CONTENTS OF VOL. XIV. FIFTH SERIES. Vll 



Page 



J. E. Steggall's Questions in Pure Mathematics proposed 

 at the B.A. and B.Sc. Pass and Honours Examinations 

 of the University of London, with complete Solutions. 476 



Prof. J. Morris's Geological Chart 476 



Proceedings of the Geological Society : — 



Prof. T. G. Bonney on the Hornblendic and other Schists 

 of the Lizard District, with some Additional Notes on 



the Serpentine 477 



On Mr. C. "W. Siemens's New Theory of the Sun, by M. G. A. 



Him 478 



Eeply to M. Eaye's Objections to Mr. Siemens's Theory of the 



Sun, by C. W. Siemens 480 



On a Property of the Coefficient of Absorption, by Eilhard 

 Wiedemann 483 



ERBATA. 



Page 217, line 10, for ^J put g. 



— 221, Hue 4, for cos (2<b +28) put sin (2g> + 28). 



— 222, line 4, for cos 2 8 put cos 2 28. 



— 223, line 30, for t? read ¥-tj bis. 



