iv REPOUT— 1901. 



REPORTS ON THE STATE OF SCIENCE. 



[^1 n asterisk * indicates that the title only is given. The mark f indicates the same, 

 but tvith a reference to the Journal or Nenspaper inwhich it is jniblished in extenso.] 



Page 



The Dtiterniinatioii of the Components of Magnetic Force on Board Ship. — 

 Report of the Committee, eonsistinj^ of Professor A. W. KvcKER (Chair- 

 man), Dr. ('. H. Lees (Secretary), Lord Kelvin, Professor A. Schuster, 

 Captain K. W. Crkak, Professor W. Stroid, Mr. C. ^'ernon Boys, and 

 Mr. \V . Watson 09 



Un a New Form of Instrument ibr otserving the Magnetic Dip and Intensity 

 on Board Ship at Sen. By Captain E. W. Creak, C.B., R.N., F.R.S 29 



E.x^eriments for Improving the Construction of Practical Standards for 

 Llectrical Measurements — Report of the Committee, consisting of Lord 

 Rayleigu (Chairman), Mr. R. T. Glazebrook (Secretarv), Lord Kelvin, 

 Professors W. E. Ayiiton, G. Carey Foster, J. Perry, "NV. G. Adams, and 

 Oliver J. Lodge, Dr. J. A. Muirheab, Sir W. [I. Preece, Professors J. D. 

 Everett, A. Schuster, J. A. Fleming and J. J. Thomson, Mr. W. x! 

 Shaw, Dr. J. T. Bottomley, Rev. T. C. Fitzpatrick, Dr. G. .Iohnstone 

 Stoney, Professor S. P. Thompson, Mr. J. IJennie, Mr. E. H. Griffiths, 

 Professors A. W. Rucker. H. L. Callendar, and Sir Wm. C. Roiierts- 

 Au-STEN, and Mr. George Matthev 3^ 



Appendix. — Xote on a Comparison of the Silver deposited in Volta- 

 meters containing different Solvents. By S. Skinner... 32 



Note on the Variation of the Specific Heat of Water. By Professor H. L. 

 Callendar, F.R.S ' ' ' «^ 



Radiation in a Magnetic Field.— Report of the Committee, consistino- of 

 the late Profesoor G. 1". FitzGerald (Chairman), Professor W. E. Thrift 

 (Secretary), Professor A. Schuster, Principal O. J. Lodge, Professor 

 S. P. Thompson, Dr. Gerald Molloy, and Dr. W. E. Adeney 39 



Interference and Polarisation of ]';iectric Waves. By Professor Dr. G 

 (Quincke ' ' ' pj, 



Seismological Investigations.— Si.^lli Report of the Committee, consistin"' of 

 Professor J. ^V . JcDit (Chairman), Mr. .T. Milne (Secretarv), Lord Kelvin 

 Profes.sor T. (J. lioNNEY, ^Ir. C. V. IIoys, Professor G. "ll D\rwin Mr' 

 Horace Darwin, Major L. Darwin, Professor J. A. Ewino Professor 

 <;. G. Knott Professor R. Meldola, Mr. R. 1). Oldham, Professor J. 

 Perry, -Mr. \\ . E. Plummer, Professor J. H. Poynting, Mr. Ci ement 

 Reid, Mr. Nelson Richardson, and Professor H. II. Turner 



40 



I. On Seismological Stations abroad and in Great Britnin 40 



Analyses of Records for the Year 1000 41 



On the Aj.pro.'iimate Frequency of Earthquakes at 'ciifferent Sta- 

 tions, J5y J. Milne .. 



Experiments upon Piers .„ 



