They have discovered the hiding place of Billy Bones, the mate of Flint's ship, the "Walrus," and they send Black Dog, one of the crew, to tip Billy Bones to the "black spot" at the Admiral Ben ...

Black Dog tells Jim he has come to see his old ship-mate Billyand talk square. But they’re not friends, it seems… Black Dog: You’re a dead man walking! Billy Bones: And you’re a scurvy dog!