PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



VOL. LXXIII. 



No. 493. 



CONTENTS. 



PAGE 



On a Criterion which may serve to Test various Theories of Inheritance. By 



Karl Pearson, F.R.S., University College, London .... 262 



Some Uses of Cylindrical Lens-Systems, including Rotation of Images. By 

 GrEORG-E J. Burch, M.A., D.Sc. Oxon, F.R.S., Lecturer in Physics, 

 University College, Beading 281 



On the Effect of a Magnetic Field on the Bate of Subsidence of Torsional 

 Oscillations in Wires of Mckel and Iron, and the Changes Produced by 

 Drawing and Annealing. By Professor Andrew G-ray, F.B.S., and 

 Alexander Wood, B.Sc 286 



A Radial Area-Scale. By R. W. K. Edwards, M.A. Communicated by 



Professor A. 0-. Greenhill, F.R.S 292 



On the Compressibility of Solids. By J. Y. Buchanan, F.R.S. . . . 296 



May 7, 1904. 



Price One Shilling and Sixpence. 



