CONTENTS. 



1900. PAGE 



June 8. — Allan Macfadyen, M.D. — The Effect of Physical 

 Agents on Bacterial Life 



„ 11. — General Monthly Meeting 



July 2. — General Monthly Meeting 



Nov. 5. — General Monthly Meeting 



Dec. 3. — General Monthly Meeting 



448 

 458 

 461 

 465 

 470 



1901. 

 1901. 

 Jan. 18. — Professor Dewar — Gases at the Beginning and 



End of the Century 730 



tin consequence of the lamented death of Her Majesty the 

 Queen, the Patron of the Institution, there were no Evening 

 Meetings on January 25 and February 1.] 



Feb. 4.— General Monthly Meeting 481 



„ 8. — Professor G. H. Bryan — History and Progress of 



Aerial Locomotion .. .. .. .. 487 



„ 15. — The Eight Eev. Monsignor Gerald Molloy — 



Electric Waves .. .. 493 



„ 22. — Sir W. Eoberts-Austen — Metals as Fuel .. 496 



March 1. — Henry Hardlnge Cunynghame, Esq. — Enamels .. 510 



„ 4.— General Monthly Meeting 522 



„ 8. — W. A. Shenstone, Esq. — Vitrified Quartz .. 525 



j, 15. — Major Alfred St. Hill Gibbons — Through the 



Heart of Africa from South to North .. .. 532 



„ 22. — Horace T. Brown, Esq. — Some Eecent Work on 



Diffusion 547 



