post-mortem

examination displayed a chronic enlargement of the prostate gland of a considerable size, causing by its pressure a mechanical obstruction to the passage of the urine. Death in this instance was not immediately brought about by the abnormal state of the original organ affected; but the prostate gland, having early in the life of the animal become diseased, and, being gradually increased in size, became a cause of still more serious disease, attacking more important organs.

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Worms

There are various kinds of worms to which the dog is subject; they have occasionally been confounded with each other; but they are essentially different in the situations which they occupy, and the effects which they produce.

The

ascarides

are small thread-like worms, generally not more than six or ten lines in length, of a white colour, the head obtuse, and the tail terminating in a transparent prolongation. They are principally found in the rectum. They seem to possess considerable agility; and the itching which they set up is sometimes absolutely intolerable. To relieve this, the dog often drags the fundament along the ground.