To HIS GRACE 



Duke of Buccleugh, 



Earl of Dalkeith and Doncaster, 



(^C. '^'C. <^'C. 



My Lord Duke, 



l^TEITHER your Grace's Birtb nor Fortune, thd 

 L ¥ the one is moft illufirious, and the other ample, 

 were the motives that induced me to heg the honour of your 

 countenance to the following Treatise, my point in vieiu 

 heiuff, I conceive, of a h/aher nature than can he derived 

 from any external advantages. TFhat I have here ivritten, 

 is the effcB of much experience, and long ohfervation, — and 

 J am made to believe, it will contribute to the general im- 

 provement of our plantations, and confequently to the public 

 hencfit. This being the principal ohjecl of the TV ork, to 

 ivhom can I infcribe it -with Jo great propriety, as to your 

 G R A G E, ivho, from the earlieft daxvn of manhood, has 



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