and, as a result of recent experience, he ventured to put forward for acceptance by the Committee certain principles and he would be glad of criticism and suggestions as he went through each point. (i) All information bearing on the subject selected should first be extracted from the card index and collated under suitable headings or in tables by the members producing the draft report. This information should then be considered and a list of the aspects of the matter under consideration which could be reported upon from the information available should then be prepared.