The philosophy of marriage, in its social, moral, and physical relations; with an account of the diseases of the genito\urinary organs which impair or destroy the reproductive function; and induce a variety of complaints; with the physiology of generation in the vegetable and animal kingdoms; being part of a course of obstetric lectures delivered at the North London School of Medicine, Charlotte Street, Bloomsbury Square. By Michael Ryan, M.D., member of the Royal Colleges of Physicians and surgeons in London; physician to the Metropolitan Free Hospital, etc