REPORTS ON THE STATE OF SCIENCE. V 



Page 



IV. Large Earthquakes in relation to Time and Space 95 



V. Relationship of Large Earthquakes to each other and to Volcanic 



Eruptions 97 



VI. Earthquakes and Changes in Latitude 97 



Vn. On the Change of Level on two sides of a Valley ... 99 



VIII. Antarctic Earthquakes 100 



IX. Note on the Determination of the Time of Origin of Earthquakes. 



By R. D. Oldham 100 



X. Diurnal Changes in Level in Mauritius. By T, F. Claxton. ... 103 



Experiments for improving the Construction of Practical Standards for 

 Electrical Measurements. — Report of the Committee, consisting of Lord 

 Ratleigh (Chairman), Dr. R. T. Glazebrook (Secretary), Lord Kelvin, 

 Professors W. E. Atrton, J. Pbert, W. G. Adams, and G. Caret Foster, 

 Sir Oliver J. Lodse, Dr. A. Muirhead, Sir W. H. Prbece, Professors . 

 A. Schuster, J. A. Fleming, and J. J. Thomson, Dr. W. N. Shaw, 

 Dr. J. T. BoTTOMLET, Rev. T. C. Fitzpatrick, Dr. G. Johnstone 

 Stonet, Professor S. P. Thompson, Mr. J. Rennie, Principal E. H. 

 Griffiths, Sir A. W. Rijcker, Professor H. L. Callbndar, and Mr. 



George Matthet 104 



Appendix. — On Methods of High Precision for the Comparison of 

 Resistances. By F. E. Smith 106 



The Evolution of the Elements. By F. Soddt 122 



Magnetic Survey of South Africa. — Preliminary Report of the Committee, 

 consisting of Sir David Gill (Chairman), Professor J. C. Beaxtie (Secre- 

 tary), Mr. S. S. Hough, Professor Morrison, and Professor A. Schuster, 

 appointed to continue the Magnetic Survey of South Africa commenced by 



Professors Beattie and Morrison -... 131 



Report on Results of Magnetic Observations in the Transkei and in 

 Bechuanaland. By Professor J. C. Beattie, D.Sc 132 



Investigations of the Upper Atmospliere by Means of Kites in co-operation 

 with a Committee of the Royal Meteorological Society. — Fifth Report of 

 the Committee, consisting of Dr. W. N. Shaw (Chairman), Mr. W. H. 

 Dines (Secretary), Mr. D. Archibald, Mr, 0. Vernon Boys, Dr. A. 

 Buchan, Dr. R. T. Glazebrook, Dr. H. R. Mill, Professor A. Schuster, 

 and Dr. W. Watson. (Drawn up by the Secretary.) 138 



The Distribution of Prussic Acid in the Vegetable Kingdom. By Maurits 

 Greshoff, Ph.D 138 



The Chemical Aspects of Cyanogenesis in Plants. By Professor Wtndham 

 DuNSTAN, M.A., LL.D., F.R.S., and T. A. Henrt, D.Sc 145 



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

 Armstrong (Chairman), Dr. T. M. Lowry (Secretary), Professor Sydney 

 Young, Dr. J. J. Dobbie, Dr. A. Lapworth, and Dr. M. 0. Forster, 

 (Drawn up by the Secretary.) 157 



The Transformation of Aromatic Nitroamines and Allied Substances, and its 

 Relation to Substitution in Benzene Derivatives. — Report of the Com- 

 mittee, consisting of Professor F. S. Kipping (Chairman), Professor K. J. P. 

 Orton (Secretary), Dr. S. Ruhemann, Dr. A. Lapavorth, and Dr. J. T. 

 Hewitt 159 



Wave-length Tables of the Spectra of the Elements and Compounds. — Report 

 of the Committee, consisting of Sir H. E. RoscoE (Chairman), Dr. Mar- 

 shall Watts (Secretary), Sir Norman Lockter, Professor Sir James 

 Dewar, Professor G. D. Liveing, Professor A. Schuster, Professor W. N. 

 Hartley, Professor Wolcott Gibbs, Sir W. de W. Abney, and Dr. W. E. 

 Adeney 161 



