This is a cancerous growth which sometimes affects the eyes of cattle. A fungus growth grows in the eye and tissues around it, protruding from the orbital fossa and sometimes crowding the eye out with it. There is a constant discharge and a fetid odor from it.

Treatment. - The only remedy is to remove the entire growth, eye and all tissues involved; scrape the bone clean and then apply powdered sulphate of copper to all raw surface and fill the cavity with cotton. In twenty-four hours the cotton should be taken out and the wound washed and dressed once a day thereafter with the following ointment: Pine tar and lard, of each, four ounces; acetate of copper, half an ounce; mix.