Sandwiches may be made from one of three or four kinds of bread; whole wheat bread, Boston brown or oatmeal bread, white bread and rye bread made into square, deep loaves; in fact, all bread used for sandwiches should be made especially for the purpose, so that the slices may be in good form, and sufficiently large to cut into fancy shapes. The butter may be used plain, slightly softened or it may be seasoned and flavored with just a suspicion of...