904 



INDEX. 



Bridgman (P. W.), breaking tests 

 under hydrostatic pressure, 63. 



Bumstead (Prof. H. A.) on the 

 emission of electrons by metals 

 under the influence of alpha rays, 

 462. _ ' ' 



Cadmium, on the resistance of, in 

 magnetic fields, 813. 



Campbell (Dr. N. R.) on delta rays, 

 527, 783. 



Capillary surface, on the shape of 

 the, formed by contact of a liquid 

 with a cylinder, 837. 



Carbon, on the secondary Rontgen 

 radiation from, 765. 



Cathode rays, on the asymmetry in 

 the distribution of secondary, pro- 

 duced by X-rays, 37. 



Chadwick (J.) on the y rays excited 

 by the ,3 rays of radium, 594. 



Charges, on the theory and measure- 

 ment of residual, 437. 



Clark (Dr. A. L.) on the density of 

 liquids and refractive index of 

 liquids in contact, 451. 



Climatological physiology, mathe- 

 matical analysis of some experi- 

 ments in, 325. 



Colours, on the photometry of lights 

 of different, 149, 301, 352, 744, 

 845,853. 



Compton (K. T.) on the photoelectric 

 effect, 575. 



Contact difference of potential and the 

 action of ultra-violet light, on, 302. 



Conway (Prof. A. W.) on the qua- 

 ternion form of relativity, 208. 



Cooksey (Dr. C. I).) on the asym- 

 metry in the distribution of 

 secondary cathode rays produced 

 by X-rays, 37. 



Cox (Dr. A. II.) on an inlier of long- 

 myndian and cambrian at Ped- 

 wardine, 896. 



Crystals, on the indices of doubly 

 refracting determined by displace- 

 ment interferometry, 827. 



Current - potential curves of the 

 oscillating spark, on the, 709. 



Curves, on a ruler for drawing, 664. 



Cylindrical tube, on the emission of 

 sound by a source on the axis of a, 

 655. 



Davies (H.) on the law of the recti- 

 linear diameter, 415. 



De La Rive's tube, theory of electric 

 discharge in a, 500. 



Delta rays, on, 198, 527, 783. 



Density, on the influence of, on the 

 position of the emission and absorp- 

 tion lines in a gas-spectrum, 268. 



Dielectric constant, on changes in 

 the, produced by strain, 507. 



Dust figures produced by electric 

 sparks, on, 728. 



Earth's magnetic field, on the, 80; 

 surface materials, on the radio- 

 activity of the, 694. 



penetrating radiation, on the 



the, 



the bending of 



relative intensities of 



land and sea, 520. 

 Electrical behaviour of metallic 



vapours in flames, on the, 15. 

 ■ charges, on the theory and 



measurement of residual, 437. 

 discharge from a poiut, on the 



spread of the, 424 ; in a De La 



Rive's tube, theory of the, 500 ; 



on potential measurements in the 



neighbourhood of the electrodes 



in point-plane, 608. 



resistance, on the effect of 



the magnetic fields on, 813. 



sparks, on the current-potential 



curves of oscillating, 709 ; on dust 

 figures produced by, 728 



waves, on 



electric, round a large sphere, 755. 



Electricity, on the discharge of, by 



hot bodies, 196. 

 Electrometer, on the motion of the 



needle of a quadrant, 445. 

 Electron atmospheres of metals, on 



the, 316. 



theory of thermoelectric and 



thermionic effects, on the, 737. 



Electrons, on the emission of, by 

 metals under the influence of alpha 

 rays, 462. 



Equation of state, fundamental pro- 

 perties of the, 391. 



Eve (Dr. A. S.) on the ionization 

 within closed vessels due to Ront- 

 gen rays, 432. 



Eye, on the spectral luminosity curve 

 for the average, 853. 



Eerguson (A.) on the construction 

 and constants of a rectangular 

 galvanometer, 788 ; on the shape 

 of the capillary surface formed by 

 the external contact of a liquid 

 with a cylinder, 837. 



Eilms, on the elasticity of liquid, 

 629 ; on some iridescent, 751. 



