[ 469 ] 



INDEX 



PHILOSOPHICAL TRANSACTIONS 



SERIES A, VOL. 220. 



B. 



BAKEBIAN LECTUBE (PABSONS), 67. 



BBOMWICU (T. J. I'A.) The Scattering of Plane Electric Waves by Spheres, 175. 

 BUBNHAM (T. H.). See DUFFIELD (and others). 



D. 



DAVIDSON (C ). See DYSON (and others). 

 DAVIS (A. H.). See DUFFIELD (and others). 

 Diamond, artificial production of (PABSOXS), 67. 



DUFFIELD (W. G.) (and others). The Pressure upon the Poles of the Electric Arc, 109. 



DYSON (Sir F.) (and others). A Determination of the Deflection of Light by the Sun's Gravitational Field, from 

 Observations made at the Total Eclipse of May 29, 1919, 291. 



E. 



Eclipse of May 29, 1919 (DYSON and others), 291. 

 EDDINOTON (A. S.). See DYSON and others. 

 Electric arc, pressure upon poles of (DUFFIBLD), 109. 

 Electric waves, scattering of plane, by spheres (BEOMWICH), 175. 

 Electrodynamics, fundamental formulations of (LIVENS), 207. 

 Electromagnetic integrals (&BEBNHILL), 35. 



a. 



GBBSNHILL (Sir GK). Electromagnetic Integrals, 35. 



H. 



Helium, intensity relations in the spectrum of (MEBTOir and NICHOLSON), 137. 



HICKS (W. M.). A Critical Study of Spectral Series. Part V. The Spectra of the Monatomic Gases, 335. 



Integrals, electromagnetic (GBEENHILL), 35. 



VOL. COXX. A. 3 S [Published June 8, 1920. 



