INDEX. 



i)23 



Radium C, on the recoil of, from 

 radium B, 100. 



D and ils products of trans- 

 formation, on, 825. 



Rastall (II. R.) on the boulders of 

 the Cambridge drift, 206 ; on the 

 Skiddaw granite aud its meta- 

 niorphism, 820. 



Rayleigh (Lord) on the regularity 

 of structure of actual crystals, 96. 



Reversion of power series, on, 366. 



Ripple formation in Kundt's tube, 

 on Konig's theory of the, 476. 



Robinson (Dr. J.) on Konig's theory 

 of the ripple formation in "Kundt's 

 tube, 476. 



Rocks, on radioactive minerals in 

 common, 903. 



Romanes (J.) on the boulders ot the 

 Cambridge drift, 206. 



Rbntgen radiation, on a theory of 

 the structure of the electric field 

 audits application to, 301: on, 337. 



Rose-Innes (J.) on the motion of a 

 pendulum swinging through an 

 arc of finite magnitude, 851. 



Royds (T.) on the constitution of 

 the electric spark, 285. 



Rubens (Prof. H. J on measurements 

 in the extreme infra-red spectrum, 

 761. 



Russ (Dr. S.) on the recoil of radium 

 C from radium B, 100. 



Russell (Dr. A.) on alternating 

 current spark potentials, 203. 



Russell (A. S.) on variations ob- 

 served iii electroscopic measure- 

 ments and their prevention, 278 ; 

 on the question of the homo- 

 geneity of y rays, 725 ; on the 

 constant of uranium X, 847. 



Rutherford (Prof. E.) on the action 

 of the a rays on glass, 192. 



Sadler (O. A.) on homogeneous cor- 

 puscular radiation, 337. 



Savidge (II. Gr.), tables of the ber 

 and bei and ker and kei functions, 

 with further formulas for their 

 computation, 49. 



Scoble (W. A.) on ductile materials 

 under combined stress, 116; on 

 tests of brittle materials under 

 combined stress, 908. 



Scrivenor (J. 13.) on the rocks of 

 Pulau Ubin and Pulau Nanas, 

 654 ; on the turmaline-corundum 

 rocks of Kinta, iS5o. 



Self-inductance, on Pirani's method 



of measuring, 439. 

 Shaft, on an optical method of 



reading the torsional angle of a 



rotating, 300. 

 Simpson (Dr. G. C.) on earth-air 



electric currents, 715. 

 Sine condition in relation to the 



coma of optical systems, on the, 



356. 

 Skeats (Prof. E. W.) on the gneisses 



and altered dacites of the Dan- 



denoug district, 917. 

 Smith (E. E.) on cadmium amal- 

 gams and the Weston normal 



cell, 250. 

 Smoke, on the effect of, on the 



ionization of air, 657. 

 Smythe (Dr. T. A.) on the dyke at 



Crookdene, 654. 

 Soddy (F.) on the question of the 



homogeneity of -y-rays, 725 ; on 



the constant of uranium X, 847. 

 Soddy (W. M.) on the auestion of 



the homogeneity of y rays, 725. 

 Solar svstem, on the mutabilitv of 



the, 597. 

 Solutions, on the absorption of /3 rays 



by, 605. 

 Spark, on the constitution of the 



electric, 285. 

 Spark potentials, on alternating 



current, 203. 

 Specific heats, on saturation, witli 



van der Waals's and Clausius's 



characteristics, 407. 

 Spectra of uranous and uranyl com- 

 pounds, on the absorption, otti). 

 Spectrum, on the absorption, of 



potassium vapour, 195; on the 



electrical effect of the ultra-violet, 



290 ; on measurements in the 



extreme infra-red, 761. 

 Sphere, on the bending of electric 



waves round a large, 516. 

 Steel under combined stress, on, 



116. 

 Steele (Dr. B. D.) on an automatic 



Toepler pump, 863. 

 Steven (A. I.) on anomalous effects 



on first loading a wire, 619. 

 Stress, on ductile materials under 



combined, 116; on tests of brittle 



materials under combined, 908. 

 Strong (W. W.) on the absorption 



spectra of uranous and uranyl 



compounds, 566. 



