On Subjective Colour Phenomena attending sudden Changes of Illumi- 

 nation. By Shelford Bidwell, M.A., LL.B., F.R.S. 



Vll 



Page 

 368 





No. 365. 



On the Effect of Pressure in the surrounding Gas on the Temperature 

 of the Crater of an Electric Arc. Correction of Results in former 

 Paper. By W. E. Wilson, F.R.S., and G. F. Fitzgerald, F.R.S 377 



Influence of Alterations of Temperature upon the Electrotonic Cur- 

 rents of Medullated Nerve. By Augustus D. Waller, M.D., F.R.S. 383 



On the Occurrence of Gallium in the Clay-ironstone of the Cleveland 

 District of Yorkshire : Determination of Gallium in Blast-furnace 

 Iron from Middlesbrough. By W. N. Hartley, F.R.S., Professor of 

 Chemistry, and Hugh Ramage, A.R.C.Sc.L, F.I.C., Assistant Chemist, 

 Royal College of Science, Dublin 393 



Meeting of January 21, 1897, with List of Papers read 408 



Experiments in Examination of the Peripheral Distribution of the 

 Fibres of the Posterior Roots of some Spinal Nerves. Part II. By 

 C. S. Sherrington, M.A., M.D., F.R.S., Holt Professor of Physiology, 

 University College, Liverpool 408 



Cataleptoid Reflexes in the Monkey. By C. S. Sherrington, M.A., 

 M.D., F.R.S., Holt Professor of Physiology, University College, 

 Liverpool 411 



On Reciprocal Iimervation of Antagonistic Muscles. Third Note. By 

 C. S. Sherrington, M.A., M.D., F.R.S., Holt Professor of Physiology, 

 University College, Liverpool 414 



On Cheiro&trobusi a new Type of Fossil Cone from the Calciferous Sand- 

 stones. By D. II. Scott, M.A., Ph.D., F.R.S., Hon. Keeper of the 

 .Todrell Laboratory, Royal Gardens, Kew 417 



No. 366. 



Meeting of January 28, 1897, with List of Papers read 424 



On the Capacity and Residual Charge of Dielectrics as affected by 

 Temperature and Time. By J. Hopkinson, F.R.S., and E. Wilson.... 425 



On the Electrical Resistivity of Electrolytic Bismuth at Low Tempera- 

 tures, 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 Engi- 

 neering in University College, London 425 



On the Selective Conductivity exhibited by certain Polarising Sub- 

 stances. By Professor Jagadis Chunder Bose, M.A., D.Sc 433 



Meeting of February 4, 1897, with List of Papers read 437 



On the Condition in which Fats are absorbed from the Intestine. By B. 

 Moore and D. P. Rockwood 438 



The Gaseous Constituents of certain Mineral Substances and Natural 

 W T aters. By William Ramsay, F.R.S., and Morris W. Travers, 

 T> Q. 442 



JD.ioC 



Some Experiments on Helium. By Morris W. Travers, B.Sc 449 



On the Gases enclosed in Crystalline Rocks and Minerals. By W. A. 

 Tilden, D.Sc., F.R.S 



