VI CONTENTS OF VOL. XIV. FIFTH SERIES. 



NTJMBEE LXXXIX.— NOVEMBER. 



Page 



Lord Rayleigh's Comparison of Methods for the Determination 

 of Eesistances in Absolute Measure 329 



Messrs. C. E. Cross and E. J. Bevan on the Correlation of the 

 Chemistry of the Carbon Compounds with the Phenomena of 

 Life • 346 



Dr. 0. J. Lodge on the Dimensions of a Magnetic Pole in the 

 Electrostatic System of Units 357 



Dr. Eugen Goldstein on the Electric Discharge in Earefied 

 Gases 366 



Mr. Ernest H. Cook on Carbon Dioxide as a Constituent of 

 the Atmosphere 387 



Mr. E. B. Sargant on the Dimensions of the Magnetic Pole in 

 Electrostatic Measure 395 



Notices respecting Xew Books : — 



Mr. J. B. Stallo's Concepts and Theories of Modern 

 Physics 396 



On Dr. C. W. Siemens's new Theory of the Sun, by M. Eaye . . 400 



On the Connexion between the Gas-density and Stratum- 

 interval in Geissler Tubes, by Dr. E. Goldstein 402 



On the Elasticity of Earefied Gases, by E. H. Amagat 403 



On the Influence of Temperature upon the Spectra of Metal- 

 loids, by M. D. van Monckhoven • • • • 406 



On a Thermoscopic Method for the Determination of the Ohm, 

 by G. Lippmann , 407 



NUMBER XC.— DECEMBER. 



Mr. G. H. Darwin on Variations in the Vertical due to Elas- 

 ticity of the Earth's Surface 409 



Rev. S. Haughton's Xew Views of Mr. George H. Darwin's 

 Theory of the Evolution of the Earth-Moon System, con- 

 sidered as to its bearing on the question of the Duration of 

 Geological Time 427 



Prof. H. Helmholtz on Systems of Absolute Measures for 

 Electric and Magnetic Quantities 430 



Messrs. J. Trowbridge and C. B. Penrose on the Thomson 

 Effect 440 



Dr. E. Goldstein on the Reflection of Electrical Rays 449 



Dr. E. Goldstein on the Influence of the Shape of the Kathode 

 on the Distribution of the Phosphorescent Light in Geissler's 

 Tubes 455 



Notices respecting New Books : — 



J. B. Chalmers's Graphical Determiuation of Forces in 

 Engineering Structures 472 



