In bad cases, when the discharge is purulent, the ears should be syringed morning and evening with two tablespoonfuls of methylated spirits added to half-a-pint tepid water, and after letting the dog shake his head, wipe the ears out as dry as possible with absorbent cotton wool, and then fill with powdered boracic acid by the aid of a quill and a piece of indiarubber tube attached. If this treatment does not cure, then wash the ears out night and morning with peroxide of hydrogen—x vols. Some cases of canker are very obstinate. =Dislocations=: _Toe, Dislocation of_: _Symptoms_: The dog is very lame—in fact, cannot put the foot to the ground; the joint is swollen, and painful to manipulate. If the injured toe is compared with a sound one, it will be found that the lower bone which assists in forming the joint that is dislocated sticks up much more than is natural. _Treatment_: As a rule, especially in a recent case, the reduction is not difficult. The toe should be pulled straight with the fingers of one hand, and with those of the other the projecting bone should be pressed into its place. In some cases it may be necessary to give chloroform. A padded splint extending from the back of the knee or hock to just below the foot should be put on, and a bandage applied to prevent the foot being used for a few days. _Knee, Dislocation of_: _Symptoms_: This generally occurs in conjunction with fracture of the radius, but it may happen alone. The dislocation generally occurs sideways, and the foot either turned outwards or inwards. The parts are very painful, and soon swell. _Treatment_: The reduction should be attempted as quickly as possible after the accident, otherwise it will be necessary to wait until the swelling is reduced, and this can be helped by the application of crushed ice placed in a woollen bag and applied right round the joint. It is best to give the patient chloroform before attempting the reduction of a dislocated knee; and when the dog is well under the influence of the anæsthetic the foot should be seized with one hand and pulled in straight direction from above downwards, and with the fingers of the other hand, during the pulling, the joint should be pressed into their place. As a rule, in dislocation of the knee the ligaments of the joint are often much injured, therefore when the reduction has been completed padded splints and bandages should be applied, as is recommended for fracture of the radius or arm, and be kept on for about three weeks. _Elbow, Dislocation of_: This does not often occur in adult dogs, but is not uncommon in delicate puppies as the result of some violence. _Symptoms_: Lameness, and if the dog attempts to put weight on the leg, the elbow turns out. The joint as the result of the dislocation is wider than the one on the other side, but there is not much pain on pressure, as is the case of fracture at the elbow when the inner condyle of the shoulder bone (humerus) is broken off.