DISCOVERIES 



OF 



hlsconceptions regarding the properties of 



Hatter Within the Science of 



Chehistry 



BY 



EMMA G. TODD 



Addressed to the Council of the Academy of Sciences, 

 San Francisco, Cal., March I, 1898. 



San FranCISCO, CaL.: 



Till; WHITAKER ^ RAY COMPANY 



Publishers* 



