BY E. HIRSCHFELD, M.I). 7 



pitiful to see almost daily fine lives that simply have been 

 thrown away through s-heer ignorance. But a brighter future is 

 in store for us. Since the discovery of the tubercle bacillus and 

 the modes of infection, the eftbrts for the prevention of consump- 

 tion have led to an appreciable decrease in the mortality from 

 the disease during the last 15 years. Man, not Nature, has 

 created tuberculosis, and it behoves man to retrieve the errors 

 of the past. 



NOTES ON SOME MODERN EXPLOSIVES. 



By T. McCALL, 



ASSISTANT Government Analyst. 



[Read before tJx: Iloi,''!. SoriHij of (Jueoislaud, ll'th March, 1900»] 



4»y 



