An Act to alter and amend an Act of this Island, published the Twenty-third Day of August, in the Year One thousand Seven hundred and Seventy-three, intituled, “An Act for the suppressing of Runaway Slaves, and for the better Government of Slaves, and for preventing Slaves from being fraudulently carried off this Island; and for enabling the Commander in Chief, or President of the Council (for the Time being) to send out Detachments of Free Mulattoes, Free Negroes, and other Free Persons, being Male Descendants of Negroes, in Pursuit of Runaway Slaves;” and to ascertain what Share of the Rewards given by a late Act such Detachments shall be entitled to.