The degree of effect which is produced by the immersion of the body in warm water is influenced by the temperature; but the quality of the effect is the same at all degrees from tepid to hot. The sense of warmth is at first grateful to the feelings; the skin becomes red from the increased activity of its vessels; the pulse quickens in beats, but diminishes in tension; the respiration is more frequent; precordial oppression is experienced; an unpleasant sense of distention is felt in the head, and giddiness, faintness, and muscular languor, finally, are produced, if immersion be prolonged or the temperature be too high. The pulmonary and cutaneous transpiration are increased by the warm bath; the temperature of the body rises, and a condition is established by a hot bath, similar to the febrile state. Rapid disintegration of tissue ensues, the waste products escape chiefly by the skin and pulmonary mucous membrane, and decided loss of weight results.