CONTENTS. 



1911. 



1911. PAGE 



Jan. 20. — Peofessoe Sie James Dewar — Chemical and 



Physical Change at Low Temperatures 256 



„ 27. — Peofessoe William H. Beagg — Eadioactivity as 



a Kinetic Theory of a Fourth State of Matter ... 1 



Feb. 3. — Aethur E. Shipley— Grouse Disease 11 



„ 6. — General Meeting ... ... ... ... ... 27 



„ 10.— Sie Sidney Colvin — Robert Louis Stevenson ... 38 



„ 17. — Peofessoe Heney E. Aemsteong — The Stimula- 

 tion of Digestive Activity 53 



„ 24.— Peofessoe Jean Peeein— Mouvement Brownien 



et ReaUte Moleculaire ... ... {In French) 54 



March 3.— F. A. Dixey — The Scents of Butterflies 73 



„ 6. — General Meeting 86 



„ 10. — The Hon. Charles A. Parsons— Recent Ad- 

 vances in Turbines 71 



„ 17. — John H. Balfoue-Browne — Water Supply ... 99 



„ 24.— Sir David Gill — The Sidereal Universe ... 116 



„ 31.— Professor H. S. HELE-SHAW^Travelling at 

 High Speeds on the Surface of the Earth and 

 above it ... 117 



April 3. — General Meeting ... .. 136 



4 0}L>6 



