In 1817, with Portugal, by Convention signed at London 28th July (prohibiting universally the carrying on of the slave trade by Portuguese vessels bound for any port not in the dominions of his Most Faithful Majesty ; and restricting it in other circumstances); with Portugal, by Separate Article, signed at London 11th September (referring to arrangements to be adopted "as soon as the total abolition of the slave-trade, for the subjects of the crown of Portugal, shall have taken place"); with Spain, by Treaty signed at Madrid 23rd September (by which his Catholic Majesty engages that the slave trade shall be abolished throughout the entire dominions of Spain on the 30th of May, 1820, and that in the mean time it shall not be lawful for any of the subjects of the crown of Spain to purchase slaves, or to carry on the slave-trade, on any part of the coast of Africa to the north of the equator, or in vessels bound for any port not in the dominions of his Catholic Majesty; and by which the restrictions under which the trade may be carried on in other circumstances are specified); and with Badama, king of Madagascar and its dependencies, by Treaty signed at Tamatave 23rd October.
In 1818, with the Netherlands, by Treaty signed at the Hague 4th May (specifying restrictions under which the reciprocal of visitation and search is to be exercised).
In 1820, with Madagascar, by Addi tional Articles signed at Tananarivoux 11th October.
In 1892, with Imaum of Muscat, by Treaty signed at Muscat loth Septem ber; voth Netherlands, by Explanatory and Additional Articles, signed at Brus sels 3tst December; and with Spain, by Er planatory Article signed at Madrid 10th December.
Ir 1823, with Netherlands, by Addi tioral Article signed at Brussels 25th Jarlary ; with Portugal, by Additional Articles signed at Lisbon 15th March and with Made/rawer, by Additional Ar signed at Tamatave 31st May.
1n 1824, with Sweden, by Treaty e4 Stockholm, 6th November (arranging reciprocal right of visitation by the ships of war of the two countries) In 1826, with Brazil, by Treaty of Rio de Janeiro. 23rd November (renew ing, on the separation of that empire from Portugal, the stipulations of the treaties subsisting with the latter power).
In 1831, with France, by Convention of Paris, 30th November (stipulating mu tual right of search, within certain seas, by a number of ships of war to be fixed every year for each nation by special agreement).
In 1833, with France, by Supplemen tary Convention of Paris, 22nd March (further regulating the right of visitation by duly authorized cruisers).
In 1834, with Denmark, by Treaty of Copenhagen, 2Gth July (containing the accession of his Danish Majesty to the Conventions between Great Britain and France of 1831 and 1833); with Sar dinia, by Treaty of Turin, 8th August (containing accession of that power to same conventions); and with Sardinia, by Additional Article, signed at Turin, 8th December (respecting place of land ing of negroes found in vessels with Sar dinian flag).
In 1835, with Spain, by Treaty of Madrid, 28th June (abolishing slave trade on part of Spain henceforward, totally and finally, in all parts of the world; and regulating a reciprocal right of search); and with Sweden, by Addi tional Article to Treaty of 1824, signed at Stockholm 15tH June.
In 1887, with Tuscany, by Convention sifned at Florence 24th November, con taining accession of the Grand Duke of Tuscany to French Conventions of 1831 and 1833 ; with Hanse Towns, by Con vention signed at Hamburg 9th June (to same effect) ; and with Netherlands, Article to Treaty of 1818, at the Hague 7th February. 1838, with Kingdom of the Two Seines, by Convention signed at Naples 14th February (containing accession of his Sicilia% Majesty to French Conven tions of 1831 and 1833).
In 1889, with Republic of Venezuela, by Treaty signed at Caracas 15th March (abolishing for ever the traffic in slaves, so far as it consists in the conveyance tt. negroes from Africa; expressing the de termination of Venezuela to preserve in force the provisions of a law passed in February, 1825, declaring Venezuelans found engaged in that trade to be pirates and punishable with death, and regulat ing a mutual right of visitation); frith Chile, by Treaty signed at Santiago 19th January ; with Uruguay, by Treaty signed at Montevideo 13th July; with Argentine Confederation, by Treaty signed at Buenos Ayres 24th May ; and with Hayti, by Convention signed at Port-au-Prince 23rd December.
In 1840, with Bolivia, by Treaty signed at Sucre 25th September; and with Texas, by Treaty signed at London 16th November.
In 1841, with France, by Treaty signed at Paris 20th December, which however the Frenchgovernment afterwards re fused to ratify ; with Mexico, by Treaty signed at Mexico 24th February ; and with Austria, Prussia, and Russia, by Treaty signed at London 20th December.
In 1842, with the United States of North America, by Treaty signed at Washington 9th August (stipulating that each party shall maintain on the coast of Africa a naval force, carrying in all not less than eighty guns, "to enforce separately and respectively, the laws, rights, and obligations of each of the two countries for the suppression of the slave trade • the said squadrons to be indepen dent Of each other," but "to act in con cert and co-operation, upon mutual con sultation, as exigencies may arise ") ; with the Argentine Republic; and with the Republic of Hayti.