A GROWTH in the numbers and range of specialist hospitals was a distinctive feature of the expanding provision of medical care facilities during the nineteenth century. Concentrating upon diseases and complaints which were frequently excluded from the general hospitals or where the demand for medical treatment was not satisfactorily supplied by existing hospitals, specialist hospitals dealing with infectious diseases, lying-in cases, diseases of the eye, nose, throat and chest were opened. Amongst these specialist medical charities a number of hospitals for the treatment of venereal disease were established. Of the separate venereal disease or "lock" hospitals' which had been founded in the eighteenth century, only the London Lock Hospital (1746) and the Westmoreland Lock Hospital (1792) continued to operate during the nineteenth century. The unprecendented growth in urban areas in the nineteenth century, however, increased the demand for treatment facilities for venereal disease and resulted in the opening of lock hospitals in