ITvOCEEDINGS OF THE CHEMICAL DEPARTMENT. 



20.°. 



Soluble in Acetic Acid. 



Peroxide of Iron, 

 Alumina, 



Lime, 

 Magnesia, 

 Potash, 

 Soda, 

 Phosphoric Acid, 

 Sulphuric Acid, 

 Chlorine, 

 Carbonic Acid, 



0-706 



0-981 



Soluble in Hydrochloric Acid. 



Silica, 



Peroxide of Iron, 



Alumina, 



Lime, 



Magnesia, 



Potash, 



Soda, 



Phosphoric Acid, 



Sulphuric Acid, 



Carbonic Acid, 



7-128 



6-740 



Insoluble in Acids. 



Silica, 



Peroxide of Iron, 

 Alumina, . 

 Lime, 

 Magnesia, . 



Organic Matter, 

 Water, 



73-015 

 1422 

 9-698 

 0-797 

 0-297 



85-229 

 4-807 

 2-130 



74-135 

 0-647 



10-238 

 0-758 

 0-278 



86-074 



. 5-035 



1-170 



Ammonia, 

 Hygrometric "Water, 

 Total Chlorine, 



Mechanical Analysis. 



Gravel, 

 Soil, - 



'Coarse Sand, 



Fine Sand, 



Clay, 

 „ Organic Matter, 



100-00 100-000 



