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INDEX to VOL. XL IV 



Adsorption, on the, of ions, 



.321 ; on the influence of the size 



of colloid particles on the, of 



electrolytes, 401 ; on a kinetic 



theory of, 689. 

 Air, on the straggling of alpha 



particles in, 42; on the discharge 



of, through small orifices, 969. 

 Alpha particles, on the straggling 



of, by matter, 42 ; on the disin- 

 tegraiion of elements by, 417; on 



the decrease of energy of, on 



passing through matter, 680. 

 Alternating-current bridge, on the 



general equations of an, 1024. 

 Aluminium, on the alpha particles 



from, 420. 

 Antonoff (Prof. G. N.) on the break- 

 ing stress of crystals of rock-salt, 



62. 

 Arc, on the repulsive effect upon 



the poles of the electric, 765. 

 lamp, on a sodium-potassium 



vapour, 944. 

 Argon, on the motion of electrons 



in, 1033. 

 Atmosphere, on the insolation of an, 



872. ■ 

 Atomic models, on a lecture-room 



demonstration of, 395. 

 structure, on the spectra of 



X-rays and the theory of, 546. 

 systems, on, based on free 



electrons, 1065. 

 Atoms, on the binding of electrons 



by, 193 ; on the distribution of 



electrons around the nucleus in 



the sodium and chlorine, 433 ; 



on the paths of electrons in the 



neighbourhood of, 777, 

 Bailey (V. A.) on the motion of 



electrons in argon and in hydro- 

 gen, 1033. 

 Baker (B. B.) on the path of an 



electron in the neighbourhood of 



an atom, 777. 

 Baker (Dr. T. J.) on breath figures, 



752. 

 Balmer series spectrum, on atomic 



hydrogen and the, 538. 



Barnett (S. J.) on electric fields due 

 to the motion of constant electro- 

 magnetic systems, 1112. 



Barton (Prof. E. H.) on vibrational 

 responders under compound forc- 

 ing, 573. 



Beams, on the buckling of deep, 

 1062. 



Belz (M. II.) on the heterodyne beat 

 method, 479. 



Bond (W. N.) on a wide-angle lens 

 for cloud recording, 999. 



Books, new :— Richardson's Weather 

 Prediction by Numerical Process, 

 285 ; Robertson's Basic Slags and 

 Rock Phosphates, 415 ; 011ivier"s 

 Cours de physique generale, 1055 ; 

 Mellor's Treatise on Inorganic 

 and Theoretical Chemistry, 1056 ; 

 Starling's Science in the Service 

 of Man, 1058 ; Mie's La Theorie 

 Einsteinienne de la Gravitation, 

 1058; Wave-lengths in the Arc 

 Spectra of Yttrium, Lanthanum, 

 and Cerium, 1058 ; The Journal 

 of Scientific Instruments, 1059 ; 

 The Cambridge Colloquium, 1916, 

 1169; Edwards's Treatise on the 

 Integral Calculus, 1169. 



Bosanquet (C. H.) on the distri- 

 bution of electrons in the sodium 

 and chlorine atoms, 433. 



Bradford (Dr. S, C.) on the mole- 

 cular theory of solution, 897. 



Bragg (Prof. W. L.) on the distri- 

 bution of electrons in the sodium 

 and chlorine atoms, 433. 



Bramley (A.) on radiation, 720. 



Brass weights, on the protection of, 

 948. 



Breath figures, on, 752. 



Breit (Dr. G.) on the effective 

 capacity of a pancake coil, 729 ; 

 on the propagation of a fan-shaped 

 group of waves, 1149. 



Bromehead (C. E. N.) on the in- 

 fluence of geology on the history 

 of London, 286. 



Broughall (L. St. C.) on the neon 

 spectrum, 204. 



