d5attienj3 anti Hife 



cumulative, of the best or fittest, since all would 

 be on a dead level, exactly alike., Imagine 

 what the organic world would be if there had been 

 no variation ! If we go far enough back it would 

 never had have passed the simple protozoic stage. 

 There would be no multiformity of species and so 

 complex an organism as the human animal, or, 

 indeed, any other animal or plant, would never 

 have been developed. As discontent covers the 

 mainspring actuating moral and material im- 

 provement, so does variety or variation from type 

 contain the whole essential condition which ren- 

 ders advancement at all possible. It may thus 

 easily be seen that the craving for variety has 

 a most important biological significance and is 

 perhaps part of the inherent natural craving 

 tendency of all living forms to bring about that 

 first indispensable condition out of which their 

 improvement can take its birth, and without 

 which they must remain doomed to everlasting 

 stagnation. 



And yet, though the advance from protozoon to 

 humanity has been so great, what vast and end- 

 less cumulation of selected variation remains to 

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