424 Proceedings and List of Papers read. 



of Palaeozoic Cryptogams, allowing of comparison with SphenopTiyllum, 

 lias actually been brought to light, the discovery of which Dr. 

 Williamson and I ventured to anticipate at the close of our first joint 

 memoir.* 



January 28, 1897, 



Sir JOSEPH LISTER, Bart., RR.C.S., D.C.L., President, followed 

 by Sir JOHN EVAN'S, K.C.B., Treasurer and Yice- President, in 

 the Chair. 



Mr. John Eliot and Dr. Edward Charles Stirling were admitted 

 into the Society. 



A List of the Presents received was laid on the table, and thanks 

 ordered for them. 



The Treasurer offered the congratulations of the Society to the 

 President on his elevation to the peerage. 



The following Papers were read : 



I. " On the Capacity and Residual Charge of Dielectrics as affected 

 by Temperature and Time." By J. HOPKINSON, F.R.S., and 

 E. WILSON. 



II. " On the Electrical Resistivity of Eleptrolytic Bismuth at Low 

 Temperatures and in Magnetic Fields." By JAMES DEWAR,, 

 M.A., LL.D., F.R.S., Fullerian Professor of Chemistry in the 

 Royal Institution; and J. A. FLEMING, M.A., D.Sc., F.R.S., 

 Professor of Electrical Engineering in University College, 

 London. 



III. " On the Selective Conductivity exhibited by certain Polarising 

 Substances." By JAGADIS CHUNDER BOSE, M.A., D.Sc., Pro- 

 fessor of Physical Science, Presidency College, Calcutta. 

 Communicated by Lord RAYLEIGH, F.R.S. 



- * Williamson and Scott, " Further Observations on the Organisation of the 

 Fossil Plants of the Coal-measures," Part I, ' Phil. Trans./ B, 1894, p. 946. 



