be owned by a British subject, and be navigated by a crew whereof three-fourths were British subjects; the definition foreign ship being purposely omitted, in order that any ship acknowledged by the law of a particular country to be a ship of such country should be also recognised as a ship of that country by British law.
With this view, Lord Palmerston desired the diplomatic agents to inform him what restrictions were actually in force against British vessels at such countries where they were resident, what voyages they might engage in (with the goods they might carry), and what differential duties or charges, direct or indirect, they were liable to, from which the national vessels were exempt, and, above all, whether any further restrictions or differential duties were then contemplated.
In this circular Lord Palmerston disclosed the intended policy of the British Government, in that, while not attempting to make the alteration in its law strictly dependent on the legislation of other countries, it was yet prepared to consider the general policy of each State. His agents were, therefore, instructed to ascertain whether the Governments to which they were accredited would accept advances on the part of Great Britain, with the object of placing their ships on a footing of equality; the only reservation being the coasting trade; or whether they would require any particular privileges or exemptions for their national vessels, thereby rendering "it impossible for this country to concede to their shipping the whole of the advantages which would, under the contemplated measure, attach to the ship-
