alone sufficient. I would likewise recommend riding, which acts admirably upon the head and lungs, and above all upon the abdominal viscera, by repeatedly agitating them; as likewise all the other exercises, which were carefully cultivated both by the ancients and our ancestors; but which we, to our great detriment, have neglected. Let us not forget HERODICUS, a man of learning, endowed with extraordinary intellectual faculties, but the most infirm of all mortals, who by exercise alone so confirmed his health, that he lived entirely free from disorders to a hundred years of age, and composed a treatise upon the gymnastic art. Let us not forget SOCRATES, the wisest of mankind, who thought it worth his while to learn this art. STRATO, being troubled with the spleen, had recourse to exercise, which cured him. HYSMONÆUS, being afflicted with a weakness of the nerves, had recourse to the olympic games, and by that exercise overcame the disorder. Sailing should have its share of praise, amongst other sorts of exercise, whose power in removing the obstructions of the viscera, throwing off the bile, restoring the lungs, renewing perspiration, and strengthening the fibres, the ancients were well acquainted with: and it has lately been demonstrated by the illustrious GILCHRIST, and was likewise preferred to all other sorts of carriage by AUGUSTUS CÆSAR, who, when he had any occasion to travel, chose rather to go by sea than otherwise, if it was possible. AUGUSTUS CÆSAR may in many respects be compared to the studious and learned; “eloquentiam enim studiaque liberaliora ab ætate prima & cupide & laboriosissime exercuit; & graves valetudines per omnem vitam expertus est; & distillationibus, & rheumaticis doloribus, & calculo obnoxius vixit, & præcordiorum inflatione aliquoties tentabatur; litteratis vero sapientior;” “for he cultivated eloquence and the liberal arts from his early youth with taste and diligence, and was during his whole life a valetudinarian; he was troubled with catarrhs, rheumatic pains, and the stone, and was sometimes likewise attacked with an inflammation of the parts about the heart; but, being more prudent than most men of learning, _he took great care of his valetudinary constitution_[37].” Riding in an easy chariot is of little service; of still less the easy succussions of the several machines which have been invented by modern industry for moving the sick about in their chambers; but I set a high value upon all those plays or diversions which oblige a man to exercise both his arms; such, for example, are shuttle-cock, and others of the like nature.