Slave trade. Return of vessels captured for being engaged in and equipped for the slave trade, showing the date and place of the capture; the court of adjudication; whether condemned or restored; the number of slaves captured, and the number emancipated; the names of the capturing ship and its commanding officer; the number of the crew of the capturing ship and the amount of bounty awarded, distinguishing slave and tonnage bounties; from 1st January 1870 to the date of the last reports received from commissioners of mixed commissioners' courts, or from naval officers [electronic resource].