126 QUAllTERLY JOURNAL. 



Composition in 100 parts, as follows : 



Silica, 84 .75 



Potassa, with probable traces of soda, combined with the 



the above silica, 8.69 



Phosphate of lime, with traces of oxide of iron (and 



manganese,) 2 . 00 



Carbonate of lime, 2 . 00 



Alumina, in traces, . . . . ^ 



Phosphate of potassa, . . | 



Carbonate of potassa, . . |- and loss, 2 .56 



Sulphate of potassa, . . . 



Chloride of potassium, 



100.00 

 7. — Rice Soil from Waverly Island. 

 Silica, with fine sand, one-third of which is feldspathic "j 



and slightly magnesian or talcose ; and contains alu- } . -, „p^ 

 mina with from 2 to 4 per cent of potassa, mingled i 



with soda and magnesia, J 



Alumina, partly combined with humic acid, 12.35 



Peroxide of iron (combined with humus,) with decided 



traces of phosphate of lime, (bone-earth,) 4.15 



Carbonate of lime, with traces of magnesia, 0.40 



Water of absorption, .... 8.50^ 09 nn 



Humus, (organic matter,) 23 .50 ^ '^' 



Chloride of calcium. 

 Sulphate of lime, . . . 



Sulphate of magnesia, \ and loss, 1 . 35 



Sulphate of potassa, . 

 Chloride of sodium, . 



100.00 

 8. — Rice Soil from Woodville, Mai7i, Waverly. 



Silica, with fine sand, as above, 57 .50 



Alumina, partly combined with humic acid, 10.45 



Peroxide of iron (combined with humus,) with decided 



traces of phosphate of lime, 4 . 60 



Carbonate of lime, .40 



Carbonate of magnesia, 0.58 



Water of absorntion, 7.50 ? of; qn 



Humus, ......... ..17.80^ ^^"^^ 



Chloride of calcium, ) 

 Sulphate of lime, .... | 



Sulphate of magnesia, )■ and loss, 1 . 17 



Sulphate of potassa, . . | 



Chloride of sodium, . . j 



100.00 



