"—They write here one Cornelius—Son Hath made the Hollanders an invisible eel To swim the haven at Dunkirk, and sink all The shipping there. —But how is't done? —I'll show you, sir. It is automa, runs under water With a snug nose, and has a nimble tail Made like an auger, with which tail she wriggles Betwixt the costs of a ship and sinks it straight."