Enlargement of Prostate

different changes in shape of the urethra are full}7 given. Several good plates are here figured. The various theories of the cause of the enlargement are discussed. The author holds the view that senility has little or nothing to do with it; he decides that the analogy with uterine fihromyomata cannot be accepted; also against the view that enlargement of the prostate is one of the events that occurs in the course of general atheroma, and against the theory propounded that the primary change is in the bladder and the enlargement of the prostate compensatory. The suggestion is made that the solution may be found in the relations existing between the testes, and the prostate. Succeeding chapters are devoted to the description of the effects, symptoms and diagnosis of the enlarged gland, and all these points are fully and carefully treated. A useful chapter on general treatment begins the subject; palliative measures have in view the maintaining of a clear route through the urethra; to avoid the collection of residual urine, the occurrence of retention, and to prevent s_ystitis. " If this can be accomplished more energetic measures are not needed." In the first of the above aims, the author has found the passage of a large sound retained for 15 minutes to be