552 



INDEX. 



Runge (Prof. C.) on the constituents 



of eleveite gas, 297. 

 Scott-Elliot (G. F.) on the geology 



of Mt. Ruwenzori, 319. 

 Selenium, on the electrical properties 



of, 233. 



Skertchly (S. B. J.) on the loess and 

 other superficial deposits of Shan- 

 tung, 150. 



Sollas (Prof. W.J.) on an experiment 

 to illustrate the mode of flow of a 

 viscous fluid, 314. 



Solutions, experimental proof of laws 

 concerning, 119 ; on self -recorded 

 breaks in the properties of, 472 ; on 

 molecular force and the surface- 

 tension of, 477. 



Spark, on the inconstancy of the 

 potential required for a, 396. 



Spectrum of liquid air, on the absorp- 

 tion, 268. 



Stoney (Dr. G. J.) on the kinetic 

 theory of gas regarded as illus- 

 trating nature, 362. 



Strahan (A.) on overthrusts of Ter- 

 tiary date in Dorset, 319. 



Sue:ar, on the cryoscopic relations of 

 dilute solutions of cane-, 383. 



Sutherland (W.) on the fundamental 

 atomic laws of thermochemistry, 

 1 ; on the viscosity of mixed gases, 

 421 ; on molecular force and the 

 surface-tension of solutions, 477. 



Synchronous motor, on a theory of 

 the, 56, 195. 



Temperature, on the measurement of 

 cyclically varying, 282. 



Thermal unit, on the, 431. 



Thermochemistry, on the funda- 

 mental atomic laws of, 1. 



Thermo-electric powers of metals 

 and alloys between the tempera- 

 tures of the boiling-point of water 

 and the boiling-point of liquid air, 

 on the, 95. 



Thomson (Prof. J.J.) on the relation 



between the atom and the charge 

 of electricity carried by it, 511. 



Tinfoil grating as a detector for 

 electric waves, on, 497. 



Trowbridge (Prof. J.) on the velocity 

 of electric waves, 211. 



Tuma (Dr. J.) on measurements with 

 alternating currents of high fre- 

 quency, 476. 



Van't Hoft's constant, experimental 

 proof of, 119. 



Viscosity of mixed gases, on the, 

 421. 



Voltameter, on the use of an iodine, 

 for the measurement of small cur- 

 rents, 91. 



Walford (E. A.) on the Lias Iron- 

 stone around Banbury, 147. 



Wanklyn (J. A.) on fractional distil- 

 lation applied to American petro- 

 leum and Russian kerosene, 225. 



Water, on the capacity for heat of, 

 at different temperatures, 433. 



Waterman (F. A.) on an improved 

 calorimeter for the application of 

 the method of mixtures, 413. 



Watts (W. W.) on the crush-conglo- 

 merates of the Isle of Man, 394. 



Waves, electric, on the velocity of, 

 211 ; on tinfoil grating as a detector 

 for, 497. 



Wilde (H.) on helium and its place 

 in the natural classification of ele- 

 mentary substances, 466. 



Wildermann (Dr. M.) on an experi- 

 mental proof of Van't Hoffs con- 

 stant, of Arrhenius's generaliza- 

 tion, and of Ostwald's law of 

 dilution in very dilute solutions, 

 119. 



Wilkinson (W. F.) on the geology 

 and mineral resources of Anatolia, 

 148. 



Wood (R. W.) on a simple method 

 of determining the duration of tor- 

 sional oscillations, 395. 



END OF THE FORTIETH VOLUME. 



Printed by Taylor and Francis, Red Lion Court, Fleet Street. 



