=Treatment.=--Cover with cosmoline, 10 parts, carbolic acid, 1 part, or with rags soaked in olive-oil to which a little sugar of lead has been added; or dust thickly with starch or flour and cover with cotton-wool; or liniment of equal parts of limewater and linseed-oil (carron-oil). COLIC, SPASMODIC. =Symptoms.=--The attack usually comes on suddenly; the horse paws, kicks his belly, looks at his flanks, moves about uneasily, throws himself down violently and groans, rolls, lies on his back, jumps up and oftentimes commences eating. The extremities continue warm, and between the paroxysms the pulse is normal. =Treatment.=--1 ounce chloral hydrate in ½ pint of water--repeat in an hour if necessary; or 1 ounce tincture of opium and 1 ounce sweet spirits of nitre in ½ pint of cold water, repeated every half-hour until well; or 1½ ounces opium and 2 ounces alcohol in ½ pint water--repeat in one hour if necessary. Administer enema of warm water in which a little soap is dissolved. Should constipation be the cause, give aloes in solution, 5 to 8 drachms, or 1 pint of linseed-oil. Apply hot blanket to abdomen. Have animal walked about or belly well hand-rubbed, and give ½ pint of whiskey, or brandy, or any stimulant in pint of water if drugs be not at hand. In =Flatulent Colic=, when the bowels are distended by gas, detected by bloated appearance and resonance on percussion, give promptly baking-soda, 2 to 4 ounces; if this fails, give carbonate of ammonia in ½-ounce doses every half-hour, or chloral hydrate, 1 ounce in ½ pint of water. Physic with 5 to 8 drachms Barbadoes aloes or 1 pint linseed-oil. Frequent enemas of turpentine, 1 to 2 ounces, and linseed-oil, 8 ounces. Apply hot blankets. CONSTIPATION. =Symptoms.=--Uneasiness; distended abdomen; pulse and respiration nearly normal. =Treatment.=--Copious enemas of tepid water and a little soap. Dose of linseed-oil, 1½ pints. Sloppy food; slow exercise. CORNS. =Symptoms.=--These bruises of the foot or heel are commonly caused by improper shoeing, or leaving shoes on too long until they become imbedded. They are usually on fore feet, in that part of the sole included in the angle between the bar and the outside wall of the hoof. =Treatment.=--If lame and when the spot is pared there be matter, foment and poultice until lameness has disappeared. Then shoe with bar-shoe resting on frog, the spot being relieved by cutting away horn. CRACKED HEELS (SCRATCHES). =Symptoms.=--This is an inflammation of the oil-and sweat-glands of the skin, due to exposure, irritants, mud, filth, cold, washing heels with inferior soaps, cold draughts on heels, standing in slush or snow.