VI CONTENTS. 



May 17. ^Alfred Barton Rexdle — The Story of a Grass ;')<"• 



24. — Lieut. -Col. A. (t. Hadcock — Internal Ballistics 30.) 



., M. — Laurence Bixyox — Poetry and Modern Life ... ^li'.* 



June 3. — General Meetins: ... ... ... ... ... :'>'2<' 



„ 7. — Sir Bovertox Redwood— The Romance of Petro- 

 leum ... ... ... ... ... ... :]2d 



July 1. — General Meeting ... ... ... ... ... :)■[[) 



Xov. 4. — General Meeting ... ... ... ... ... :>.51 



Dec. 2. — General Meeting ... ... ... ... ... 3r).> 



1919. 



1919. 



Jan. 17. — Sir James Dewar — Liquid Oxygen in ^Yarfare ... iVJl 



„ 24. — LiEUT.-CoL. Andrew Balfour— One Side of War 4(t7 



,, 31. — H. H. Turner— Giant Suns 411 



Vv\) 3. — General Meeting ... ... ... ... ... 421 



„ 7. — J. G. Adami — Medical Research in its relationship 



to the War 424 



., 14. — Cargill G. Knott — Earthquake Waves and the 

 Interior of the Earth 



„ 21. — A. T. Hare — Clock Escapements 



,, 28. — Sir OiiivEU Lodge — Ether and Matter ... 



March 3, — General Meeting 



7. — H. C. H. Carpenter — The Hardeninu- of Steel 



440 



id 



4.".4 



478. 

 481 



14. — Sir Arthur Keith — The Organ of Hearin.u' from 



a New Point of View aOfi 



