THE BEGINNINGS OF LIFE. 41 



between such material collocations and their environ- 

 ment, leading to further combinations, and as a result 

 living matter appears. Such a tendency to undergo 

 change is inherent in colloidal compounds. As Prof. 

 Graham told us: c Their existence is a continual 

 metastasis. . . . The colloidal is, in fact, a dynamical 

 state of matter, the crystalloid being the statical con- 

 dition.' 



