vii 



Pase 



On the Weisjlit of Hvdrooen desiccated by Liquid Air. By Lord 

 Rayleigh, F.E.S ' 1 334 



The Kinetic Theory of Planetary Atmospheres. By G. H. Bryan, 

 ScD., F.RS I 335 



Combinatorial Analysis.— Tiie Foundations of a New Theory. By 

 Major P. A. MacMahon, R.A., D.Sc, F.RS , 336 



liber Reihen auf der Conyergenzgrenze. Von Emanuel Lasker, 

 Dr. Philos. Communicated by Major MacMahon, F.R.S 337 



Further Note on the Influence of Temperature of Liquid Air on 

 Bacteria. By Allan Macfadyen, M.D., and S. Rowland, M.A. Com- 

 municated by Lord Lister, P.R.S 339 



Report of the Kew Obseryatory Committee for the Year ending De- 

 cember 31, 1899 1 341 



No. 431. 



Meeting of May 10, 1900, List of Candidates recommended for Election 

 and List of Papers read 374 



Meeting of May 17, 1900 374 



List of Papers read May 17, 1900 375 



Electrical Conductiyity in Gases tiuyersed by Cathode Rays. By J. C. 

 McLennan, Demonstrator in Physics, University of Toronto. Com- 

 municated by Professor J. J. Thomson, F.R.S 375 



Observations on the Electromotive Phenomena of Non-medullated 

 Nerve. By Miss S. C. M. Sowton. Communicated bv Dr. Waller, 

 F.R.S. (Plate 4) \ 379 



Experiments on the Value of Vascular and Visceral Factois for the 

 Genesis of Emotion. By C. S. Sherrington, M.A., M.D., F.R.S 390 



On the Briglitness of the Corona of April 16, 1893. Preliminary Note. 

 By H. H. Turner, M.A., F.R.S., Savilian Professor 403 



Radio-activity of Uranium. By Sir William Crookes, F.R.S. (Plate 5) 409 



No. 432. 



Meeting of May 31, 1900, and List of Papers read 423 



Croonian Lectcjre. — On Immunity with Special Reference to Cell 

 Life. By Professor Dr. Paul Ehrlich, Director of the Royal Prussian 

 Institute of Experimental Therapeutics, Frankfort-on-the-Maine, 

 (Plates 6 and 7) 424 



No. 433. 



Annual Meeting for the Election of Fellows 449 



Meeting of .Tune 14, 1900, and List of Papers read 449 



On the Periodicity in the Electric Touch of Chemical Elements. Pre- 

 liminary Notice. By Jagadis Chunder Bose, M.A., D.Sc, Professor 

 of Physical Science, Presidency College, Calcutta. Communicated by 

 Lord Rayleigh, F.R.S 450 



