The author, however, has always employed the first preparation, which, in his hand, has never occasioned disappointment. It has, however, always been aided by the following drink, administered every night. No medicine could possibly act better than those here proposed; they seem to go directly to the skin; but as the state of the integument may be accepted as evidence with regard to the condition of the entire body, a most powerful alterative may not, in this instance, be out of place. _Drink for Ring-worm._ Liquor arsenicalis One ounce. Tincture of the muriate of iron One ounce and a half. Water One quart. Mix, and give every night half a pint for a dose. This drink must be continued till every vestige of the disease has disappeared. However, it frequently happens that, after the central bare spot has been cured, ulceration remains about the circumference. Treat this with either of the following lotions:-- Permanganate of potash Half an ounce. Water Three ounces. Mix, and smear gently over the part six times daily. Or-- Chloride of zinc Two scruples. Water One pint. Mix. The ulcers should be punctually moistened with the last preparation at the periods already stated, and the horse should be thrown up during the treatment. The food should be of the best, and a month ought to be allowed for the cure. SURFEIT. Old practitioners generally entertain very false opinions concerning the importance of =surfeit=; they being inclined to employ more stringent measures for its eradication than the real nature of the disease demands. The affection is rather annoying than dangerous; it makes its appearance suddenly, and seldom involves the entire body. It is a sudden rash or a quantity of heat spots bursting out upon the skin; the spots are round, blunt, and slightly elevated; they resemble the blotches which, during hot weather, often appear upon the human countenance, only the horse's integument being so much more active than the skin of man, the outward affection in the animal may be regarded as proportionably the more severe. Frequently, during the eruption, the pulse is tranquil, the spirit and appetite being good; when such is the case, the lumps mostly disappear in a few hours. Still the food should be looked to; about eight pounds of hay should be abstracted and two bundles of cut grass allowed per day; the corn should be kept up or even increased, and a handful of sound, old beans, which have been properly crushed, should be mingled with each feed. The stable should be airy, and the following drink should be given every day for a month:--