76 Power of Soils to Absorb Moisture. 
100 grains of dry matter, on analysis, gave, of 
Organic matter, ... 
- 15-92 
Silica, .... 
72-76 
Peroxide of iron and alumina, - 
- 7-76 
Potash, .... 
1-26 
Carbonate of lime, 
. 0-86 
Magnesia, .... 
0-28 
Soluble silica, ... 
. 0-35 
Phosphate of alumina and iron, 
0-43 
99-62 
These soils are all rather deficient in lime and magnesia. 
Amount of Water taken up by Clays examined. 
Albany blue clay. — 100 grains saturated with moisture gave, of 
Water, - - 
. 
31-84 
Dry matter, . . - 
68-16 
100-00 
100 grains, nearly dry, gave, on analysis, 
of 
Water and organic matter, 
. 
5-28 
Silica, .... 
. 
52-44 
Alumina and Peroxide of iron, • 
. 
32-28 
Carbonate of lime. 
. 
8-00 
Magnesia, . . , - 
. 
trace. 
Potash. .... 
. 
trace. 
Phosphates, .... 
trace. 
*98-00 
Red clay, Christian Hollow. — 100 grains 
saturated with moist- 
ore gave, of 
Water, 
. 
28-767 
Dry matter, 
- 
71-233 
100-000 
100 grains partly saturated gave, on analysis. 
Water, - 13.64 
Organic matter, .... 2-72 
Alumina and peroxide of iron, - - 27*40 
Carbonate of lime, ... 8*20 
Potash, - ... . - 2-60 
• Analysis by Prof. Emmons. 
