346 [Senate 



9. — Rice Soil from Matanzas on the Main. 



Silica, with fine sand as above 60 .50 



Alumina, partly combined with humic acid 8.15 



Peroxide of iron (combined with humus,) with decided traces 



of phosphate of lime .... , , 3 . 00 



Carbonate of lime, with traces of magnesia . 85 



Water of absorption, 9 .00 ' 



Humus, 18.50^ ^^-^^ 



Chloride of calcium and of sodium, } i •, , ^^ 



c 1 1 4. 1 u } and loss, 1.00 



bulphates nearly as above, ) ' 



101.00 

 10. — Rice Soil from Dr. Parker. 



Silica, with fine sand, as above 41 .25 



Alumina, (combined with humus,) 9 . 25 



Peroxide of iron, (combined with humus) 3.30 



Phosphate of lime 0.55 



Carbonate of lime . 85 



Carbonate of magnesia 0.45 



Water of absorption, 9 .50 ? 4.^ no 



Humus, (with odor of ammonia,) 33 .50 ••••••• 



Chloride of calcium, abundant, 



Chloride of sodium, 

 Sulphate of lime, .... 

 Sulphate of magnesia, , 

 Sulphate of potassa, , 



■ and loss, 1 . 36 



100.00 



Additional particulars, with some consequences from the foregoing. 



[1.] 100 parts by weight of rough rice, (from which the remains 

 of stems and glume-leaflets had been separated,) gave 



82 . 10 parts of grain, and 

 17.90 " husk. 



100.00 

 [2] 100 parts of unhusked grain, gave 



95.238 parts of non-cotyledonous grain, and 

 4.762 " cotyledons, or eyes. 



100.000 

 [3.] 100 parts of non-cotyledonous unhusked grain, gave 



94.3 of grain without husk, cotyledon or epidermis, 

 5 .7 of epidermis, or inner coat. 



100.00 

 [4.] 100 parts of rough rice, then has 



17.900 husk. 

 3.909 cotyledon. 



