[ 1137 ] 



INDEX to VOL. XLTII 



AlJDENBROOKE (G. L.) on the 

 leyden-jar with movable coatings, 

 489. 

 Aether, on simultaneity and the, 



528. 

 Air, on the convection of light in, 

 447 ; on the viscosity of, in a trans- 

 verse electric field, 1129. 

 Alpha-particles, on the number of, 

 emitted per second by thorium C, 

 1038. 



Alpha-ray bombardment, on induced 

 radioactivity from, 938. 



Alpha rays, on active modifications 

 of hydrogen and nitrogen produced 

 by, 455. 



Ammonia, on the specific heat of, 

 369. 



Anderson (Prof. A.) on scalar and 

 vector potentials due to moving 

 electric charges, 131. 



Anemometer, on the thermometric, 

 688. • 



Appleton (E. V.) on a type of os- 

 cillation-hysteresis in a simple 

 triode generator, 177 ; on a graphi- 

 cal solution of some differential 

 equations, 214. 



Arc, on the occurrence of spark lines, 

 in the, 287, 834. 



Argon, on the motion of electrons in, 

 593, 1127. 



Ashworth (Dr. J. R.) on the theory 

 of the intrinsic field of a magnet, 

 401. 



Aston (Dr. F. W.) on the mass- 

 spectrograph, 514. 



Atomic number, on beta, rays and, 

 393 ; on stopping power and, 477. 



structure, on the theory of, 



1070. 



Atoms and molecules, on, 886, 

 1025. 



Bailey (V. A.) on the motion of elec- 

 trons in argon, 593, 1127; on a 

 development of Maxwell's capacity 

 bridge, 1107. 



Bars, on the transverse vibrations of, 

 125. 



Beams, on the buckling of deep, 

 1023. 



Phil Mag. Ser. 6, Vol. 43. No. 



Beating tones of overblown organ 

 pipes, on the, 72. 



Benzophenone, on the latent heat of 

 fusion of, 436. 



Beta rays and atomic number, on, 

 393. 



Biaxial crystals, on a new optical 

 property of, 510. 



Bickerdike (C. F.) on the interaction 

 between radiation and electrons, 

 1064. 



Birkhoff (Prof. G. D.) on circular 

 plates of variable thickness, 953. 



Bohr (Prof. N.) on the selection 

 principle of the quantum theory, 

 1112. 



Books, new: — Kaye & Laby's Tables 

 of Physical and Chemical Con- 

 stants, 237 ; Carslaw's Introduc- 

 tion to the Theory of Fourier's 

 Series and Integrals, 238 ; Bro- 

 detsky's The Mechanical Prin- 

 ciples of the Aeroplane, 240 : 

 Mallik's Optical Theories, 240 : 

 Geddes' Meteorology, 398 ; Cun- 

 ningham's Relativity, the Electron 

 Theory, and Gravitation, 399 ; 

 Lemeray's Lecons Elementaires 

 sur la Gravitation d'apres la 

 Theorie d'Einstein, 399 ; John- 

 stone's The Mechanism of Life, 

 399; Richardson's The Emission 

 of Electricity from Hot Bodies, 

 400 ; Bibliotheca Chemico-Mathe- 

 matica, 4C0 ; Edwards' Treatise 

 on the Integral Calculus, 636 ; 

 Neville's Multilinear Functions of 

 Direction, 1130 ; Carslaw's Intro- 

 duction to the Mathematical 

 Theory of the Conduction of Heat 

 in Solids, 1131; Beilby's The 

 Aggregation and Flow of Solids, 

 1181; Burtons The Physical 

 Properties of Colloidal Solutions, 

 1132; Campbell's Series Spectra, 

 1132; Auerbach's Moderne Mag- 

 netik, 1134. 

 Boron, on X-rays from, 145. 

 Bowen (E. J.) on an attempt to 

 separate the isotopes of chlorine 

 430. 



258, June 1922. 4 D 



