1889.] 



PUBLIC DOCUMENT — No. ^ 



583 



The samples were received in an air-chy state. Accord- 

 ing to statement, I. had been dried without any serious 

 exposure to bad weather; II. had suffered from exposure 

 for a considerable leno-th of time. 



Cotton-seed Meal (for mamirial purposes). 



[I. Sent on by Geo. Frost, Boston, Mass. II. and III. Sent on by C. L. Warner, 



Hatfield, Mass.] 



Refuse CameVs Hair from Cotton-seed Oil Works. 



[Sent on by W. H. Bowker, Boston, Mass.] 



Per cent. 



Moisture at 100° C, 8.80 



Ash, 7.25 



Nitrogen, 5.92 



Potassium oxide, 2.56 



Phosphoric acid, 2.77 



Insoluble matter, 1,27 



Castor Pomace. 



[Sent on by Benj. M. Waraer, Hatfield, Mass.] 



Per cent. 



Moisture at 100° C, 8.67 



Ash, 6.70 



Nitrogen, 5.72 



Phosphoric acid, 1.57 



Potassium oxide, .97 



Calcium oxide, .71 



Magnesium oxide, .65 



Insoluble matter, 1.21 



