DARWIN'S BIOGRAPHY. 443 



expressed in speech. This period lasts from 

 the time of his return, when he starts to elab- 

 orate his acquisition, till the publication of the 

 Origin of Species when Evolution leaps forth 

 into the light of Heaven fully evolved and 

 categorized, ready to undergo still new Evo- 

 lutions. 



We are first to keep in mind that here in 

 particular run the following streams of Evo- 

 lution, one alongside the other, or perchance 

 one beneath the other. First is the objective 

 or physical Evolution, that of Nature, which 

 is properly the theme. Then there is the per- 

 sonal Evolution, very important, but kept un- 

 derneath, though it is really the working prin- 

 ciple which drives the whole machinery. For 

 it is Darwin's Ego which is re-creating the 

 creative principle of Nature and giving ade- 

 quate utterance to the same ; the evolver he is, 

 who while evolving Nature is himself evolved. 

 None of these sides can be left out in a com- 

 plete statement of the Darwinian process ; all 

 belong to the Biocosmos which has to present 

 the psychical Evolution of the individual 

 evolver as he evolves physical and perchance 

 universal Evolution. 



From the foregoing account it is evident 

 that the reader must keep before himself no 

 less than three Evolutions: (1) the original 

 elemental Evolution of Nature herself which 



