These menus are merely suggestive. They may be varied according to judgment, depending upon the habits and the environments of the patient. Curative feeding for constipation is one of the most important departments of this work, and will receive special consideration in the volume of Menus. FOODS THAT MAY BE SUBSTITUTED FOR ONE ANOTHER The menus may also be varied by substituting the articles herein given for other things of the same general class. EXAMPLES: {Evaporated peaches Dried fruits {Evaporated apricots {Prunes The above are all in the same general class, and may be substituted for one another. {Dates Sweet fruits {Figs --All form another class {Raisins {Eggs Dairy products {Milk and Meats {Fish {Fowl These compose the nitrogenous group, and may be substituted for one another. {Carrots Vegetables {Parsnips --Are in the same group {Turnips {Beans Legumes {Peas --Are in the same general class {Lentils {Barley Rice Cereals {Corn Rye {Oats Wheat Barley, corn, oats, rice, rye and wheat are the six great staples, which grouped are called cereals. They form the carbohydrate class of grains, and may be substituted for one another. In cases of constipation, however, whole wheat and rye are preferable, owing to the large amount of bran they contain. {Dandelion {Kale Edible succulent {Lettuce --Belong to same class Plants {Parsley {Romaine {Spinach Citrus fruits {Grapefruit {Lemons {Limes {Oranges All citrus-fruits (fruits containing citric acid), so far as their action upon the liver is concerned, have practically the same effects, and substantially the same nutritive value. [Sidenote: Milk may be laxative or constipating]