This is a constitutional inflammatory affection of the joints, affecting the fibrous tissue and serous, or synovial membrane. It is caused by exposure to cold and wet; being quite common in low, marshy sections. _Symptoms._--Loss of appetite; upon forcing the animal to move, every joint seems stiffened; nose dry; coat staring; constipation is also an attendant symptom; the joints, one or more, become swollen and painful. This may be regarded as a metastic, or shifting disease; first one part, and then another, seems to be affected. _Treatment._--Mild purgatives should be used; one-half-ounce doses of colchicum-root pulverized will be found useful; one-ounce balls of pine-tar may also be given with advantage. As a local application, the author has found nothing to equal kerosene oil, one pint, to two ounces of aqua ammonia, well rubbed in, two or three times a day. STRANGULATION OF THE INTESTINES. This disease in cattle,--popularly styled Knot, or Gut-tie,--in consequence of the peculiar arrangement of the abdominal viscera, is of very rare occurrence. When, however, it does occur, the symptoms accompanying are those of inflammation of the intestines. No kind of treatment will be successful, and the poor brute must suffer until death comes to its relief. THRUSH IN THE MOUTH. Aptha, or thrush in the mouth, is a vesicular disease of the mouth, sometimes occurring as an epizooetic. It is often mistaken for blain,--inflammation of the tongue, or black tongue,--and usually occurs in the winter, or early in the spring. It appears in the form of vesicles, or pustules all over the mouth, occasionally extending to the outside of the lips. These pustules break, discharging a thin, sanious fluid, leaving minute ulcers in their places. This disease yields readily to treatment, when it is properly applied. Three ounces of Epsom-salts, once a day for three or four days, should be given in drench; wash the mouth well with a solution of alum, tincture of myrrh, or vinegar and honey, and it will disappear in a few days. TUMORS. These enlargements so common in cattle, have been so admirably described, in the Veterinarian for 1843, by John Ralph, V.S.,--who has been so successful in the treatment of these morbid growths, that the benefit of his experience is here given. He says: "Of all the accidental productions met with among cattle, with the exception of wens, a certain kind of indurated tumor, chiefly situated about the head and throat, has abounded most in my practice.