•266 AGRICULTURAL EXPERIMENT STATION. [Jan. 



5. Analyses, etc. — Continued. 



South Carolina PJwsphate. 

 [Sent on from Amherst, Mass. I., finely ground " Floats ; " II., Apatite.] 



Mona Island Guano. 

 [Sent on by J. Campbell & Co., New York, N. Y.] 



Moisture at 100° C , 



A.sh, 



Total phosphoric acid, 



Soluble i^hosphoric acid, .... 



Reverted 2)hosphoric acid (J\ cents j^er pound). 



Insoluble phosiDhoric acid (3 cents per pound), 



Calcium oxide. 



Potassium oxide. 



Nitrogen (17 cents jjcr jwund), 



Insoluble matter, . 



Valuation per ton, . 



Per Cent. 



12.52 



75.99 



21.88 



.00 



7.55 



14.33 



37.49 



Trace. 



.76 



2.45 



$22 50 



