The above mixtures should be warmed before using, otherwise the dog may resist their introduction. When the disease from bad treatment or neglect has subsided into the chronic form, and ulceration and suppuration have commenced, it will be necessary to pursue a somewhat different treatment, and remain more patient, awaiting the result. At this time the auditory passage is filled with a dark purulent secretion, which forms a thick and irritating crust. This deposit should first be removed by washing with castile soap and tepid water, and the daily application of a hop poultice. If there be much inflammatory action of the parts, the dog may be bled, and alterative or purgative balls administered. The following wash must be used two or three times daily. [Symbol: Rx] Sugar of lead [Symbol: scruple] i. Laudanum gtt.--20 (drops.) Water [Symbol: ounce] i. Mix. As the discharge is usually very offensive, the following solution will correct its fetor, and should be injected or poured in the ear. [Symbol: Rx] Chloride of lime [Symbol: drachm] i. Water [Symbol: ounce] vi. Mix. If granulations have sprung up, touch them with a camel's hair brush, dipped in the following mixture: [Symbol: Rx] Sulphate of copper [Symbol: scruple] i. Water [Symbol: ounce] i. Mix. If, however, the excrescences continue to sprout from the cartilage, and the discharge continues unabated and offensive, they may be excised and the parts brushed over with nitrate of silver in substance. After this operation the flap often becomes extremely tender and much swollen; poultices of poppy-heads or hops will often afford much relief. Setons are of much value in the treatment of obstinate cases, and should be placed in the poll, and kept open till a cure is effected, or the case abandoned. All greasy applications to the parts should be discarded; the only one we consider allowable would be a very nice preparation of fresh butter, alum, and laudanum, smeared over the surface of the ulcers when very indolent and painful. The following wash will be found very soothing in the same case: [Symbol: Rx] Opium gtt. 20. Gum arabic iss-- Lime water [Symbol: ounce] iv. If the disease has progressed far enough to destroy a considerable portion of the cartilages, and perforate the tympanum, more care is necessary in using the above washes, as the fluid will enter the internal ear through this opening, and cause much uneasiness to the animal, if not fatal consequences. WOUNDS OF THE EAR. Wounds of the flap are often occasioned by the tearing of poisonous briars, while hunting in close cover, or in conflict with other dogs.