44- Sir Robert Kane on the Composition and Characters 



E. Soil from a district in Holland, where flax is well- 

 grown : — 



Composition per cent. 



Potash 0-583 



Soda 0-306 



Peroxide of iron .... 6-047 

 Oxide of manganese ... a trace 



Alumina 5-626 



Lime 3-043 



Magnesia 0-105 



Sulphuric acid 0-023 



Phosphoric acid . . . . 0*159 



Chloride of sodium . . . . 0-023 



Organic matter and water") c.qa,\ 



not expelled at 212° . J ^ "*' 



Clay 17-080 



Sand 60-947 



99-783 

 Loss 0-217 



100-000 



Mr. Marshall was also kind enough to forward to me a speci- 

 men of the kind of soil which is found deposited in the Humber, 

 and the gradual silting up of which has formed the extensive 

 flat districts reclaimed along that eastern coast. This speci- 

 men of soil, or iioarp^ as it is termed, from the operation by 

 which the ground becomes permanently gained from the sea, 

 had not yet borne any crop. It is from Crowie, in Lincoln- 

 shire. 



Its composition per cent, was found to be as follows : — 



Potash 0-534 



Soda 0-083 



Peroxide of iron .... 4-500 



Oxide of manganese . . a considerable trace 



Alumina 3-065 



Lime 5-538 



Magnesia 0-052 



Sulphuric acid 0-113 



Phosphoric acid .... 0*222 



Chloride of sodium . . . 0*067 



Organic matter and water ^ K'^xqh 



not expelled at 212° . J ^ "^^^ 



Sand 80*702 



100*204 



