HE title of this lecture will, I am afraid, have suggested

Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved
Copyright © The British Academy 1971 – all rights reserved