1144 



INDEX, 



Thermodynamics, on molecular, 606; 

 on the second law of, 1047. 



Thermometers, on the lags of, 49 ; on 

 the insulation of wires in platinum 

 resistance, 95. 



Thermometric anemometer, on the, 

 688. 



Thomas (Dr. J. S. G.) on the forced 

 convection of heat from wires, 277; 

 on the thermometric anemometer, 

 ' 688. 



Thomson (Sir J. J.) on the applica- 

 tion of the electron theory of 

 chemistry to solids, 721. : 



Thorium C, on the number of alpha- 

 particles per second emitted by, 

 1038. 



Timoshenko (Prof. S. P.) on the 

 transverse vibrations of bars, 125 ; 

 on the forced vibrations of bridges, 

 1018; on the buckling of beams, 

 1023. 



Tin, on the arc spectra of, 287. 



Townsend (Prof. J. S.) on the motion 

 of electrons in argon, 593, 1127. 



Triode generators, on oscillation- 

 hysteresis in, 177, 700. 



Tungsten, on the effect of gases on 

 the contact difference of potential 

 of, 162. 



Ultra-micrometer, on the application 

 of the, to the measurement of small 

 increments of temperature, 223. 



Vavilov (S. I.) on the dependence of 

 the intensity of the fluorescence of 

 dyes upon the wave-length of the 

 exciting light, 307. 



Vector function, on a graphical 

 synthesis of the linear, 545. 



Vibrations, on the transverse, of bars, 

 125; on the amplitude of, main- 

 tained by forces of double fre- 

 quency, 503 ; on coupled, by means 

 of a double pendulum, 567 ; on the 

 forced, of bridges, 1018. 



Viscosity, on the measurement of 

 absolute, 354, 1024. 



Walker (Dr. "YV. J.) on the effect of 

 variable specific heat on the dis- 

 charge of gases through orifices, 

 589. 



Waran (H. P.) on mechanical dis- 

 integration caused by positive ions, 

 . 226; on an interferometer method 

 of determining phase difference 

 from metallic reflexion, 471. 



Wave, on the form of the tempera- 

 ture, spreading by conduction, 

 359. 



Wheeler (Prof. R. V.) on the tem- 

 perature wave spreading by con- 

 duction from point and spherical 

 sources, 359. 



Whiddington (Prof. R.) on polariza- 

 tion phenomena in X-ray bulbs, 

 720; on X-ray electrons, 1116. 



Wireless telegraphy, on a graphical 

 solution of differential equations 

 in, 206. 



Wires, on the forced convection from 

 heated, 277 ; on the natural con- 

 vective cooling of, 329. 



Wood (Prof. R. W.) on fluorescence 

 and photo-chemistry, 757. 



Wrinch (Dr. D.) on fundamental 

 principles of scientific inquhw, 398 ; 

 on the orbits in the field of a 

 doublet, 993. 



X-ray beams, on the absorption of 

 narrow, 389. 



bulbs, on polarization pheno- 

 mena in, 193. 



electrons, on, 1116. 



X-rays, on characteristic, from boron 

 and carbon, 145 ; on the absorption 

 of the K, of silver in gases, 381 ; on 

 the reflexion of, from imperfect 

 crystals, 800 ; on the spectra of, 

 and the theory of atomic structure, 

 1070. 



Young's modulus for spruce, on, 871. 



Zinc, on the spectra of, 858. 



Zonal harmonics of the second type, 

 on, 1. 



END OF THE FORTY-THIRD VOLUME. 



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