8 



The material is represented to be obtained from an island in the 

 West Indies ; it contains a considerable amount of carbonate of lime 

 like the majority of phosphates from that locality. Its mechanical 

 condition is favorable for a direct application on grass land. 



599. " MUD CRAB." 



Sent on from Eastham, Mass. 



Per Cent. 



Moisture at 100^ C, 7.67 



Ash, 6.71 



Total phosphoric acid, 1.25 



Soluble '' '^ 0.28 



Reverted " " 0.62 



Insoluble " " 0.35 



Nitrogen, 8.84 



Insoluble matter, 0.91 



The material sent on is essentially a nitrogen-furnishing source of 



plant food, and ought to be largely supplemented with phosphoric 



acid and potash salts to secure its ecouomical application as a manure. 



600. CRANBERRY VINES. 



Sent on from Eastham, Mass. 



Per Cent. 



Moisture at 100^ C, 13.07 

 Nitrogen, .77 



Ash constituents, 2.45 

 Ferric oxide, .087 



Calcium oxide. .404 



Pliosphoric acid, .268 



Magnesium oxide, .253 



Sodium oxide, .080 



Potassium oxide, .329 



Insoluble matter, .834 



The material was sent on to ascertain its composition with reference 



to its fertilizing constituents. The large amount of insoluble matter 



of the ash is due to the presence of soil. 



601. OAK LEAVES. 



Sent from Forestdale, Mass. 



Per Cent. 



Moisture at lOO'' C, 9.601 



Organic matter, 83.360 



Mineral matter, 6.840 



Ferric oxide, 0.027 



Calcium oxide, 0.548 



Magnesium oxide, 0.267 



Potassium oxide, 0.549 



