The Spanish fly in its action is intense, yet superficial. It plentifully raises the cuticle, yet rarely injures the true skin and therefore seldom blemishes. The application of other acrid substances is occasionally followed by deeply seated ulceration; but a blister composed of the Spanish fly alone, while it does its duty, leaves, after a few weeks have passed, scarcely a trace behind. The art of blistering consists in cutting or rather shaving the hair close, then rubbing on the ointment at least ten minutes. As soon as the vesicles have risen, which will be in something like 20 hours, you may relieve the animal by the application of olive or neatsfoot oil. In inflammation of the lungs, &c., it should be made to act sooner. The principle of the blister is, that no intense inflammation can exist in the neighboring parts at the same time. An infusion of 2 ounces of the flies in 1 pint of oil of turpentine, for several days, is frequently used, and with good effect. This is a sure and safe remedy. If in the winter blanket the horse to keep him warm until he is over it; put a blanket over the head also if very cold. TINCTURE OF ALOES AND MYRRH. This will answer well for dressing either fresh or old wounds. Take 8 ounces of powdered aloes, 1 “ “ myrrh, 1 quart spirits of wine, 1 ounce water, Put these into a bottle and shake every day for two weeks, when it will be ready for use. This is an excellent preparation, and can be relied on. Any person having horses should never be without this tincture, the cost being but a mere trifle, and will often and in every case save time, trouble and expense, where there is use for it. TINCTURE OF OPIUM. To make the above take 2 ounces of powdered opium and 2 pints spirits of wine, put into a bottle and shake well every day for a week, when it will be ready for use. COMMON BLISTERING OINTMENT. To make the above ointment which may be used for blistering in inflammation of the lungs, bowels, &c. Take 1½ pounds of lard, 2 ounces venice turpentine, 2 “ rosin, 2½ “ spanish flies, powdered, Melt the rosin, turpentine and lard in any common vessel, and when the mixture begins to cool put in the powdered flies; mix well by stirring. Before applying the blister clip or shave the hair off and grease, rub well for ten minutes. After it has acted, grease with lard or oil. FOR RING BONE OR SPAVIN. The following will be found very useful for removing ring bone or spavin, or any other bony substance. Take 8 ounces of spanish flies, 1 pound of lard, 1 “ rosin, 6 ounces of venice turpentine,