DEVELOPMENT BY NATURAL SELECTKHL 



Equally without 



of indefinitely repeated focal or 



structure or death. I 



phenomena are present 



world; but, if sc\ we have not as yet 



them rightly, and when we do 



outlook on inorganic 



put the matter in another 



mental significance and importance ate ckaity 



in the study of firing organisms^ and awe mot 



been revealed in the study of 



though perhaps they are beginning to 



recent work on the constitution of 



we therefore see deeper into the 



in the physical 



In the ordinary physical or mrrfcmmical tiuiUfcMA at 

 Nature we content omsdNres with xwr 

 knowledge such as that i^NsaA^ lor 

 the gas-law equations or by the law of 



