Considerations submitted in defence of the orders in council for the melioration of slavery in Trinidad [electronic resource] : and upon the probable effect of sudden emancipation on agricultural industry, and British capital in the West Indies / in a series of letters which appeared in the Star newspaper under the signature of Vindex ; to which is annexed the thirteenth article in the sixtieth number of the Quarterly review, and the observations thereon in a series of letters which appeared in the New times newspaper under the signature of Anglus [i.e., Zachary Macauley].