﻿INDE X. 



613 



Eve (A. S. ) on the radioactive matter 



in the earth and the atmosphere, 



189. 

 Ewing (Dr. J. A.) on the molecular- 

 structure of metals, 254. 

 Ferric hydrate, on double refraction 



in, produced by electric endosmose, 



556. 

 Films, on the disruptive voltage of 



thin liquid, 317. 

 Fish-eye views and vision under 



water, on, 159. 

 Fleming- (Prof. J. A.) on the electric 



radiation from bent antennae, 



588. 

 Fluorescence spectrum, on the, of 



iodine vapour, 329 ; of sodium 



vapour, 499. 

 Galvanometer-needle, on the dead 



points of a, for transient currents, 



202. 

 Galvanometers, on the theory of 



moving-coil, 269. 

 Gamma rays, on the recombination 



of ions made by, 273. 

 Gases, on the II theorem and the 



dynamical theory of, 60 : on the 



potential required to maintain a 



current between parallel plates in, 



at low pressures, 210 ; on the 



evolution of, from the cathode in 



helium and argon, 481. 

 Gelatine, on double refraction in, 



produced by electric endosmose, 



548. 

 Geological Societv, proceedings of 



the, 1 95, 165. 529. 

 Glass surfaces, on leakage currents 



in the moisture condensed on, 



326. 

 Gordon (Dr. M. M. Ogilvie) on 



interference-phenomena in the 



Alps, 529. 

 Gratings, on the intensification of 



glass diffraction, 585. 

 Gravitation, on the explanation of, 



21. 

 Gravity, on the acceleration of, at 



Johannesburg. 479. 

 H Theorem, on the, 60. 

 Halm (Dr. 0.) on properties of the 



a rays of radiothorium, 82 ; on the 



ionization ranges of the a rays of 



actinium, 244 ; on the mass of the 



a particles from thorium, 371. 

 Haidinger's interference-rino:s, on, 



489. 



Hancock (Prof. E. L.) on the effect 

 of combined stresses on the elastic 

 properties of iron and steel, 418; on 

 tests of metals in reverse torsion, 

 426. 



Hargreaves (R.) on ellipsoidal har- 

 monics, reolotropic and isotropic, 

 36. 



Harmonics, on ellipsoidal, 36. 



Hawthorne (W.) on the deflexions 

 caused by a break in an overhead 

 wire carried on poles, 200. 



Heat waves, on a new method of 

 isolating, 67. 



Helium, on the evolution of gas from 

 the cathode in, 481. 



Hill (Rev. E.) on the chalk and 

 drift in Moen, 168. 



Interference colours of chlorate of 

 potash crystals, on the, 67. 



rings described by Haidinger, 



on the, 489. 



Iodine vapour, on the fluorescence, 

 magnetic rotation, and temperature 

 emission spectra of, 329. 



Ionization in the atmosphere, on, 198, 



ranges of the a rays of actinium, 



on the," 244. 



Ions, on the atomic conductivities of 

 the, 150, 532 ; on the recombina- 

 tion of, made by a, /3, y, and X 

 rays, 273. 



Iron, on the effect of electrical oscil- 

 lations on iron in a magnetic field, 

 109 ; on the effect of combined 

 stresses on the elastic properties of, 

 418 ; oil the use of chilled cast, 

 for permanent magnets, 468. 



Iron wires and rods, on the propa- 

 gation of longitudinal waves of 

 magnetic flux along, 433. 



Jeans (Prof. J. H.) on the thermo- 

 dynamical theory of radiation, 57 ; 

 on the H-theorem and the dyna- 

 mical theory of gases, 60. 



Johannesburg, on the acceleration 

 of gravity at, 479. 



Kelvin (Lord; on some remarkable 

 results of a discharge of lightning 

 upon an oak-tree, 62. 



Kleemau (R. D.) on the recom- 

 bination of ions made by a, /3, y, 

 and X rays, 273. 



Lateral vibration of bars, on the, 233. 



Leakage currents in the moisture 

 condeused on class surfaces, on, 

 336. 



Phil. Map. S. 6. Vol. 12. No. 72. Dec. 1906. 



2S 



