I

Twenty pounds sublimed sulphur; 8 pounds fuller's earth; 2 pounds powdered naphthalene; 1/2 ounce liquid carbolic acid. Mix thoroughly and put up in half-pound tins or boxes. Sprinkle about the nest for use.

II

Oil of eucalyptus smeared about the coop will cause the parasites to leave. To drive them out of the nests of sitting hens, place in the nest an egg that has been emptied, and into which has been inserted a bit of sponge imbibed in essence of eucalyptus. There may be used also a concentrated solution of extract of tobacco, to which phenol has been added

III

Cover the floor or soil of the house with ground or powdered plaster, taken from old walls, etc.