Indeed, all the defences of this part of the island were devised as safeguards against a possible _emeute_ of the slaves, and also to provide a second line of fortifications should the Nest itself chance to be taken by an enemy.
Beyond the slave camp, lay the garden that could only be approached through it.

This also was fortified by water and earthworks, but not so strongly.
Such is a brief description of what was in those days the strongest slave-hold in Africa..