IV CONTENTS. 



REPOKTS ON THE STATE OF SCIENCE. 



\_An asterisk * indicates that tJie title only is given. The mark f indicates the same, 

 but a reference is given to the journal or nercspaper where it is published in estenao.] 



Page 



Corresponding Societies. — Report of the Committee, consisting of Professor R. 

 Meldola (Chairman), Mr. T. V. Holmes (Secretary), Mr. Francis Galton, 

 Sir DoTTGLAS Oalton, Sir Rawson Rawson, Mr. G. J. Symons, Dr. J. G. 

 Gaeson, Sir John Evans, Mr. J. Hopkinson, Professor T. G. Bonnet, Mr. 

 W. Whitakee, Mr. W. Toplet, Professor E. B, Poulton, Mr. Cuthbeet 

 Peek, and Rev. Canon H. B. Teisteam 19 



Report on the Present State of our Knowledge of Thermodynamics. By 

 G. H. Betan. Part II. — The Laws of Distribution of Energy and their 

 LimitatioDs 64 



Appendix A. — The Possible Laws of Partition of Rotatory Energy in 

 Non-colliding Rigid Bodies 98 



Appendix B. — Gn -the Law of Molecular Distribution in the Atmo- 

 sphere of a Rotating Planet .. 100 



Appendix 0. — On the Application of the Determinantal Relation to 

 the Kinetic Theory of Polyatomic Gases. By Professor Ltjdwig 



BOLTZMAKN 102 



The Best Methods of recording the Direct Intensity of Solar Radiation. — Tenth 

 Report of the Committee, consisting of Sir G. G. Stokes (Chairman), 

 Professor A. Schuster, Mr. G. Johnstone Stonet, Sir II. E. RoscoE, 

 Captain W. de W. Abney, Mr. C. Cheeb, Mr. G. J. Stmons, Mr. W. E. 

 "Wilson, and Professor H. McLeod. (Drawn up by Professor McLeod) ... 106 



Underground Temperature. — Twentieth Report of the Committee, consisting 

 of Professor J. D. Eveeett, Professor Lord Kelvin, Mr. G. J. Symons, 

 Sir A. Geikie, Mr. J. Glaishee, Professor Edward Hxtll, Profes.«or J. 

 Peesiwich, Dr. C. Le Neve Foster, Professor A. S. Herschel, Professor 

 G. A. Lebotje, Mr. A. B. Wynne, Mr. W. Galloway, Mr. Joseph 

 Dickinson, Mr. G. F. Deacon, Mr. E. Wetheeed, Mr. A. Strahan, and 

 Professor MiCHiE Smith. (Drawn up by Professor Everett, Secretary.) 107 



Meteorological Observations on Ben Nevis. — Report of the Committee, consist- 

 ing of Lord McLaeen (Chairman), Professur A. Cf.um Brown (Secretary), 

 Dr. John Mueeay, Dr. Alexandee Buchan, Hon. Ralph Abercromby, 

 and Professor R. Copeland. (Drawn up by Dr. Buchan) 108 



Experiments for Improving the Cons*^ruction of Practical Standards for Elec- 

 trical Measurements — Report of the Committee, consisting of Professor 

 Carey Foster (Cliaiiniiin), Lord Kelvin, Professors Ayeton, J. Peret, 

 W. G. Adams, and Lord Rayleigh, Drs. 0. J. Lodge, John Hopkinson, 

 and A. Muirhead, Messrs. W. H. Preece and Heebeet Taylor, Professor 

 J. D. Eveeett, Professor A. Schustee, Dr. J. A. Fleming, Professors 



