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I transmit to the Senate for consideration, with a view to its ratification, an Additional Article to the treaty between the United States and Great Britain, of the 7th. of April, 1862, for the suppression of the African slave trade, which was concluded and signed at Washington on the 17th. instant by the Secretary of State and Her Britannic Majesty's Minister accredited to this Government. ABRAHAM LINCOLN
Washington, 18th. Feby. 1863.
Annotation
[1] DS, DNA RG 46, Senate 37B B7. On February 27 the Senate unanimously agreed to the additional article, and ratifications were exchanged by Great Britain and the United States on April 1, 1863. The article added the coasts of Madagascar, Puerto Rico, and San Domingo to those of Africa and Cuba stipulated in the treaty as the areas to be patrolled.