Skin Changes. 



115 



selfishness is not only advantageous, but perhaps 

 has been necessary to the continuance of the race. 

 Creatures capable of feeling at all have a sort of 

 spiritual as well as physical rejuvenescence at this 

 season, for reproduction is a universal fact. It is an 

 essential part of the activity of every living being, 

 and in all its manifestations claims the supremacy 

 of universality. It is not a local expression, even 

 in the individual. It reaches to the 

 centre of existence, and affects every 

 part of the being, mental, 

 moral, and physical. 



Sr^r 



