72 



THE CHEMISTRY OF THE FARM. 



shown in the following table. The figures given are in 

 every case the mean of a large number of analyses. 



PERCENTAGE COMPOSITION OF ORDINARY FOODS. 



The soluble carbo-hydrates in the above table include 

 stare h, pectin, and the finer parts of the fibre ; these are 

 not soluble in water, but are dissolved by the weak acid and 

 alkali employed by the analyst to separate the coarse fibre. 



