INDEX. 



869 



Burbury (S. H.) on the law of pro- 

 bability for a system of correlated 

 variables, 1. 



Burton (Dr. C. V.)^ on a modified 

 theory of gravitation, 71 ; on the 

 osmotic theory of solutions, 598 ; 

 on the Faraday-Maxwell mechani- 

 cal stress, 641; on the kinetic 

 criterion of potential energy, 692. 



Burton (E. F.) on the action of 

 electrolytes on copper colloidal 

 solutions, 583. 



Campbell (N.) on the absorption of 

 /3 rays by liquids, 180. 



Canal, on the transverse oscillations 

 of a, of circular section, 325. 



Carbon, on the discharge of elec- 

 tricity from glowing, 366. 



Carbon arc, on the electron theory 

 of the, 361 ; on the relighting of 

 the, 449. 



Chabot (J. J. T.) on^ terrestrial 

 magnetism and volcanism, 655. 



Charcoal, on the absorption of the 

 radioactive emanations by, 374. 



Chree (Dr. C.) on the coefficients in 

 certain series of Bessel's functions, 

 329. 



Circuits, on electrical oscillations in 

 coupled, 28. 



Cloud, on the amount of water in a, 

 formed by expansion of moist air, 

 190. 



Coil, on Pirani's method of mea- 

 suring the self-inductance of a, 

 849. ° 



Coker (Prof. E. G.) on a laboratory 

 machine for applying bending and 

 twisting moments simultaneously, 

 496. 



Condenser, on the effect of an air- 

 blast on the spark discharge of a, 

 677. 



Conductivity, on variations in the, 

 of air enclosed in metallic re- 

 ceivers, 295 ; on electric, 773. 



Copper colloidal solutions, on the 

 action of electrolytes on, 583. 



Correlated variables, on the law of 

 probability for a system of, 1. 



Doppler effect in positive rays, on 

 the, 520. 



Drysdale (Dr. C. V.) on the use of 

 the potentiometer on alternate 

 current circuits, 402. 



Dufour (A.) on the secondary spec- 

 trum of hydrogen, 854. 

 Phil. Mag. S. 6. Vol. 17. No. 



Dunstan (A. E.) on the coefficient of 

 viscous traction of lead and tin 

 alloys, 192. 



Dwerryhouse (Prof. A. R.) on 

 intrusive rocks in the neighbour- 

 hood of Eskdale, 228. 



Dyke (G. B.) on the production of 

 steady electric oscillations in 

 closed circuits and a method of 

 testing radiotelegraphic receivers, 

 670. 



Earth's surface materials, on the 

 distribution of thorium in the, 

 760. 



Electrical conductivity, on, 773. 



inductance of a concentric 



main, on the, 524. 



origin of molecular attraction, 



on the, 657. 



oscillations in coupled circuits, 



on, 28 ; in closed circuits, on the 

 production of steady, 670. 



resistance of a concentric main, 



on the, 524. 



Electricity, on the discharge of, 

 from glowing carbon, 366 ; on 

 frictional, 457 ; on the theory 

 of thunderstorm, 619, 634. 



Electrified sphere, on the impulsive 

 motion of an, 43. 



Electrodynamics, note on the treat- 

 ment of, 275, 767. 



Electrolytes, on the action of, on 

 copper colloidal solutions, 583. 



Electron theory of the carbon arc, 

 on the, 361 ; on the application 

 of the, to induction currents, 

 706. 



Electrons, on the motion of, in 

 solids, 773. 



Elles (Miss G. L.) on the Conway 

 succession, 771. 



Energy, on temperature-radiation 

 and the partition of, in continuous 

 media, 229. 



Faraday-Maxwell mechanical stress, 

 on the, 641. 



Fleming (Prof. J. A.) on the 

 photoelectric properties of potas- 

 sium-sodium alloy, 286 ; on the 

 production of steady electric 

 oscillations in closed circuits and 

 a method of testing radiotele- 

 graphic receivers, 670 ; on the 

 effect of an air-blast upon the 

 spark-discharge of a condenser, 

 677. 



102. June 1909. 3 N 



