LITHONTRIPTICS.--Medicines possessing the power of dissolving _calculi_, or stones in the urinary passages; composed principally, according to the researches of modern chemists, of lithic or uric acid. The preparation most successfully employed by the author in such cases is muriatic acid, in doses of from one to two drachms, in a pail of water, once or twice a day. NARCOTICS.--Medicines that stupefy, and produce sleep. Belladonna, camphor, hyoscyamus and opium, are among the narcotics in common use. NAUSEANTS.--Agents which cause loss of appetite, and produce the sensation of vomiting, without affecting it. For this purpose, aloes, tartrate of antimony, white hellebore, etc., are used. PARTURIENTS.--Agents which act upon the uterus. In cases of difficult parturition, or calving, resort is occasionally had to them. Ergot of rye is the most powerful. REFRIGERANTS.--Cooling applications, which reduce the temperature of the blood and body; as cold water, ether, lead-water, etc. RUBEFACIENTS.--Medicines which gently irritate the skin, producing redness on white surfaces. Of this class, are aqua ammonia, creosote, mustard, turpentine, etc. SEDATIVES.--Agents which depress the vital energies, without destroying life; as aconite, digitalis, hellebore, hydrochloric acid, hyoscyamus, opium, and tartrate of antimony. TONICS.--Medicines which increase the action of the muscular system, giving strength and vigor to the animal. These are among the most useful remedies known to man, and are beneficial in all cases of debility, toning up the stomach, and improving the appetite and condition of the animal. TONIC POWDER.--Pulverized gentian-root, one ounce; Jamaica ginger, one half an ounce; anise-seed, six drachms. Mix, and divide in eight powders; one to be given night and morning. TRAUMATICS.--Medicines which excite the healing process of wounds; as aloes, friar's balsam, myrrh, rosin, sulphate of copper or zinc, tar, etc. TRAUMATIC LOTION.--Mix tincture of aloes, one ounce; tincture of myrrh, two ounces. Or, melt together, tar, one ounce; rosin, two ounces; lard, four ounces. Or, mix sulphate of zinc, one drachm; rain-water, one half pint. Or, use the following, the celebrated friar's balsam; benzoin, in powder, four ounces; balsam of Peru, two ounces; Socotrine aloes, one half ounce; rectified spirits, one quart. Digest for ten or twelve days; then filter for use. DOSES OF VARIOUS REMEDIES USED IN CATTLE PRACTICE. ACONITE.--[_Monk's hood_; _Wolf's bane_.] An active poison. Used as a sedative in tincture; ten to twenty drops in water. AETHIOPS MINERAL.--[_Hydrargyri Sulphuretum._] One to two drachms. ALCOHOL.--A stimulant; three to six ounces. ALLSPICE.--[_Pimento berries._] Aromatic; two to four drachms. ALOES.--Cathartic and tonic; tonic dose, one half to one drachm--cathartic, one to two ounces. ALUM.--[_Alumen._] Irritant, astringent, and sedative; two to four drachms.