The recommendation of hygienic clothing for adults is difficult because of the twofold function of dress in grown individuals. The purpose of clothing is primarily to insulate the body against cold and to maintain a constant body temperature. Clothing further serves as a protection against external objects; but from time immemorial decoration has been one of the most significant and directive influences in the selection of body coverings. It has been remarked that pride should not be the only source of warmth; and that although persons cannot easily overlook or neglect the dictates of custom and fashion, the selection of clothing should be based as largely as possible on occupation, conditions of health, and the requirements of age. Precisely as clothing in winter should prevent an undue loss of heat from the skin, so in summer it should not interfere with the dissipation of heat.
Infants, it might naturally be