Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Subsequent to the formation of the raised beaches the sea-level must have fallen considerably, probably at least 120 feet, as supposed by Prestwich. It was during this period of emergence that the cave was inhabited by man. Still later the sea again rose and - possibly after some slight oscillations rested at its present limits.