ON THE PREVENTION OF INFECTIOUS DISEASES. 



By EUGEN HIRSCHFELD, M.D. 



[Rsad before the tiinjul Societii of Qiieensland, ISth Atufust, 1892.] 



In this Paper, written on the occasion of the Small-pox " scare" of 

 1892, the Author argued against the efficacy of the means of disinfection 

 commonly employed by Boards of Health in Australia, and suggested the 

 use of steam. 



NOTES ON THE OCCURRENCE OF A OREEN MINERAL 

 IN THE SCHISTS OF ADELAIDE ST., BRISBANE, 

 QUEENSLAND. 



By HENRY G. STOKES, F.G.S. 



[Read before the Noi/al Sodetij of Qtteensland, ISth August, 1892.] 



The mineral which forms the subject of these notes and speci- 

 mens of which are submitted for examinatioti, was first observed 

 by me some three years ago as occurring in the altered sedi- 

 mentary rocks exposed in the road-cutting in Adelaide street, 

 close to Petrie's Bight, which have been evidently subjected to 

 considerable local disturbance. The only other place in the 

 neighbourhood where it is said to occur is in the end of the 

 railway tunnel close to Creek street, but I have received no 

 evidence of the accuracy of this statement. 



In conclusion, I may mention that several very fine .speci- 

 mens of a somewhat similar description of mineral were 



