If bronchial irritation or a cough be present, shield and defend the mucous surfaces from irritation. Relieve congestions by equalizing the circulation. Support the powers of the system. Relieve all urgent symptoms. * * * * * _Special Practice._--Suppose a cow to be attacked with a slight cough. She appears dull, and is off her feed; pulse full, and bowels constipated; and she is evidently out of condition. Then the medicines should be anti-spasmodic and relaxant, tonic, diaphoretic, and lubricating. The following is a good example:-- Powdered golden seal, (tonic,) 1 table-spoonful. " mandrake, (relaxant,) 2 tea-spoonfuls. " lobelia, (anti-spasmodic,) 1 tea-spoonful. " slippery elm or mallows, (lubricating,) 1 table-spoonful. " hyssop tea, (diaphoretic,) 1 gallon. After straining the hyssop tea, mix with it the other ingredients, and give a quart every two hours. In the mean time, administer the following injection:-- Powdered lobelia, } of each, half a " ginger, } table-spoonful. Boiling water, 1 gallon. When cool, inject. Particular attention must be paid to the general surface, If the surface and the extremities are cold, then employ friction, warmth, and moisture. The animal must be in a comfortable barn, neither too hot nor too cold; if it be imperfectly ventilated, the atmosphere may be improved by stirring a red-hot iron in vinegar or pyroligneous acid, or by pouring either of these articles on heated bricks. The strength is to be supported, provided the animal be in poor condition, with gruel, made of flour and shorts, equal parts; but, as it frequently happens (in this country) that animals in good flesh are attacked, in such case food would be inadmissible. Suppose the animal to have been at pasture, and she is not observed to be "ailing" until rumination is suspended. She then droops her head, and has a cough, accompanied with difficult breathing, weakness in the legs, and sore throat. Then, in addition to warmth, moisture, and friction, as already directed, apply to the joints and throat the following: Boiling vinegar, 1 quart. African cayenne, 1 table-spoonful. The throat being sore, the part should be rubbed gently. The joints may be rubbed with energy for several minutes. The liquid must not be applied too hot. Take Virginia snakeroot, } of each, 2 ounces. Sage, } Skullcap, (herb,) 1 ounce. Pleurisy root, 1 ounce. Infuse in boiling water, 1 gallon. After standing for the space of one hour, strain; then add a gill of honey and an ounce of powdered licorice or slippery elm. Give a quart every four hours. Should the cough be troublesome, give