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The following communication was made too late to be inserted 

 in the body of our volume. It is too valuable to he omitted ; and 

 is added, by direct ton of the Society. 



Philadelphia, Sept. 13, 1818. 

 Dear Sir, 



Knowing the active interest you take in the progress 

 of American agriculture, I am persuaded you will re- 

 ceive with some degree of satisfaction the two following 

 observations, which I had occasion to make, in my last 

 ramble through Pennsylvania and New Jersey. They 

 may be of some utility in future times ; and perhaps you 

 may think that they deserve being proposed, as objects 

 of experiment and inquiry, to the zealous members of 

 our Society. 



It is useless to recall the importance of having useful 

 plants fit for every kind of soil, chiefly for the least fer- 

 tile ; it is useless also to recall the importance of the ve- 

 getables that feed the cattle, in every system of husban- 

 dry. I will only demand your attention to the immense 

 quantity of sandy soil, that occupies all your coast, from 

 the Neversink highlands to St. Mary's, more than seven 

 hundred miles in length, and a medium breadth of sixty 

 miles. In all this wide-extended tract, the excellent 

 <ystern of husbandry, founded on plaster and clover, i^ 



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