108 PROTOPLASM HISTORY SINCE 1860. 



does not go deeper than this, and fails to tell us what life 

 [vitality] is, if not a property of nitrogenous matter, nor how 

 many kinds of nitrogenous matter may manifest vitality 

 although nfot as a property. I presume, however, that the 

 above may be taken to be an objection to the theory of the 

 living matter being anatomically one. Why does he not say 

 more clearly what he means 1 



