BY R. GREIG-SMltH. 



163 



Sodium bicarbonate. — Portions were moistened with 10 c.c. of 

 alcohol, and treated with 100 c.c. of water containing 1 gram of 

 bicarbonate of soda, for five days. 



Heated 165 



Control 121 



Other portions were moistened with 5 c.c. of alcohol, and 

 treated with 200 c.c. of water containing 8 grams of bicarbonate. 



Heated 82-4 



Control ... 75-5 



Alcohol. — Portions were shaken up with 200 c.c. of neutral 

 spirit and allowed to stand overnight. 



Heated 9-4 



Control 4-0 



Water, — Portions were shaken up with 500 c.c. of water and 

 allowed to stand overnight. 



Heated 241 



Control 9-2 



Liine-24jater.—V ovtiow^ were treated with 200 c.c. of N/21 

 lime-water and allowed to stand overnight. 



Heated 383 



Control 362 



The numbers obtained with lime-water were so high, that the 

 experiment was repeated. The four grams of leaf-mould were 

 shaken with 300 c.c. of approximately N/24 lime-water, and due 

 allowance was made for the amounts removed in the portions of 

 fluid abstracted. 



Normal alkali, in c.c, absorbed by 100 grams of dry organic 

 matter. 



This confirms the previous test in showing that a compara- 

 tively large amount of lime is removed from solution, and that 



