REPORTS ON THE STATE OF SCIENCE. Ill 



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Page 

 VI. Changes in Level due to Tidal Influence 49 



VII. Megaseismic Activity and Rest 54 



VIII. On a Catalogue of Large Earthq uakes 55 



IX. Catalogue of Destructive Earthquakes in the Russian 

 Empire, Iceland, and the Western part of South 

 America 57 



Investigation of the Upper Atmosphere in co-operation with a Com- 

 mittee of the Royal Meteorological Society. — Ninth Report of the 

 Committee, consisting of Dr. W. N. Shaw (Chairman), Mr. E. Gold 

 (Secretary), Messrs. D. Archibald, C. Vernon Boys, C. J. P. 

 Cave, and W. H. Dines, Dr. R, T. Glazebrook, Sir J. Larmor, 

 Professor J. E. Petavel, Dr. A. Schuster, and Dr. W. Watson ... 72 



Magnetic Observations at Falmouth Observatory.— Report of the Com- 

 mittee, consisting of Sir W. H. Preece (Chairman), Dr. R. T. 

 Glazebrook (Secretary), Professor W. G. Adams, Dr. Chree, 

 Captain Creak, Mr. W. L. Fox, Sir Arthur Rucker, and Professor 

 Schuster 74 



Geodetic Arc in Africa.— Report of the Committee, consisting of Sir 

 George Darwin (Chairman), Sir David Gill (Secretary), Colonel 

 C. F. Close, and Sir George Goldie, appointed to carry out a 

 further portion of the Geodetic Arc of Meridian North of Lake 

 Tanganyika 75 



The Study of Astronomy, Meteorology, and Geophysics.— Report of 

 the Committee, consisting of Sir Arthur ROcker (Chairman), 

 Professor A. E. H. Love (Secretary), Sir Oliver Lodge, Sir J. J. 

 Thomson, Professors C. G. Knott, E. Rutherford, A. Schuster, 

 and E. T. Whittaker, Drs. W. G. Duffield and G. T. Walker, 

 and Mr. R. T. A. Innes, appointed to report upon the provision for 

 the Study of Astronomy, Meteorology (including Atmospheric Elec- 

 tricity), and Geophysics in the Universities of the British Empire ... 77 



Electroanalysis. — Report of the Committee, consisting of Professor 

 F. S. Kipping (Chairman), Dr. F. M. Perkin (Secretary), Dr. G. T. 

 Beilby, Dr. T. M. Lowry, Professor W. J. Pope, and Dr. H. J. S. 



Sand 79 



Dynamic Isomerism. — Report of the Committee, consisting of Professor 

 H. E. Armstrong (Chairman), Dr. T. M. Lowry (Secretary), Pro- 

 fessor Sydney Young, Dr. C. H. Desch, Dr. J. J. Dobbie, Dr. 

 M. O. Forster, and Dr. A. Lapworth. (Drawn up by the 

 Secretary) 80 



The Study of Hydro-aromatic Substances. -Report of the Committee, 

 consisting of Dr. E. Divers (Chairman), Professor A. W. Crossley 



a 3 



