TO THE MEMBERS OP THE CHEMICO-AGRICULTUKM, 

 SOCIETY OP ULSTER. 



My Lords and Gentlemen, — 



As you have afforded abundant proofs of zeal for the difiusion of 

 agricultural knowledge, and as it is your efforts that have mainly 

 contributed to promote that desire for more extended information 

 in the scientific principles of their profession, which at present 

 prevails among the farmers in the North of Ireland, I take the 

 hberty of dedicating to you this httle Work, which I trust may, 

 in 'some degree, prove instrumental in rendering this knowledge 

 m.ore accessible to all classes of our coimtrymen. 



I have the honour to be, 



My Lords and Gentlemen, 



Your moat obedient servant, 



JOHN P. HODGES. 

 Belfast, November 1, 1348. 



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