vi Preface 



The informality and intimacy of these meetings have per- 

 mitted discussion of current and incomplete research and 

 stimulated lively speculation and argument. They have also 

 been the occasion for reference to much published and unpub- 

 lished work throughout the world. The proceedings are issued 

 in full, with only the minimum of editing, in order to pass on to 

 a far wider audience the benefits of these meetings. It is hoped 

 that readers will not only gain information and inspiration 

 from this report, but will also feel that they share in these 

 frank and friendly discussions. 



