Minor errors in punctuation have been corrected. Page 25: “infinitesmal fragment” changed to “infinitesimal fragment” Page 82: “duties and opportunites” changed to “duties and opportunities” Page 98: “Interborough Associatiod” changed to “Interborough Association” Page 105: “analagous work” changed to “analogous work” Page 136: “hospital dietetician” changed to “hospital dietitian” Page 139: “dieteticians in hospitals” changed to “dietitians in hospitals” Page 193: “trade union legue” changed to “trade union league”