J /. '/', 



VI. ' Line- of Induction in a Magnetic Field." By Professor 

 III I.I SHANV, F.U.S., and A. BAY. 



VII. ''On the Spectroscopic Examination of Colour produced by 

 Simultaneous Contrast." By G. J. BUKCH, M.A. Commu- 

 nicated by Professor GOTCH, F.R.S. 



VIII. "An Experimental Investigation into the Flow of Marble." By 

 Dr. F. D. ADAMS and Dr. J. T. NICOLSOX. Communicated 

 by Professor CAT.I.F.NDAI;, F.R.S. 



IX. "A Criticism of the Young-Helmholtz Theory of Colour Percep- 

 tion." By Dr. F. \V. EDRIDGE-GREEX. Communicated by 

 Sir LAUDER BRVXTOX, F.R.S. 



X . " On the Viscosity of Gases as affected by Temperature." By 

 LORD RAYLKK;H, F.R.S. 



XI. " On the Thermodynamical Properties of Gases and Vapours as 

 deduced from a Modified Form of the Joule-Thomson Equa- 

 tion, with Special Reference to the Properties of Steam." By 

 Professor H. L. CALLEXDAR, F.R.S. 



XII. " Note on Inquiries as to the Escape of Gases from Atmo- 

 spheres." By Dr. G. JOHNSTOM: STOXEY, F.R.S. 



XIII. "The Distribution of Molecular Energy." By J. H. .1: 



B.A. Communicated by Professor J. J. THOMSON*, F.RS. 



XIV. " Energy of Rontgen and Becquerel Rays, and the Energy 



required to produce an Ion in Gases." By Professor 

 E. RUTHERFORD and R. K. M<CI.IN<;. Communicated by 

 Professor J. J. TII<O;S<>\, F.R.S. 



XV. " On the Capacity for Heat of Water between the Freezing and 

 Boiling Points, together with a Determination of the Me- 

 chanical Equivalent of Heat in Terms of the International 

 Electrical Units." By Dr. H. T. BARNES. Communicated by 

 Professor CALLEXDAR, F.R.S. 



XVI. "On Expressed Yeast-cell Plasma (Buchner's Zijm<i*<\" By Dr. 

 A. MACFADYEX, Dr. G. H. MORRIS, and S. ROWLAND. 

 Communicated by Sir H. E. ROSCOE, F.R.S. 



The Society adjourned over the Long Vacation to Thursday, 

 Novemlxjr 15. 



