8 



Per Cent. 

 I. 1 



Moisture at 100° C, 



Total Phosphoric acid, 

 Soluble Phosphoric acid. 

 Reverted Phosphoric acid. 

 Insoluble Phosphoric acid. 

 Potassium oxide, 

 Nitrogen, 



MUCK AND MARL. 



1042-1045. 



I. Muck from Salt Marsh, received from Mattapoisett, Masa. 

 II. Mud, received from Cummington, Mass. 

 III. and IV. Muck, received from Millington, Mass. 



