CONTENTS. XI 



TRANSACTIONS OF THE SECTIONS. 



Section A.— MATHEMATICAL AND PHYSICAL SCIENCE. 



THURSBAY, AUG D ST 9. 



Page 

 Address by Professor A. W. Rucker, MA., F.R.S., President of the Section 643 



1. Preliminary Experiments to find if Subtraction of Water from Air Elec- 

 trities it. By Lord Kelvin, P.R.S., Magnus Maclean, M.A., F.R.S.E., 

 and Alexander Galt, B.Sc, F.R.S.E 554 



2. Preliminary Experiments for comparing the Discharge of a Leyden-jar 

 through different Branches of a Divided Channel. By Lord Kelvin, 

 P.R.S., and Alex. Galt, B.Sc, F.R.S.E 555 



3. *0n Photo-Electric Leakage. By Professor Oliver J. Lodge, F.R.S 556 



4. Report on the Present State of our Knowledge of Thermodynamics, Part 



II., 'On the Laws of Distribution of Energy and their Limitations.' 

 By G. H. Bryan, M.A 556 



5. On the Possible Laws of Partition of Rotatory Energy in Non-colliding 



Rigid Bodies. By G. H. Bryan, M.A 556 



6. On the Law of Molecular Distribution in the Atmosphere of a Rotating 



Planet. By G. H. Bryan, M.A 556 



7. On the Application of the Determinantal Relation to the Kinetic Theory 



of Polyatomic Gases. By Professor Ludwig Boltzmann 557 



FRIBA Y, A UG UST 1 0. 



1. On Planimeters. By Professor 0. Hen rici, F.R.S 557 



2. *Note on the Behaviour of a Rotating Cylinder in a Steady Current. By 



Arnulph Mallock 557 



3. *0n the Resistance experienced by Solids moving through Fluids. By 

 Lord Kelvin, P.R.S 557 



4. * Discussion on Flight, opened by Hiram S. Maxim 557 



SATURBAY, AUGUST 11. 

 Department I. 



1. A Method of Determining all the Rational and Integral Algebraic Integrals 



of the Abelian System of Differential Equations. By W. R. Westropp 

 Roberts, M.A 557 



2. On a Graphical Transformer (for Replotting Curves). By A. P. Trotter 558 



3. On a Linkage for the Automatic Description of Regular Polygons. By 

 Professor J. D. Everett, F.R.S 659 



