48 Phosphate Rocks in South Carolina, 
although not absolutely wanting, the others will not 
be lost. This,and the development, by proper means, 
of such substances as may already exist in the soil, 
are the only rational remedies.” 
We are, fortunately, in possession of a vast amount 
of information relating to the chemical composition 
of cultivated plants, and it will be interesting to pre- 
sent here the analyses of some of those that con- 
stitute our principal crops. 
Analyses of the various Guanos, Fertilizers, Marls, 
Limes, etc., etc., are also here introduced for the 
benefit of the agriculturist. 
Analysis of Santee Cotton Wool, by Prof. Shepard, 
under the direction of the Black Oak Agricultural 
Society : 
Carbonate of Potassa, (with possible traces 
of Soda,) ; : : ; 44.19 
Phosphate of Lime, (with traces of Mag- 
nesia,) : 4 ’ ; hag 
Carbonate of Lime, : 4 ; 2) OEOg. 
Carbonate of Magnesia, : : ; e685 
Silica, 7% ; : ; : ; : ft iA 
Alumina, (probably accidental,) _. : - de4O 
Sulphate of Potassa, : : a ee. 
Chloride of Potassium, 
Chloride of Magnesium, 
Sulphate of Lime, Vaanrilosseet Mivabe 
Phosphate of Potassa, 
Osade vor Lime, (in 
minute traces, ) J) 
