_Poultry_ is not now listed as a meat substitute by the Food
Administration because the supply has become very limited.

_Cheese_ is one of the best substitutes for meat. It represents most
of the food value of a much greater bulk of milk, and its protein,
fat, and mineral salts make it an important food. We in America are
very slow to appreciate it. We are apt to use it in small quantity for
its flavor rather than as a real food. We could well eat more of it,
to the advantage both of the palatability and nutritive quality of our
diet.

_Milk_, one of the most easily digested and simplest sources of
protein in our diet and the most valuable of our foods, is discussed
in Chapter VII.

_Nuts_ are usually thought of as a luxury, but the amount of protein
and fat they contain makes them really an important food. Peanuts are
usually classed with the nuts and are considered the most valuable
nut-crop of the United States. They are growing so fast in importance
that the acreage was increased 60 per cent in 1917. They are used for
oil and for fodder as well as for human food. Peanut-butter or a bag
of peanuts is a good investment, but it should be counted as part of
the necessary food, not eaten as an extra. The occasional indigestion
following injudicious eating of cheese and nuts is probably often due
to forgetting that they are very substantial foods and eating them at
the end of an already sufficient meal.

_Peas and Beans_ are taken up with the other vegetables in Chapter
VIII.