42 



ADVANCED PHYSIOLOGY 



much less value as nutriment than the casein in the skimmed 

 milk. Vegetables, in general, such as cabbage and lettuce, 

 contain extremely little nourishment of any kind. As a rule, 

 it is better to purchase foods which have large quantities of 

 the necessary substances in them than those which have 

 small amounts. If we should eat enough of the latter kind, 

 we could, of course, obtain all the food we need; but it 

 would compel the digestive organs to do a quite unnecessary 

 amount of work. 



The following list, giving the amount of proteid which 

 can be bought in different forms for ten cents, will be of value 

 as a guide to an economical purchase of table supplies. 



AMOUNT OF PROTEID PURCHASABLE FOR TEN CENTS 





* Each division in this scale is one-tenth pound. 



Carbohydrate Yielding Foods. Carbohydrate yielding foods 

 are almost wholly vegetable, as animal substances furnish 

 only a small amount of starch or sugar. Milk, containing 



