CONTENTS. 



VOL. IX. 



October 28, 1895. page 



Annual General Meeting 1 



November 11, 1895. 



A method of measuring the loss of energy in Hysteresis. By G. F. C. 



Searle 2 



On the forms of cubic surfaces containing 27 real straight lines. (Plates 



I— II). By W. H. Blythe 6 



Expansion produced by Electric Discharge. By Miss Martin. . . 11 



November 25, 1895. 



Exhibition of a curious specimen of Travertine lining a wooden pipe. 



By Prof. T. McK. Hughes 17 



On Symmetry in the foliage of a branch of Mulberry with asymmetry 



in the individual leaves. By Prof. T. McK. Hughes . . .18 

 The Origin of Vertebrates. By Dr W. H. Gaskell . . . .19 



December 2, 1895. 

 Discussion on Dr Gaskell's Paper 37 



January 27, 1896. 



Longitudinal Electric Waves, and Rbntgen's X Rays. By Prof. J. J. 



Thomson 49 



The Equilibrium of Isotropic Elastic Solid Shells of nearly Spherical 



form. By Dr G. Chree 61 



Distribution of Solar Radiation, and its dependence on Astronomical 



Elements. By R. Hargreaves 69 



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UN 23 1900, 



