FOOD AND DIGESTION 



47 



the animal on gelatin plus a suitable amount of an 

 ammo acid, which diet maintains health. The follow- 

 ing tables copied from Jones and Bunce will be useful 

 for reference : 



COMPOSITION Or MILK 



HUMAN 



cow's 



Theoretically peas should be more valuable than any 

 other vegetable, particularly the potato, because they 



