

616 



INDEX. 



Spectra, on X-ray, and the structure 

 of the atom, 237 ; on the origin of, 

 and Planck's law, 419 ; on preci- 

 sion-measurements in the X-ray, 

 601. 



Temperature, on the influence of, on 

 aras reactions, 224. 



Thallium, on ionization and reso- 

 nance potentials for electrons in 

 vapour of, 33. 



Thermionic valve, on the use of the, 

 in measuring- potential, 301. 



Thermometers, on the lag of, 134. 



Thomson (Sir J. J.) on the origin of 

 spectra and Planck's law, 419. 



Todd (Dr. G, W.) on the influence of 

 temperature on homogeneous gas 

 reactions. 224. 



Vegard (Prof. L.) on the X-ray 

 spectra and the constitution of the 

 atom, 237. 



Vibrations, on the problem of random, 

 321,498. 



Walker (Dr. G. T.) on Format's 

 law, 156. 



Wayiing (II. G.) on latent heats of 

 fusion and their relation to mole- 

 cular composition, 495. 



Whipple (F. J. W.) on rectifying 

 any arc of a circle, 536. 



Wicksell (Dr. S. D.) on a general 

 formula for the moments of the 

 normal correlation function of any 

 number of variates, 44(5. 



Wireless telegraphy, on the effects 

 of grid-currents in, 129. 



Wood (Prof. R. W.) on the reso- 

 nance radiation of sodium vapour 

 excited by one of the I) lines, 456. 



X-rays, on the absorption of, 165; on 

 the calculation of the scattered 

 radiation from a plate exposed to, 

 207 ; on the spectra of, and the 

 constitution of the atom, 237 ; 

 on precision-measurements in th« 

 spectra of, 601. 



END OF THE THIRTY-SEVENTH VOLUME. 



Printed by Taylor and Francis, "Red Lion Court, Fleet Street. 



