CHAPTER V. 



OF KEHtOOOCIIfK UXTTS AXD OF CELLS. 



of 

 ban of *icstng spare* in 



THE mere firm, therefore, of living things, or of 

 the active elemental parts of higher organisms, 

 las lost its importance. Vital manifestations are now 

 known not to be dependent upon visible organization 

 of any kind; they are the resorts of peculiar molecular 



