The nature and causes of impotence in men, and barrenness in women, explained. [electronic resource] : With the methods by which it may be known in any case, on whose part the imperfection lies; and instructions for the prevention and remedy. Also the consequences of a commerce with eunuchs; and of self-abuse: illustrated with a remarkable case of a widow in the West-Indies: and compleat directions for a lady's managing herself in the nicest article of her health; with innocent and effectual medicines for all the complaints incident to that sex. By G. Archibald Douglas, Doctor of physick.