154 CHAPTER IX. and to ascertain the extent to which it is due to deficiencies in rating and routeing methods or to inefficiency on the part of the staff. In any event, careful analysis of the numbers and amounts of debits charged against individual stations and employees should be made, with.a view to the adoption of other methods of disciplinary action. We agree that the total abolition of debits is not feasible, but, pending further detailed enquiry, we suggest a system of maximum amounts bearing some relation to pay, with definite periods for recovery.