82 



STATES OF THE RIVER PLATE. 



MlNEBALS IN THE ASH OF 



FLESH. 



Phosphoric acid 



Potash 



Earths and iron 



Sulphuric acid . 



Chloride potassium . 



BLOOD OF SHEEP. 



Phosphate of soda 

 Common salt . 

 Sulphate of soda " 

 Phosphate of lime 

 Magnesia and iron . 



NUTRITIVE CONSTITUENTS OF FAT MUTTON. 



Albuminous or nitrogenous compounds, and sulphur, j Proportion 10 parts 

 ditto, in the flesh J 



Fat 



27 



WOOL CONTAINS: 



Hydrogen and carbon 

 Nitrogenous compounds 

 Sulphur . 



57-67 



..... 17-72 

 . 24-61 



100-00 



From a study of the foregoing, it will be seen that 

 vegetable substances contain certain mineral constituents 

 in various proportions. These they draw from the earth, 

 and they are essential to the building up of the plant. 

 The other constituents are the nitrogenous compounds, 

 derived under the influence of light, heat, &c. from the 

 ammonia contained in the atmosphere ; and the non- 

 nitrogenous, the hydro-carbons, such as starch, &c. derived 



