LAW OF CONSERVATION REALIZED. 73 



in combination would fall through a less space. The 

 hypothesis is, I confess, sufficiently crude at present, but 1 

 conceive that ultimately we shall be able to represent the 

 whole phenomena of chemistry by exact numerical express- 

 ions, so as to be enabled to predict the existence and 

 properties of new compounds. 



" j- p- J- 



"August, 1893." 



