350 BOAED OF AGRICULTURE. 



This variety of gypsum has been of late largely sold in the 

 western and central part of the State. It is well spoken of 

 by those who have used it; its cost — six dollars per ton 

 of 2,000 pounds — compares well with that of Nova-Scotia 

 gypsum. 



Orcen-Mnuntain Odorless Fertilizer. 



(George W. Maynard, General Agent, Lawrence. Sent on from Secretary Russell.) 



Per cent. 



Moisture at 100° C, 14.24 



Moisture at red heat, 18.72 



Sulphuric acid, 2.62 



Calcium oxide, 40.32 



Chlorine, 7.87 



Potassium oxide, 1.87 



Phosphoric acid, Trace. 



Insoluble matter, 4.98 



Ferric oxide, Trace. 



Sodium oxide, 6.83 



The manufacturer of this article states that salt, wood-ash 

 and burnt lime, mixed in certain proportions, and after a 

 manner of his own, constitute the principal ingredients of it. 

 The analysis apparently confirms this statement. 



South Carolina Phosphate. 



(Sent on for examination from Boston.) 



Per cent. 



Moisture, 120 



Loss by calcination, 3.48 



Total phosi)hoiic acid, 28.69 



Insoluble matter, 9.18 



This sample represents a high grade article of its kind. 

 Apatite (Canada). 



(Sent on for examination.) 



Per cent. 



Phosphoric acid, 37.32 



Calcium oxide, 65.35 



Chlorine, insoluble matter, - 



This specimen is rather of an exceptiomfl character. The 

 apatite obtained in Canada, and offered for sale to phosphate 

 manufacturers, is more or less associated with silicous rocks, 

 and quite difficult to pulverize. 



