CONTENTS. 



The National Museum of the Orange River Colony : B. O. Kellner, 

 M.D 



Helium in Potash deposits 



Sterilisation of water supplies 



Celestial Chemistry : C. F. Juritz, M.A., D.Sc, F.T.C. 



Practical Education : T. W. Lowden 



Professor Cannizzaro 



Kalver-bosje {Pelargoniuin sidoiJe 

 Organisation of Science 

 Celestial ejectamenta 

 Transactions of Societies 

 Addresses Wanted 



s, DC.) : J. Burtt-Davy, F. 



L.S. 



359 

 363 

 363 

 364 

 384 

 ?,i7 

 388 

 388 



389 

 390 

 390 



