Vlll PREFACE. 



order to select such as may be beneficial, either 

 as regards his physical gratification, or his moral 

 improvement, and in order to counteract the 

 effects of others that may have a tendency to 

 limit his prosperity. From the novelty of the 

 surrounding objects, or the imperfection of his 

 implements, it is vain to suppose that his selec- 

 tion vs^ould be unerring, or his system of culture 

 invariably judicious. But unabating industry and 

 zeal remove obstacles that for ever bar the ad- 

 vance of indolence or timidity ; and if our utmost 

 exertions can perform only a part of a projected 

 task, they may, at the same time, claim the 

 praise due to the adventurous pioneer, of remov- 

 ing the difficulties in favour of our successors. 



