If a napkin has been placed at the table it is picked up when the hostess has picked hers up never unfold a large napkin completely place it across the lap whit one large fold left suppose the napkin slips from the lap to the floor if it is close to the chair reach quietly down and pick it up if it too far away however leave it on the floor if it is not picked up by a well trained maid it can be picked up at the end of the meal and don forget that it is perfectly all right to ask for another in fact perhaps one of the worst social