If the disease come in winter or407 on an old person, and if no crisis or other purging come to him, by the end of twenty days, and the sick man improving, then it is a sign that it will finish in an imposthume,408 and where most sweat comes, there the imposthume will form. If the veins of the temples dilate409 and beat, and the breath be quick, it is certain there will come an imposthume at the base of the ear, or the cheek, or in the throat. If there be strong tension below the midriff, or in the groin, or in the thighs,410 accompanied by pain and inflammation, that is a sign that the imposthume is in the lower members.