523 



INDEX. 



Tacliylyte, on some occurrences of, 

 321. ' 



Tait (Prof. P. G.) ou the motion of 

 a gas " in mass," 38 ; on some 

 questions in the kinetic theory of 

 gases, 172. 



Tereschin (S.) on electrical trans- 

 portation in liquids, 78. 



Thermoelectrical properties of iron 

 when under stress or strain, on the, 

 45 ; of bismuth, on the effect of 

 magnetization on the, 285. 



Thompson (Prof. S. P.) on the price 

 of the factor of safety in the ma- 

 terials for lightning-rods, 170 ; on 

 a modified water-dropping influ- 

 ence-machine, 283. 



Thomson (Sir W.) on Cauchy's and 

 Green's doctrine of extraneous 

 force to explain dynamically Fres- 

 nel's kinematics of double refrac- 

 tion, 116 ; on KirchhofPs investi- 

 gation of the velocity of electricity, 

 155; on the application of the 

 deci- ampere or centi- ampere 

 balance to determine the electro- 

 motive forces of voltaic cells, 164. 



Tidal action as an agent of geological 

 change, on, 338. 



Tomlinson (H.) on the effect of tem- 

 perature on the thermoelectrical 

 properties of iron, 45 ; on the re- 

 calescence of iron, 103 ; on the 

 effect of magnetization on the ther- 



moelectrical properties of bismuth, 

 285 ; on the temperature at which 

 nickel begins to lose its magnetic 

 properties, 372. 



Tschechowitsch (K.) on electrical 

 impressions, 80. 



Valency, remarks on, 21, 297 ; re- 

 marks on the varying, of the ele- 

 ments, 221. 



Velocities, on a law of distribution 

 of molecular, amongst the mole- 

 cules of a fluid, 165. 



Vibrations, on the forced, of electro- 

 magnetic systems, 130, 202. 



Vogel (H. O.) on the insulating ac- 

 tion of various substances in respect 

 of radiant heat, 523. 



Water, on the integral weight of, 

 269. 



Watson (Dr. II . W.) on the electro- 

 motive force in moving conductors, 

 271. 



Waves, on electromagnetic, 130, 202, 

 379 ; on the height, length, and 

 velocity of ocean, 263. 



Wethered (E.) on insoluble residues 

 from the carboniferous limestone 

 at Clifton, 319. 



Wiedemann (Prof. E.) on the in- 

 fluence of light upon the electric 

 discharge, 162. 



Young (Dr. J.) on a stratigraphical 

 table chiefly for Western Europe, 

 274. 



END OF THE TWENTY-FIFTH VOLUME. 



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