[ 573 ] 



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A-R Y 



INDEX to VOL/ XXXLjo ^ 



ACTION, on the quantum of, 156. 



Airey (Dr. J. R.) on Bessel and 

 Neumann functions of equal order 

 and argument, 520. 



Alpha particles, on long-range, from 

 thorium, 379. 



Anderson (Prof. A.) on a method 

 of measuring surface-tension and 

 angles of contact, 143 ; on an 

 optical test for angles of contact, 

 285. 



Angles of contact, on a method of 

 measuring, 143 ; on an optical 

 test for, 285. 



Appaswamaiyar (S.) on discontinuous 

 wave-motion, 47. 



Atomic structure, on the scattering 

 of X-rays and, 222. 



Baly (Prof. E. C. C.) on light 

 absorption and fluorescence, 417 ; 

 on the ultra-violet absorption sys- 

 tem of sulphur dioxide, 512. 



Barkla (Prof. C. G.) on the scatter- 

 ing of X-rays and atomic structure, 

 222 ; on experiments to detect re- 

 fraction of X-rays, 257. 



Beam, on the strength of the thin- 

 plate, 348. 



Bessel and Neumann functions of 

 equal order and argument, on, 

 520. 



Beta rays, on the energy of the 

 secondary, produced by partly 

 absorbed gamma rays, 430. 



Biggs (H. b\) on the energy of the 

 secondary beta rays produced by 

 partly absorbed gamma rays, 430. 



Bilham (E. G.) on a comparison of 

 the arc and spark spectra of nickel 

 produced under pressure, 163. 



Bismuth, on the high-frequency 

 spectrum of, 403. 



Books, new : — Pierpont's Functions 

 of a Complex Variable, 88; Briggs 

 & Bryan's Tutorial Algebra, 406 ; 

 Thompson's A New Analysis of 

 Plane Geometry, 407; Couturat's 

 Algebra of Logic, 407 , Findlay's 

 Pracical Physical Chemistry, 

 408 ; Parker's Elements of Optics, 



408; Oarslaw's Plane Trjgono- 



metry^lCSlJjSblwell & R uss' 

 Radium, X-rays, and the Living 

 Cell, 410 ; _ More's The Limita- 

 tions of Science, 410 ; Pearson's 

 Tables for Statisticians and Bio- 

 metricians, 493. 



Bos well (P. G H.) on the lower 

 eocene deposits of the London 

 basin, 411. 



Bowen (J. E.) on a method of 

 measuring surface-tension and 

 angles of contact, 143 ; on an 

 optical test for angles of contact, 

 285. 



Bragg (Prof. W. H.) on the structure 

 of the spinel group of crystals, 

 88. 



Brodetsky (Dr. S.) on the absorption 

 of gases in vacuum-tubes, 478. 



Butterworth (S.) on a method for 

 deriving mutual- and self-induct- 

 ance series, 276, 496; on the 

 coefficients of mutual induction 

 of eccentric coils, 443. 



Channels, on the establishment of 

 turbulent flow in, 322. 



Child (C. D.) on the production of 

 light by the recombination of ions, 

 139. 



Coils, on the coefficients of mutual 

 induction of eccentric, 443. 



Cole (Prof. G. A. J.) on a composite 

 gneiss near Barna, 414. 



Conductor, nn the wave-length of 

 the electrical vibration associated 

 with a thin straight terminated, 

 96. 



Cooling of cylinders in a stream of 

 air, on the, 118. 



Cosecants, on the sum of a series of, 

 111. 



Crystal size, on the electrical aud 

 magnetic properties of pure iron 

 in relation to the, 357. 



Crystals, on the structure of silver, 

 83 ; on the structure of the spinel 

 group of, 88. 



Curl in a vector field, on divergence 

 and, 528. 



