714 



INDEX. 



Magnetic effect of electrical convec- 

 tion, on the, 34. 



field, on the influence of, on 



thermal conductivity, 529. 



solutions, on new magneto-optic 



phenomena exhibited by, 486. 



Magneto-optic phenomena, on new, 

 486. 



Magri (L.) on oscillatory discharges, 

 1, 620. 



Majorana (Dr. Q.) on new magneto- 

 optic phenomena exhibited by 

 magnetic solutions, 486. 



Makower (W.) on the ratio of the 

 specific heats for air and steam, 

 226. 



Marchant (Dr. E. W.) on a graphi- 

 cal method of determining the 

 nature of the oscillatory discharge 



. from a condenser, 155. 



Martini (T.) on the heat evolved 

 when a liquid is brought in con- 

 tact with a finely-divided solid, 

 595. 



Matter, on the effect of light on the 

 properties of, 215. 



Mills (Dr. E. J.) on the numerics of 

 the elements, 543. 



Morton (Prof. W. B.) on the con- 

 nexion between speed of propaga- 

 tion and attenuation of electric 

 waves along parallel wires, 643. 



Networks, on the theory of conduct- 

 ing, 489. 



Nickel, on the Wiedemann effect in, 

 650. 



Numerics of the elements, on the, 

 543. 



Optical phenomena, on the resolution 

 of light into undulations of flat 

 wavelets as applied to the investi- 

 gation of, 264 ; new magneto-, 

 486. 



Optics, survey of theoretical, since 

 1840, 537. 



Oscillating - table for determining 

 moments of inertia, on an, 648. 



Oscillatory discharges, on, 1, 620 ; 

 graphical method of determining 

 the nature of, 155. 



Oxygen lines in the solar spectrum, 

 on, 524. 



Parks (Dr. G. J.) on the thickness 

 of the liquid film formed by con- 

 densation at the surface of a solid, 

 517. 



Pearson (Prof. K.) on a general 

 theory of the method of false posi- 

 tion, 658. 



Peck (J. YV.) on the special epochs 

 in vibrating systems, 511. 



Pender (Dr. H.) on the magnetic 

 effect of electrical convection, 34. 



Periodic system, on the position of 

 radium in the, 476. 



Photography, on the use of screens 

 transparent only to ultra-violet 

 light in spectrum, 257. 



Potential, on the variation of, along 

 a wire transmitting electric waves, 

 331. 



Potential-difference, on the removal 

 of the voltaic, by heating in oil, 

 591. 



Potentiometer for thermocouple mea- 

 surements, on a, 668. 



Precht (J.) on the position of radium 

 in the periodic system, 476. 



Preston (H.) on a new boring at 

 Caythorpe, 384. 



Prism-trains, on the effect of absorp- 

 tion on the resolving-power of, 

 355. 



Problem of Columbus, on the, 458. 



Radiation, on the influence of, on 

 the transmission of heat, 243 ; on 

 secondary, from gases subject to 

 X-rays, 685. 



Radioactive change, on, 576. 



— — emanations, on the condensa- 

 tion of the, 561. 



Radioactivity, on excited, and the 

 method of its transmission, 95 ; on 

 induced, excited in air at the foot 

 of waterfalls, 419 ; on the, of ura- 

 nium, 441 ; of radium and thorium, 

 445; remarks on, 481, 561 ; on the 

 nature of, 576 ; on the, of ordinary 

 materials, 680. 



Radium, on the transmission of the 

 radioactivity of, 95 ; on the mag- 

 netic and electric deviation of the 

 easily absorbed rays from, 177 ; on 

 the radioactivity of, 445, 561 ; on 

 the position of, in the periodic 

 system, 476 ; on the specific ioni- 

 zation produced by the corpuscles 

 given out by, 550, 698. 



Rayleigh (Lord) on the theory of 

 the fortnightly tide, 136 ; on the 

 spectrum of an irregular distur- 

 bance, 238 ; on the free vibrations 



