VII "THE ORIGIN OF SPECIES " 243 



shall be prepared to congratulate the venerated 

 author of the book, not only that the greatness of 

 his achievement and its enduring influence upon 

 the progress of knowledge have won him a place 

 beside our Harvey; but, still more, that, like 

 Harvey, he has lived long enough to outlast 

 detraction and opposition, and to see the stone 

 that the builders rejected become the head-stone 

 of the corner. 



