iv 



Page 



All Intracellular Toxin of the Typhoid Bacillus. By Allan Macfadyen, 

 M.D., and Sydney. Kowland, M.A. Communicated by Lord Lister, 

 F.R.S 77 



The Fracture of Metals under repeated Alternations of Stress. By 

 J. A. Ewing, LL.D., F.R.S., Professor of Mechanism and Applied 

 Mechanics in the University of Cambridge, and J. C. W. Humfrey, 

 B.A., St. John's College, Cambridge, 1851 Exhibition Research 

 Scholar, University College, Liverpool 79 



On Changes in Elastic Properties produced by the sudden Cooling or 

 "Quenching" of Metals. By James Muir, B.A., D.Sc., late 1851 

 Exhibition Science Research Scholar. Communicated by Professor 

 Ewing, F.R.S 80 



Harmonic Tidal Constants for certain Australian and Chinese Ports. 

 By Thomas Wright, of the Nautical Almanac Office. Communicated 

 by Professor G. H. Darwin, F.R.S 91 



No. 469. 



On some Definite Integrals and a New Method of reducing a Function 

 of Spherical Co-ordinates to a Series of Spherical Harmonics. By 

 Arthur Schuster, F.R.S 97 



Contributions to a Theory of the Capillary Electrometer. II. — On an 

 Improved Form of Instrument. By George J. Burch, M.A. Oxon., 

 F.R.S., Lecturer in Physics, University College, Reading 102 



On the Correlation of the Mental and Physical Characters in Man. 

 Part II. Bv Alice Lee, D.Sc, Marie A. Lewenz, B.A., and Karl 

 Pearson, F.R.S 106 



Note upon Descending Intrinsic Spinal Tracts in the Mammalian 

 Cord. By C. S. Sherrington, M.A., M.D., F.R.S., and E. E. Laslett, 

 M.D., Vict 115 



The Inter-relationship of Variola and Vaccinia. By S. Monckton 

 Copeman, M.A., M.D., Cantab., F.R.C.P. Communicated bv Lord 

 Lister, F.R.S 121 



On the Similarity of the Short-Period Pressure Variation over Large 

 Areas. By Sir Norman Lockyer, K.C.B., F.R.S., and William J. S. 

 Lockyer, M.A., Ph.D., F.R.A.S. (Plates 1, 2) 134 



On the Vibrations and Stability of a Gravitating Planet. By J. H. 

 Jeans, B.A., Isaac Newton Student and Fellow of Trinity College, 

 Cambridge. Communicated by Professor G. H. Darwin, F.R.S 136 



Experiments on the Effect of Mineral Starvation on the Parasitism of 

 the Uredine Fungus, Puccinia disperse^ on Species of Bromus. By 

 H. Marshall Ward, Sc.D., F.R.S., Professor of Botany in the Univer- 

 sity of Cambridge 138 



