1889.] 



PUBLIC DOCUMENT — No. 33. 



217 



One hundred parts of the ash contained (I.) : — 



Potassium oxide, . 

 Sodium oxide, 

 Calcium oxide. 

 Magnesium oxide, 

 FeiTic oxide, 

 Sulphuric acid. 

 Phosphoric acid, . 



Per cent. 



4 842 

 12.050 

 2.691 

 2.753 

 .338 

 7.986 

 6.240 



Mud. 



Soil from a Diked Marsh. 



Moisture at 100° C, 



Ash, 



Calcium oxide. 



Potassium oxide, 



Phosphoric acid, 



Nitrogen, 



Insoluble matter, 



Per cent. 



33.40 

 7.85 

 1.24 

 .26 

 .13 

 1.64 

 3.65 



