Profuse sweating is resorted to as an expedient for removing the superfluities of flesh and fat. Three or four sweats are generally requisite, and they may be considered the severest part of the process. Emetics are only prescribed if the stomach be disordered, which may sometimes happen, when due care is not taken to proportion the quantity of food to the digestive powers. But in general, the quantity of aliment is not limited by the trainer, but left entirely to the discretion of the pedestrian, whose appetite should regulate him in this respect. Although the chief parts of the training system depend upon SWEATING, EXERCISE, and FEEDING, yet the object to be obtained by the pedestrian would be defeated, if these were not adjusted, each to the other, and to his constitution. The skilful trainer will, therefore, constantly study the progress of his art, by observing the effect of the processes separately, and in combination. If a man retains his health and spirits during the process, improves in WIND, and increases in strength, it is certain that the object intended will be obtained. But if otherwise, it is to be apprehended that some defect exists, through the unskilfulness or mismanagement of the trainer, which ought instantly to be remedied by such alterations as the circumstances of the case may demand. It is evident, therefore, that, in many instances, the trainer must be guided by his judgment, and that no fixed rules of management can, with absolute certainty, be depended upon, for producing an invariable and determinate result. But, in general, it may be calculated, that the known rules are adequate to the purpose, if the pedestrian strictly adheres to them, and the trainer bestows a moderate degree of attention to his state and condition during the progress of the training. It is farther necessary to remark, that the trainer, before he proceeds to apply his theory, should make himself acquainted with the constitution and habits of his patient, that he may be able to judge how far he can, with safety, carry the different parts of the process. The nature of his disposition should also be known, that every cause of irritation may be avoided; for, as it requires great patience and perseverance to undergo training, every expedient to soothe and encourage the mind should be adopted. It is impossible to fix a precise period for the completion of the training process, as it depends upon the condition of the pedestrian; but from two to three months, in most cases, will be sufficient, especially if he be in tolerable condition at the commencement, and possessed of sufficient perseverance and courage to submit cheerfully to the privations and hardships to which he must unavoidably be subjected.