For example, rice and potatoes consist chiefly of starch, and of themselves are bad foods unless combined with fatty and albumenoid matters; therefore we endeavour to use rice in puddings with milk, eggs, and butter, which supply all that is wanting, and it thus becomes a valuable article of food. Potatoes are most useful and economical if eaten with milk, fat meats; alone they are barely able to support life and cannot sustain health and strength. Beans, which are chiefly albumenoid, are eaten with bacon. Bread, which is wanting in fat, with butter or bacon, &c. &c.