INDEX. 



953: 



Flint (H. T.) on integration theo- 

 rems of four-dimensional vector 

 analysis, 389. 

 Fluid, on problems relating to ro- 

 tating, in the atmosphere, 665. 

 discharges as affected by resis- 

 tance to flow, on, 286. 

 Force-transformation, proper time, 



and Fresnel's coefficient, on, 652. 

 Four-dimensional vector analysis, 



on integration theorems of, 389. 

 Frieke (H.) on the spectrum of 

 helium in the extreme ultra-vio- 

 let 814. 

 Galileo's ' Dialogues,' note on a pro- 

 position in, 225. 

 Gamma-ray energy, on the degra- 

 dation of, 749. 

 Gamma rays, on the wave-length of 



hard, 770. 

 Garner (W. E.) on the activity of 



water in sucrose solutions, 484. 

 Gases, on anemometers for the inves- 

 tigation of slow rates of flow of, 

 240. 716 ; on the temperature 

 radiation of, 267 ; on the disappear- 

 ance of, in electric discharge, 685. 

 General Electric Company's Research 

 Staff on the disappearance of gas 

 in the electric discharge, 685. 

 Geological Society, proceedings of 



the, 158, 583, 828, 947. 

 George (H. J.) on the abnormality of 



strong electrolytes, 799. 

 Gibbs (R. E.) on systems with 



propagated coupling, 432, 827. 

 Gilmour (A.) on the resistance of 

 solutions of copper sulphate in 

 glycerine, 544. 

 Glycerine, on the resistance of solu- 

 tions of copper sulphate in, 544. 

 Graphical method for determining 

 frequencies of lateral vibration or 

 whirling speeds, on a, 419. 

 Gravitational field of a particle on 



Einstein's theory, on the, 823. 

 Gravitv, on times of descent under, 



225/ 

 Green (Dr. G.) on problems relating 

 to rotating fluid in the atmosphere, 

 665. 

 Greenhill (Sir G.) on the Newton- 

 Einstein planetary orbit, 143. 

 Greenly (Dr. E.) on an iEolian Pleis- 

 tocene deposit at Olevedon, 948. 

 H, on the determination of, 454. 

 Hammick (D. L.) on surface energy, 

 latent heat, and compressibility, 21. 



Helium, on the spectrum of, in the- 



extreme ultra-violet, 814. 

 Hill (F. W.) on the gravitational 

 field of a particle on Einstein's 

 theory, 823. 

 Hjalmar (E.) on precision measure- 

 ments in the X-ray spectra, 675. 

 Holtedalfl (0.) on the Scandinavian 



mountain problem, 948. 

 Hortou (Prof. F.) on critical electron 

 velocities for the production of 

 luminosity in atmospheric neon, 

 921. 

 Hot-wire anemometers, on the con- 

 struction of, 240, 716. 

 Houstoun (Dr. R. A.) on a statistical 



survey of colour vision, 186. 

 HugliBS (Prof. A. LI.) on the dis- 

 sociation of hydrogen and nitrogen 

 by electric impacts, 778. 

 Hydrogen, on the electric discharge 

 in, 304 ; on the collision of alpha 

 particles with atoms of, 307 ; on 

 the disappearance of, in the electric- 

 discharge, 685 ; on the dissociation 

 of, by electric impacts, 778. 



nuclei, on the collisions of alpha 



particles with, 486. 



positive rays, on the spectrum 



of, 558, 566. 

 Hyperbolic space-time, on an inertial 



frame given by, 141. 

 Hvperdimensions, on motion and,. 



647. 

 Hypergeometric function A 4 (s), on 

 an asymptotic formula for the, 

 161 ; on a generalized, with n 

 parameters, 174. 

 Inductance, on the effective, of mag- 

 neto wingings, 33. 

 Inertial frame given by hyperbolic 



space-time, on the, 141. 

 Integration theorems of four-dimen- 

 sional vector analysis, on, 389. 

 Isothermals of vapours, on vapour 



pressures and the, 441. 

 Isotopic forms of mercury, on the, 



818. 

 James (II. W.) on the intensity of 

 reflexion of X-rays by rock-salt, 

 309. 

 Jeffery (Dr. G. B.) on the gravita- 

 tional field of a particle on Ein- 

 stein's theory, 823. 

 Jenkins (Prof. W. A.) on the deter- 

 mination of 11, 454. 

 Joly (Prof. J.) on a quantum theory 

 oi' vision, 289. 



