Power of Soils to Absorb Moisture. 73 
Soluble in dilute acid, before burning, 
Alumina and oxide of iron, - - 1*93 
Carbonate of lime, ... 4'37 
6-30 
Peat from South Norwall. — 100 grains saturated with moisture 
gave, of 
Water, 70-75 
Dry matter, ... - 29-25 
100-00 
Peat from Schoharie. — 100 grains saturated with moisture 
gave of 
Water, 58-77 
Dry matter, . . - . 41-23 
10000 
This specimen was coarse, and only partially decomposed. This 
will account for the smaller amount of water it took up than the 
two preceding. 
Amount of Water taken np by Marl examined. 
Marl, Saratoga county. — 100 grains saturated with moisture 
gave, of 
Water, 64-92 
Dry matter, . - , , 35-08 
100-00 
100 grains nearly dry, gave, on analysis, 
Water, 
. 2-32 
Organic matter, 
3-40 
Oxide of iron and alumina. 
- 1-24 
Carbonate of lime, 
85-62 
Magnesia, ... 
- 3-80 
Insoluble matter, 
3-40 
*99-78 
* Analysis by Prof. Emmons. 
