CONTENTS Vll 



1916. PAGE 



March 10. — Sir Napier Shaw — Illusions of the Upper Air ... 603 



„ 17. — Aubrey Strahan — The Search for New Coal 



Fields in England 625 



„ 24. — Professor W. M. Bayliss — The Mechanism of 



Chemical Change in Living Organisms ... 681.) 



„ 31. — Professor A. Fowler — Spectroscopy ... ... 644 



April 3. — General Meeting 656 



„ 7. — William Samuel Lilly — A Plea for War ... 659 



„ 14. — Professor Sir J. J. Thomson — The Genesis and 



Absorption of X-Rays ... ... ... ... 716 



May 1. — Annual Meeting 660 



„ 5. — Sir James Mackenzie Davidson — Electrical 



Methods in Surgical Advance ... ... ... 662 



„ 8. — General Meeting 668 



„ 12. — Arthur C. Benson — Vulgarity 672 



„ 19. — Colonel Bdmond H. Hills — ^The Movements of 



the Earth's Pole 673 



„ 26. — Professor Charles G. Barxla — X-Rays ... 716 



June 2. — Lieut. Paul Hyacinthe Loyson— La France 



dans I'Histoire comme Champion du Droit ... 715 



„ 5. — General Meeting ... ' ... ... ... ... 685 



„ 9. — Ernest Clarke — Eyesight and the War ... 668 



July 3. — General Meeting 702 



Nov. 6. — General Meeting 707 



Dec. 4. — General Meeting 713 



HoDGKiNS Essay — Professor H. E. Armstrong ... 735 



Index— Vol. XXL 827 



