CAUSE.—Cattle become affected with this worm by grazing in pastures in which infected cattle have grazed and scattered their droppings. The worms in the stomach produce a multitude of eggs of microscopic size, which pass out of the body with the feces. In warm weather, these eggs hatch in a few hours; if the temperature remains about freezing point, they soon die. The eggs are also destroyed by dryness, but, on the other hand, moisture, if the weather is warm, favors their development. The twisted worm measures one-half inch to one and one-half inches in length. SYMPTOMS.—General weakness, loss of flesh, anemia, dullness, capricious appetite, excessive thirst, paleness of the skin and mucous membranes of the mouth and eyes, and dropsical swelling, especially that of the lower jaw. Diarrhoea always accompanies this condition and if the feces is carefully examined the small worms may be seen wriggling about like little snakes, or when the animal dies, and the fourth stomach is opened, these worms can be seen in large quantities. TREATMENT.—Preventative measures are important, as damp, marshy soil favors the development of the embryos. High sloping ground is preferable for pasture. If low ground is used it should be properly drained; burning over the pasture will destroy most of the young worms on the grass and on the ground. Cattle should be supplied with water from flowing streams or wells and not stagnant ponds. MEDICAL TREATMENT.—Withhold all food for twenty-four hours, then administer Oil of Turpentine, placing it in an ounce capsule and give with capsule gun. Follow in six hours with a physic consisting of Aloin, two drams; Ginger, two drams. Place in capsule and give with capsule gun. When this worm develops in calves, give as follows: One dram Turpentine to a calf three months old, four drams to a calf six months old, six drams to a yearling. To cattle two years and over, give equivalent dose, or an ounce. The physic should be reduced in the same proportions as that of Turpentine. VERMINOUS BRONCHITIS. (_Lung Worms_) CAUSE.—Due to worm or parasite called Strongylus Micrurus, a small thread-like worm two to four inches in length, found in the bronchial tubes, a portion of the lungs. The life history of this parasite is not known, but infection is apparently derived through the medium of pastures where infested cattle have grazed. Young cattle are more seriously affected than old animals. These parasites are especially common in low marshy pastures. SYMPTOMS.—This form of bronchitis usually affects the entire herd; the animals become poor, unthrifty, hacking, coughing, especially at night, and sometimes animals actually cough up worms.