[ 903 



INDEX r 



TO 



-ixCTINIUM emanation, on the 

 diffusion of, and the active deposit 

 produced by it, 370; comparison 

 of the coefficients of diffusion of 

 thorium and, 037. 



products, on the ranges of the 



a particles from, 647. 



Adams (Prof. E. P.) on changes 

 in the dielectric constant produced 

 by strain, 507. 



Air, on recoil atoms in ionized, 722. 



Alkali salt vapours, on the diffusion 

 of, in flames, 118, 707, 902. 



Alpha particles, on the photographic 

 registration of, 618 ; ou the ranges 

 of the, from the thorium and 

 actinium products, 647. 



rays, on the ionization curve 



for the, from polonium in ruei cury 

 vapour, 296 ; on the secondary 

 rays excited by the, of polonium, 

 401 ; ou the emission of electrons 

 bv metals under the influence of, 

 462. 



Anderson (Prof. A.) on the action of 

 ultra-violet light on metals, l08; 

 on contact difference of potential 

 and the action of ultra-violet light, 

 302 ; on the theory and measure- 

 ment of residual charges, 437. 



Andrade (Dr. E. N. da C.) on the 

 electrical behaviour of metallic 

 vapours in flames, 15, 809. 



Atmosphere, on the supply of radium 

 emanation from the soil to the, 

 632. 



Atoms, on multiplv-charged, 668. 



Bailey (E. B.B.) on the Glen Orchy 

 anticline, 898. 



Barton (Prof. E, H.) on dust figures 

 produced by electric sparks, 728. 



Bar us (Prof. C.) on the indices of 

 doubly-refracting crystals deter- 

 mined by displacement interfero- 

 metry, 827. 



Becker (A.) on the diffusion of 

 alkali salt vapours in flames, 707. 



lermanman 



V(£ XXIV. 

 V T 



L Becker (&&) on ttfe gudt 



; « complemefl*, 600/ 



Berkeley (the Earl o£B on solubility 

 ate^J sitpersolu^ility from the os- 

 motic standpoint, 254 ; on a ruler 

 for dravving'c'urves, 664. 



Beta rays, on the origin of, from 

 radioactive substances, 453 ; on 

 the gamma rays excited by the, of 

 radium, 594, 892 ; on delta rays 

 produced bv, 783 ; on the energy 

 of, 893. 



Bismuth, on the resistance of, in 

 m^gnelic fields, 813. 



Bonney (Prof. T. G.), penological 

 notes on Guernsey &c, 205. 



Books,new : — Smith's Conic Sections 

 by the Methods of Coordinate 

 Geometry, 202 ; Gibson and Pink- 

 ertons Elements of Analytical 

 Geometry, 202 ; Bell's Coordinate 

 Geometry of Three Dimensions, 

 202 ; Cave's The Structure of the 

 Atmosphere in Clear Weather, 



322 ; Young's Monographs on 

 Topics of Modern Mathematics, 



323 ; Sommerville's Bibliography 

 of Non-Euclidean Geometry, 452; 

 Wood's Physical Optics, 705 ; 

 Tutton's Crystallography and 

 Practical Crystal Measurement, 

 706 ; Ferguson's Percentage Unit 

 of Angular Measurement, 812 ; 

 Gesainmelte Werke Walther Bitz, 

 894. 



Borthwick (Miss P. M.) on potential 

 measurements in the neighbour- 

 hood of the electrodes in point- 

 plane discharge, 608. 



Boulton (Prof. \V. S.) on a mon- 

 chiquite intrusion in the old red 

 sandstone of Monmouthshire, 

 203. 



Breaking tests under hydrostatic 

 pressure, on, 63. 



Bridge methods for resistance mea- 

 surements, on new, 541. 



