[ 613 ] 



INDEX to VOL. XXXVII. 



Absorption coefficients for x- 



• rays, on, 165. 



./Ether, on Fizeau's experiment and 

 the, 215,315; on a possible means 

 of determining the constants of 

 the, 465. 



Alpha particles, on the collision of, 

 with light atoms. 537, 562, 571, 

 581. 



Alternating source, on the measure- 

 ment of the peak potential of an, 

 301. 



Animal colours, on the optical cha- 

 racter of some, 98. 



Appleton (Capt. E. V.) on the effects 

 of grid-currents in three-electrode 

 ionic tubes, 129. 



Aston (Dr. F. W.) on the possibility 

 of separating isotopes, 523. 



Atmospheric disturbances, on tra- 

 velling, 1. 



Atoms, on the structure of. 165, 237, 

 419 ; on the collision of alpha 

 particles with light, 537, 562, 571, 

 581. 



Auren (Dr. T. E.) on the absorption 

 of X-rays, 165. 



Bauerji (Prof. S.) on the radiation 

 of light from the boundaries of 

 diffracting apertures, 112. 



Barton (Prof. E. H.) on mechanical 

 resonators under double forcing, 

 453. 



Bateman (Dr. H.) on general rela- 

 tivity, 219. 

 setles, 

 of, 98. 



Birkeland (Prof. R.) on an attempt 

 to explain the Michelson inter- 

 ference experiment, 150. 



Books, new : — Tolman's The Theory 

 of the Relativity of Motion, 316 ; 

 Cullis's Matrices and Determi- 

 noids, 461 ; Raman's Mechanical 

 Theory of the Vibrations of Bowed 

 Strings, 535. 



Bromwich (Dr. T. J. I'a.) on opera- 

 tional methods in mathematical 

 physics, 407. 



Browning (Miss H. M.) on mecha- 

 nical resonators under double 

 forcing, 453. 



Burgers (J. M.) on a proposed hy- 

 draulic experiment, 595. 



Butterflv scales, on the colours of, 

 98. 



Campbell (Dr. N.) on the high- 

 tension magneto, 284, 372; on 

 the measurement of the peak po- 

 tential of an alternating source, 

 301 ; on the break of a magneto 

 or induction-coil, 481. 



Child (C. D.) on the light from 

 mercuiy vapour, 6\. 



Chinmayam (T. K.) on the flow of 

 energy in the electromagnetic field 

 surrounding a perfectly reflecting 

 cylinder, 9. 



Circle, on a geometrical construction 

 for rectifying any arc of a, 536. 



Colours, on the optical character of 

 some animal, 98. 



Correlation function of any number 

 of variates, on the normal, 446. 



