ASSIMILATION OF OUTSIDE MATTER. 149 



capable of overleaping a long time of abeyance, and 

 thus of enabling each impregnate ovum, or each grain, 

 to remember what it did when last in a like condition, 

 and to go on remembering the corresponding period of 

 its prior developments throughout the whole period of 

 its present growth, though such memory has entirely 

 failed as regards the interim between any two corres- 

 ponding periods, and is not consciously recognised 

 by the individual as being exercised at all ? 



