CONTENTS. ix- 



Page- 

 Heport of the Corresponding Societies Committee, consisting of Mr. Francis 

 Galton (Chairman), Professor A. VV. Williamson, Sir Douglas Galton, 

 Professor Botd Dawkins, Sir Ra-vvson Eawson, Dr. J. G. Gaeson, Dr. J. 

 Evans, Mr. J. Hopkinson, Professor E. Meldola (Secretary), Mr. VV. 

 Whitakee, Mr. G. J. Stmons, General Pitt-Rivees, Mr. W. Toplet, 

 Mr. H. G. FoEDHAM, and Mr. William White 459 



On the Vortex Theory of the Luminiferous ^Ether. (On the Propagation of 

 Laminar Motion through a turbulently moving Inviscid Liquid.) By Sir 

 William Thomson, LL.D., F.R.S 48G 



On the Theory of Electric Endosmose and other Allied Phenomena, and on 

 the Existence of a Sliding Coefficient for a Fluid iu contact with a Solid. 

 By Professor Hoeace Lamb, M.A., F.R.S 49.^) 



Gold and Silver: their Geological Di.-tiibution and their Probable Future 

 Production. By William Topley, F.G.S., Assoc.Inst.C.E., Geological 

 Survey of England and Wales, Recorder of Section C (Geology) 510 



Recent Illustrations of the Theory of Rent, and their Effect on the Value of 

 Land. By G. Aitldjo Jamieson 536 



On Certain Laws relating to the Regime of Rivers and Estuaries, and on the 

 Possibility of Experiments on a small scale. By Professor Osborne 

 Reynolds, F.R.S 555 



Experiments on the Mechanical Equivalent of Heat on a large scale. By E. 

 A. CowpER and W. Anderson 562 



On an Electric Current Meter. By Professor G. Forbes, M.A., F.R.S. 

 L. & E 564 



