NUCLEOPROTEINS 97 



process that cannot be tested by the static means of isolation. 

 Other ways may have to be sought. 



If I have touched so Ughtly upon so few aspects of an important 

 problem, I must apologize; and I must apologize even more for 

 dealing only with matters with which my colleagues and I have 

 been directly concerned. But what sense would there have been in 

 trying to outrun a mastodon in two volumes?^ What such a treat- 

 ment loses in validity, it may gain in intensity. For if there is one 

 thing that I have learned during a life in science it is that even in 

 the tiniest splinter there may mirror itself an entire world. 



References p. 98 



