PREFATORY NOTE. 



SIB : I beg to place before you for your inspection and approval the 

 report of Dr. 0. A. Crampton, containing the data collected at the Des 

 Lignes Plantation of Shattuck & Hoffman during the manufacturing 

 season of 1888. 



Although the manufacturing results were favorable, the proprietors 

 of this plantation have decided to displace their roller mills and substi- 

 tute therefor a diffusion battery. The data herein contained will be 

 found of value especially by those planters who contemplate changing 

 from milling to diffusion. 

 Eespectfully, 



H. W. WILEY, 



Chemist. 

 Hon. J. M. EUSK, 



Secretary of Agriculture. 



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