

492 



INDEX. 





Sherlock (Dr. K. L.) on the Trefriw 

 pyrites deposit, 488. 



Ship-waves, on, 48. 



Signalling, on scientific, and safety at 

 sea, 1. 



Silberstein (Dr. L.) on general rela- 

 tivity without the equivalence 

 hypothesis, 94; on the electron 

 theory of metallic conductors 

 applied to electrostatic distribu- 

 tion problems, 413. 



Smeeth (Dr. W. F.) on the geology 

 of Southern India, 362. 



Smith (T.) on the correction of tele- 

 scopic objectives, 405. 



Sodium vapour, on resonance and 

 ionization potentials for electrons 

 in, 64. 



Southerns (L.) on the double sus- 

 pension mirror, 477. 



Spectral series, on atomic number 

 and frequency differences in, 337 ; 

 on fundamental frequencies in, 

 461. 



Spectrum, on the flame and furnace, 

 of iron, 209 ; on the origin of the 

 line, of iron vapour, 281 ; on the 

 ultraviolet, of magnesium and sele- 

 nium, 450. 



Stationary phase, note on the prin- 

 ciple of, 62. 



states of motion, on Bohr's 



hypothesis of, 243. 



Stewart (Dr. A. W.) on atomic 

 structure from the ph}^sico-che- 

 mical standpoint, 326. 



Strutt (Prof. R. J.) on the scattering 

 of light by air molecules, 320. 



Superconductivity, note on, 359. 



Surface distributions, on the normal 

 component of the attraction due to 

 certain, 475. 



Surface tension, on the theory of, 

 377. 



water, on the flow of, during 



rain, 179. 



Tate (Dr. J. T.) on resonance and 

 ionization potentials for electrons 

 in metallic vapours, 64. 



Telescopic objectives, on the cor- 

 rection of, 405. 



Trisection of an angle, on an 

 arrangement for the, 143. 



Vacuum equations, note on the 

 electromagnetic, 119. 



Vibrations, on variably-coupled, 36 : 

 on the experimental illustration 

 of forced, 168. 



Waves, on, in deep water due to the 

 motion of submerged bodies, 48 ; 

 on the diffraction of plane, by a 

 screen, 420. 



Webb (H. A.) on the practical im- 

 portance of the confluent hyper- 

 geometric function, 129. 



Whipple (F. J. W.) on diffraction 

 nf plane waves by a screen 

 bounded by a straight edge, 420. 



Wireless telegTaphy, on the conduc- 

 tivity of sea-water for currents 

 used in, 88. 



Wolfke (Dr. M.) on a new secondary 

 radiation of positive rays, 270. 



Wood (Major R. W.) on the scat- 

 tering of light bv air molecules, 

 272. 



Young (J. F. T.) on the ultraviolet 

 spectra of magnesium and sele- 

 nium, 450. 



Zinc vapour, on resonance and ioni- 

 zation potentials for electrons in, 

 64 ; on fundamental frequencies in 

 the spectrum of, 461. 



END OF THE THIRTY-SIXTH VOLUME. 



Printed by Taylor and Francis, fted Lion Court, Fleet Street. 



