planck's theory of 

 radiation, 943. 



Mercury, on the ionization produced 

 by the splashing of, 4»J4 ; 903 ; 

 on the series spectrum of, 636. 



Metals, on the specific charge of the 

 ions emitted by hot, 545 ; on the 

 photoelectric iatigue of, 564 ; on 

 the electron theory of the optical 

 properties of, 835. 



Miller (Dr. AV.) on a constant pres- 

 sure gas- thermometer, 296. 



Mills (Dr. J. E.) on molecular attrac- 

 tion, 629. 



Milner (Dr. S. E.) on the series 

 spectrum of mercury, 636. 



Mineral, on wiltshireite, a new, 474. 



Minerals, on the ratio between ura- 

 nium and radium in, 345. 



