XIV. It is called in Greek 〈 in non-Latin alphabet 〉〈 in non-Latin alphabet 〉: in Latin, Callus: in English, Hardness of the Skin.
XV. It is bred in the surface of the Skin, in the Palms of the Hands and Soles of the Feet, as also the sides of the Feet and bottom of the great Toe; and sometimes upon the Knees, by much and often kneeling.
XVI. The Cause. It arises in the Hands by continual and hard Labour, and in the Feet by much Walking.
XVII. The Prognosticks. As it has no Root, and is void of all manner of Pain, so it is without danger, yet not very easily cured.
XVIII. The Cure. The Pa∣tient is to forbear all those things which are the cause thereof, o∣therwise all attempts for the Cure will be in vain.
XIX. Then he must often bathe and soak the Parts affected in a mild Lixivium of Pot Ashes blood warm, which is to be con∣tinued and repeated, so long till the Skin is very thin and soft.
XX. After bathing in the Lixi∣vium, the parts are to be wiped very dry, and then anointed with Oil of Ben; and if you so please, you may lay over them Emplast∣rum Album, which will bring the Skin not only to a whiteness but softness also.