An Act for raising a tax of fifteen shillings per poll on all Negro and other Slaves, and six pounds per centum on the yearly value of all houses, warehouses, stores, shops, and tenements within the several towns of this Island, to be applied for and towards the purchase of a certain number of Negroes and other Slaves for the use of the public of this Island, and for directing and appointing in what manner such Negro and other Slaves shall be employed.