An Act for the Appropriation of certain Proceeds arising from the Capture of Vessels and Cargoes, the Property of the Subjects of the Kings of Spain, Portugal and the Netherlands, taken and seized in Violation of the Conventions made with those States, and for granting Bounties upon Slaves captured in such Vessels; and also for granting Indemnity to the Captors of certain Vessels taken in the Prosecution of the Slave Trade.