Moisture at ioo°C, 

 Potassium oxide, 

 Magnesium oxide, 

 Sulphuric acid, 

 Chlorine, 

 Insoluble matter. 



Note. — Sample II is not muriate of potash, as the name would indi- 

 cate, but sulphate of potash-magnesia or low grade sulphate of potash. 



GROUND BONE AND GROUND MEAT AND BONE. 



1729-1731. I. Meat and bone, received from Rochester, Mass. 

 II and III. Ground bone, received from Easthampton, Mass. 



MISCELLANEOUS MATERIAL. 



1732-1737. I. German peat moss, received from Townsend 

 Harbor, Mass. 

 II. River mud, received from Bondsville, Mass. 



III. Wool mill refuse, received from Webster, Mass. 



IV. Charcoal, received from Springfield, Mass. 



V. Nitrate of soda, received from West Millbury, 



Mass. 

 VI. Burned bone, received from Taunton, Mass. 



Not determined. 



