DIGESTION OP POOD. 



277 



adult animals, and common experience proves this to be the , 

 case; while chemical analysis shows that they, like milk, con-/ 

 tain all the necessary food constituents. Meat (muscle, with 

 fat chiefly) is also, of course, a valuable food, abounding in 



Animal Foods. 



Explansition of the signB. 



-Profeids. ATbuminoida. N-/ree org. bodies. Salts. 



Beef. 

 Pork. 

 Fowl. 

 Flah. 

 Egg. 

 Cow's milk. 

 Human milk. 



Wheaten-'bread. 



Peas. 



Bice. 



Potatoes. 



White Turnip. 



Caiuliflower. 



Beer. 



62 



73.5 



in 



1 



qi.3 



z 



11 



l0.6 

 0.4 



Vegetable Foods. 

 Bxplanation of the signs. 



90.5 



90 



0.2 



III 0.5. 



90 



0.5 



Fie. 234 (Landois). 



proteids. Cereals contain starch in large proportion, but also a 

 mixture of proteids. Cfreen vegetables contain little actual nu- 



