Moisture at ioo° C. 

 Total phosphoric acid. 

 Available phosphoric acid. 

 Insoluble phosphoric acid, 

 Nitroeen, 



1080 — 1081. I. Acid phosphate collected at Amesbury, Mass. 

 II. Thomas slag phosphate received from Grafton. 



Moisture at 100° C. 

 Total phosphoric acid, 

 Soluble phosphoric acid, 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 

 Calcium oxide, 

 Insoluble matter, 



1082 — 1084. I. Jadoo fibre collected in Boston, Mass. 



II. Mill waste received from West Springfield, Mass. 

 III. Dried and pulverized rock weed received from 

 Marblehead, Mass. 



Moisture at 100° C. 



Phosphoric acid, 



Potassium oxide, 



Nitrogen, 



Calcium oxide. 



Magnesium oxide. 



Ferric and Aluminic oxides, 



Sodium oxide, 



Chlorine, 



*Not determined. 



