COMPULSORY PILOTAGE 593 Mortgage of Ship.—A deed by which a ship is mortgaged or pledged as security for money advanced. Only the owner can mortgage a vessel Pilot.—Legally the master is responsible to some extent for the safe navigation of a ship when a pilot is on board, even if pilotage is compulsory. The master may depose him if he proves incapable, either from illness, drunkenness or any other cause. The master is also responsible for seeing that the pilot's instructions or orders are duly carried out. The master is bound, if requested, to declare his vessel's draught of water to the pilot. Penalty for refusal—a sum not exceeding double the pilotage rates. Penalty for fraudulently altering the marks denoting the draft— a fine not exceeding £100. If a master knowingly continues to employ an unqualified pilot after a qualified pilot has offered his services, he is liable to a fine of double the pilotage. The same fine is payable if a master continues to navigate his own vessel in a compulsory district after a qualified pilot has offered his services ; that is, of course, if the master is not exempt from pilotage, owing to his having obtained a pilotage certificate. An owner or master shall not b© answerable to any person for damage or loss occasioned by the fault or incapacity of any qualified pilot acting within a compulsory pilotage district, providing there is no contributory fault on the part of the master or crew. The pilot, however, is only liable up to the amount of his bond, that is, £100, and the fee then being earned. Portage Bill.—A bill, showing the wages earned, and the amounts due to each member of the crew at the end of the voyage. Primage.—A percentage beyond the freight paid by the charterer, Promissory Note.—A note promising unconditionally to pay a certain fixed sum to a specified person at a determinable time. Protest.—When the ship arrives at her port of destination, or if she is obliged from any accident to put into an intermediate port, the master should appear before a public notary, or the Consul if