These cases as a rule require the attention of a veterinary, as the irritation may be set up by a variety of causes, not the least of which is a stone in the bladder. The common symptom of bladder trouble is constant straining, even when indoors; in other cases, not so bad, there is frequent micturition of high-colored, cloudy, strong-smelling urine. The presence of blood, as a rule, is an indication of calculus, or stone. Sometimes the blood comes mixed with the urine, and in other cases it comes in drops after the passing of water. In those cases where the stone becomes fixed in the pasage, and the dog is incapable of micturition, no time should be lost in calling in a good veterinary surgeon. If there is not much pain a course of treatment with the hyposulphite of soda is all that is necessary, the dose being from three to twenty grains, diluted in water and administered three times a day before feeding. If there is much pain, give the tincture of hyoscyamus in dose of from two to fifteen drops in water every three hours. Feed on milk, barley water and dog cakes.