The Mary Cahoun is the smart brig that rescues Mr Duck from the island if Trinidade where he has been shipwrecked. The captain calls himself Jonas Fielder, but his real name is Robert Charles Bowline. Peter Duck says that the captain and mate had come up from round the Horn in some other ship .... the old packet .... and the captain and the mate of that other ship had died something sudden, and its come to me since that this precious pair I was with had taken their papers and their names at the same time. This article is a . You can help My English Wiki by giving it some cream puffs.