IV CONTENTS. 



1911. PAGE 



April 7. — Professor Sir J. J. Thomson — A New Method 



of Chemical Analysis ... 140 



„ 28.— Professor W. M. Flinders Petrie— The Revo- 

 lutions of Civilization ... ... ... ... 149 



May 1. — Annual Meeting ... ... ... ... ... 1,51 



„ 5. — Professor Martin 0. Forster— New Organic 



Compounds of Nitrogen ... ... ... ... 1.52 



„ 8.— General Meeting 162 



„ 12. — Professor William Stirling — Biology and the 



Cinematograph ... ... ... ... ... 166 



„ 19. — Professor R. W. Wood — Recent Experiments 



with Invisible Light ... ... ... ... 180 



„ 26. — Professor Gilbert Murray — The Greek Chorus 



as an Art Form ... ... ... ... ... 192 



June 2.— Commendatore G. Marconi — Radiotelegraphy ... 193 



„ 9.— Professor Svante Arrhenius — Applications of 



Physical Chemistry to the Doctrine of Immunity 210 



„ 12.— General Meeting 237 



July 3. — General Meeting ... ... ... ... ... 241 



Nov. 8.— General Meeting 244 



Dec. 4. — General Meeting ... 251 



1912. 



1912. 



Jan. 19. — Professor Sir James Dewar— Heat Problems 579 



„ 26. — Professor Bertram Hopkinson — The Pressure 



of a Blow 275 



Feb. 2. — Sir James Mackenzie Davidson — Vital Effects 



of Radium and other Rays ... ... ... 291 



