PORT ORGANIZATION I A Controller, Accountant or Treasurer for financial affairs ; A Traffic Manager or a Commercial Manager for business negotiations ; A Harbour Master to supervise the reception and manceuvring of shipping ; A Docks Manager, or Superintendent, in charge of the docks or berths; and A Solicitor to deal with legal questions. The executive functions of the Authority will be divided among these various officers, and they, in their turn, will have assistants upon whom will devolve the control of minor affairs. To assist the Chief Engineer, or perhaps independent of him, there will be a Mechanical Engineer, an Electrical Engineer, and, possibly, a Marine Engineer, attending to matters which are designated by their titles. The Commercial Manager will be aided by a staff of Canvassers. The Harbour Master will have subordinate Dockmasters, and the Docks Manager a local Superintendent at each dock, and so on. It would be impracticable to follow such an organization throughout its different official grades, and we must content ourselves in this chapter with allusion to a few of the more important departments specially associated with the port administration from the economic point of view. 1. The Collection of Rates, Dues and Charges is one of the most important functions of a port authority, since it is dependent on these imposts for its income and existence. As explained in Chapter VI, various rates are levied on incoming and outgoing ships and goods in order to meet the expenses of upkeep, maintenance, administration and development of a port. The collection of these rates is entrusted to a staff of collectors, who are empowered by statutory provision to enter any vessel on arrival at a port, in order to ascertain the rates payable, although this step is rendered unnecessary, in ordinary routine, by the statement presented and certified by the master or the owners, giving full particulars and showing the I0