THE RELATIONS 



OF 



NATURAL HISTORY. 



LECTUKE I. 



NATURAL HISTORY AS RELATED TO INTELLECT. 



ON the banks of the Tigris there is the palace of 

 a king who has no successor among the living mon- 

 archs, and his subjects have long since ceased to be 

 reckoned among the powers of the world. For 

 more than two thousand years earth and rubbish 

 have covered its ruined walls, and filled its winding 

 galleries that once echoed to the tread of busy life. 

 Its site even became unknown to those who pitched 

 their tents by its side, or buried their dead in the 

 mound that inclosed its foundations. But this 

 burying-place of former grandeur, and of the pass- 



