Thanks to the new passage, they are able to hide among the rocks without having recourse to the submarine tunnel to get there, and day and night a dozen sentries are posted about the island.

The moment a ship appears in sight the fact is at once made known inside the cavern.
Nothing occurs for some days, and the latter succeed each other with dreadful monotony.

The pirates, however, feel that Back Cup no longer enjoys its former security.

Every moment an alarm from the sentries posted outside is expected.

The situation is no longer the same since the advent of the _Sword_.