THE ORGANIC AND THE INORGANIC 341 



direction and co-ordination of energies ; if it is a 

 tendency of the same order, but of a different direc- 

 tion, from the tendency of inorganic processes, all that 

 biology can usefully do is to inquire into the manner 

 in which this tendency is manifested in material things 

 and energy-transformations. But the tendency itself 

 is something elemental. 



