Oats as wheat substitute, [19].
Oils, vegetable.—Use in Germany, [40]; supply in United States, [40]-41; as substitute for animal fats, [41].
Peanut flour as wheat substitute, [20].
Peanuts as meat substitute, [36].
Peas as meat substitute, [56].
Potato flour as wheat substitute, [20].
Potatoes as wheat substitute, [20], [57]-58.
Poultry as meat substitute, [35].
Production.—Decreased in France, [1]-2; of cereals doubled in England, [2]; of vegetables in England and America, [55].